HP 1055CMHP manual

Service Manual DesignJet 1050C/1055CM HP Large-Form at Printers[...]

T echnic al Ma rketi ng, Barce lo na Divi s ion, Hewlet t-P a ckard Espa nol a, S.A. A vda. Gra el ls, 501 08190 Sant Cu gat de l V all es Spain For HP I nt ern al Us e O nl y ©Copyri ght Hewlett-Packard Co m pa n y 199 9 Thi s doc umen t con t ains prop rietary in form atio n th at is pr ote c te d b y c o py rig h t. Al l ri ghts are re served. [...]

1 Servic e Manual DesignJet 1050C/1055CM HP Large-Form at Printers[...]

2 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Using th is Manual Purpose This Service Ma nual contains inf ormation neces sary to test, calibrate and service: HP DesignJet 1050C Pr inter (Model C6074A) HP DesignJet 1055CM P rinter (Model C6075A) For information about using these printers, r e fer to the corresponding User and Quick R[...]

Table o f Co ntents 3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T able of Contents 1 Tr ou bl e sho otin g 1 -1 Introduction 1-2 T roubleshooting System E rror Codes 1-2 Performing a S e rvice T est on a Failed Assembly 1- 3 Performing the Neces sar y Service Calibr ations 1-3 Solving I ma ge Quality P roblems 1-3 Fr o n t- P an el[...]

Tabl e of Cont ents 4 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Sys tem Err or Co de s 2-1 Introduction 2-2 Continuable and Non-Continuable Error Codes 2-2 System E r ror Codes During Ini tializa tion 2-18 HP N o.80 I nk Supplies Tr oubleshooting 3-1 What are HP No.80 Supplies ? 3-2 Ink Ca rtridges 3-2 Printheads and Printhead Clea[...]

Table o f Co ntents 5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Service Tests and Utiliti e s 4-1 Service T ests (Diagnostics) 4-3 Entering the Service T e sts Menu 4-4 1. Electronic S ystems 4-5 2. EIO Card 4- 10 3. Hard Dis k Drive 4- 12 4. I nk Pressure S ystem 4-14 5. Scan Axis 4-17 6. Paper Axis 4-20 7. Dr op Detector 4-22 Ser[...]

Tabl e of Cont ents 6 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Print Qua lity 6-1 Print Quality T r oubles hooting Checklist 6-2 Print Modes 6-3 How to Us e the P rint Quality T est 6-4 What i s the Pr int Quality T est? 6-4 Considerations for Printing the Print Quality T est. 6-4 Printing the Print Quality T est 6-4 Nozzle Print [...]

Table o f Co ntents 7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Parts an d Dia grams 7 -1 Printer Support 7-2 Rear Covers 7-4 Electronics M odule 7-6 Right Hand Cover 7-8 Left Hand Cover and W indow 7-10 Right Hand As semblies 7-12 ISS and APS Assembly 7-14 Clutch Assembl y 7-16 Carri a ge Assembly 7-18 Scan-Axis Assemblies 7-20 Dr[...]

Tabl e of Cont ents 8 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l Electronics M odule 8-25 Media Sens or 8-29 W indow 8-30 T op Cover 8- 31 Back Cover 8-32 Scan- axi s Moto r As semb ly 8 -33 Encoder S trip 8- 34 T ensioner 8-37 T railing Cable 8-39 Cutter Assembly 8-42 Carri a ge Assembly and Belt 8-44 T ubes System Assembly 8- 53 I[...]

Table o f Co ntents 9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Fu nc ti on al Ov erv ie w 10 -1 Introduction 10-2 HP DesignJet 1050C Printer 10-2 HP DesignJet 1055C M pri nter 10-2 Electri cal S yst em 10-2 Power Supply Unit (PSU) 10-3 Soft P owe r-Of f Switch 10-4 Front P a nel 10-4 Ink Delivery System (I DS) 10-5 Ink Supply Stat[...]

Tabl e of Cont ents 10 HP DesignJet s 1050C and 1055CM Pr inters Servi ce Manua l[...]

1-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T r oub leshooting 1 Intr oduc tion 1-2 T roubleshoot ing Sys tem Err or Codes 1-2 Performi ng a Servi ce T est on a Fai led Assemb ly 1-3 Performi ng the Nec essary S ervice Ca lib rations 1-3 Sol vin g Im age Qual ity Pr obl em s 1-3 Front-P anel LEDs F lash Bri e fly at P ow er ON &a[...]

Troubleshooting 1-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Guide to T ro ubleshooti ng the Printer Int roduction This chapter will guide you through the relevant s teps to take when troubleshooting the printer . T roubleshooting Sy stem Error Codes Chapter 2 - System E rr or Codes contains a list of system error codes and their [...]

Troubleshooting 1-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Performing a Servi ce T est on a F ai led As sembly If possible, always perform a Service T est on the component/ asse mbly that you are about to replace, just to ma ke s ure that is the component/assembly that has failed. NOT E I f the test on that component/assembly pa[...]

Troubleshooting 1-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Front-Panel LEDs F lash Briefly at Power O N & Nothi ng Else Happen s The Power Supply detects a Short and shuts down the Power . 1 The H ard Disk Drive or the Networ k Card could be faulty . T roubleshoot the problem as follows: a If the Printer has a Har d D isk Dr[...]

Troubleshooting 1-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual The Pri nte r do es no t Power ON 1 Check tha t the pow er cor d is connec ted cor rectly to the Printer and to the Power Socket. 2 Check that the Firmware DIM M is installed corr ectly in the correct slot (the first s l ot from t he right) at the back of the Printer . 3[...]

Troubleshooting 1-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Th e Print er Contin uou sl y Rejects Print head s 1 Clean the f lex contacts on the Pr inthead a nd in the Carriage Assembly using the Carriage Interconnec t W iper (Refer to Chapter 3) a nd try again. 2 If AL L the Printheads are rejected ( the status message on the Fr[...]

Troubleshooting 1-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Troubleshoot ing Med ia Jams/P rint head Cras h es NOT E I f using HP Coated Me dia when problem occurred, please also refer t o Page 1- 10, Printhead Crashes/S mears on High Density Prints Us ing Coated Me dia. The failur e modes " media jam" and "head cr[...]

Troubleshooting 1-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l problem a s explained as follows. W ARNING I n eac h case, make sure that yo u powe r OF F the printe r befor e attempting any pr oce dures t o r esolve the pr oblem . Printhead Clean er Path 1 Open the right door of the printer and check for any visible obstacles restri[...]

Troubleshooting 1-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Probl ems wi th th e V acu u m F a n If you have problems loading either Roll or Sheet Media, then there could be a problem with t he V acuum Fan. T o verify if there really is a pr oblem with the V a cuum Fan, try the following: 1 W ith the Print er ON, open th e W indo[...]

Troubleshooting 1-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pri n thea d Cra s he s/Sm ears on Hi g h D e ns ity Pr i nt s Usin g C oated Medi a High density pr ints can cause cockle mainly on HP Coated Media. This causes two main problems : 1. Cockling in the borders - Becaus e the printer places too much ink on the Coated Medi[...]

Troubleshooting 1-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual HP-GL/2 color d iffer ences in d ifferent HP DesignJet Printers Color dif ferences between one image printed on the HP Des ignJet 1000 Series and the rest of the DesignJet pl atforms are due to the different chemistry of the 1000 series inks compared with the rest of th[...]

Troubleshooting 1-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Banding at variab le extre me environmental conditions Since the Accuracy Calibration has been done at normal environmental c onditions, printing in extreme envir onmental conditions will ca use banding bec ause the a dvance of the Drive Roller does not cor r espond to [...]

Troubleshooting 1-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Lower image gloss directly after printin g on HP High Glos s Phot o Paper Lower gloss appearance of t he print when the media is drying which gradually disappears to get the final gloss level (between 10 and 60 minutes depending on the ink density). Try the following: W[...]

Troubleshooting 1-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Solvin g Media- Han dlin g Problems The Front Panel Keeps Ind i cating that Media Is Misaligned or Incorrectly Positioned Roll m ed ia The roll may be loaded t he wrong way . The paper should load over the roll toward you. The paper may be loade d at an a ngle. The righ[...]

Troubleshooting 1-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual How t o Naviga te t hrough th e F ront-Panel Menu Width, Length Queuing Managem en t Nest Qu e u e O. K. Off On , Of f In or der , O pt im al Copie s Move t o t op, S tati stics 99 . .. 2 , 1 mi n Del ete page 99 ... 1, 0 Qu euing & N esting Statistic s Oversize On,[...]

Troubleshooting 1-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Wi d t h Pale tte Mer gi ng Defi ne pal ett e So ft w are , F ac tory , Fact ory Of f , On Pen Num be r 0 . .. 15 Col o r HP-G L/2 Setting s P a le tte A , P ale tt e B Palette A , Palette B Pen Num ber 0 . . . 15 255 . . . 1, 0 0.13 mm - 12. 0 mm Ink E mula tion Off, O[...]

Troubleshooting 1-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Normal, Special Cutter Drying tim e Lan g HP-GL/2, On , Off PostScr ipt, Te r m i n at o r Device Setup Manual 7586, H P-GL / 2 255 ... 2, 1 mi n CAL S/ G4 Automatic Automatic , None @ Page Ac cu racy Optimized Maximum Network ID Ne tw or k Car d DNS Name, Advanced Conf[...]

Troubleshooting 1-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Dis play cont r ast S tatistic s Pos t Scr ipt Co de Re v , Off, On Utilities Palett e, Menu , RAM pres ent, Hard disk , C ode R ev Samp les Accuracy HP-G L /2 Config , Printhead a lignment Palett e, Menu , Samp les Reco ver printh eads, Off, On T est prin ts Me n u mo [...]

Troubleshooting 1-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ser vic e C o nfi gu rat ion Pr in t The Service Configuration Pr int is a us eful tool f or troubleshooting the Printer . The Ser vice Configuration Print contains the following information about the Printer: Gener al Configuration Printhead Info. C a r t ri d g e In f[...]

Troubleshooting 1-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 5 Use the Arrow keys to scroll to "Ser vice Config." and press the En ter key to pri nt the Service Configuration P rint. How to Use the Service Confi gur ation Print The Service Configuration Print is divided into 7 differ ent areas where you can f ind inform[...]

Troubleshooting 1-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Sample of the Ser vice Configu r ation Print[...]

Troubleshooting 1-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l[...]

2-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Err o r Cod es 2 2 System Err o r Cod es 1 System E rro r Code s 2-2 0000D8 X XXXXXXX (Non-Cont inuabl e ) 2-3 01002D ( N on-Conti nua ble) 2-3 010020 (N on-Continu able) 2- 3 010021 (N on-Continu able) 2- 4 010023 (N on-Continu able) 2- 4 010040 2- 5 010041 2- 5 010042 2- 6 0100[...]

System Error Codes 2-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error Cod es Int roduction System error codes are hexa-de cimal based numbers generally caused by internal s ystem errors. The f ollowing page s contain a list of sy stem er ror codes and their res pective de scriptions and recommended corrective actions. Only [...]

System Error C odes 2-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0000D8 XXXXXXXX ( Non -Conti nuable) Pr ob lem Descri p tion: Ext e rn a l Lib r ary Err or . Correcti v e Acti o n : Refer to System Error C ode 070100. System Error : 01002D ( N on-Cont inuable) Pr ob lem Descri p tion: The Main PC A cannot communica[...]

System Error Codes 2-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 010021 ( Non-Cont inuabl e) Pr ob lem Descri p tion: Memory DRAM DI MM T e st failure. Correcti v e Acti o n : T r y the following: Switch the Power OF F from the back of the Printer and dis connect the P ower cor d. Reseat the DRAM DIMM s ( Memory Modu[...]

System Error C odes 2-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 010040 Pr ob lem Descri p tion: Error in Paper -axis Encoder quadr ature. Correcti v e Acti o n : T r y the following: Check that the Paper-Axis Motor cable is NOT br oken or damaged. Check that the Paper-Axis Motor cable is corr ectly connected. Repla[...]

System Error Codes 2-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 010042 Pr ob lem Descri p tion: Error in Service Station-axis Encoder qua drature. Correcti v e Acti o n : T r y the following: Check that the Service Station Encoder-Cable is NOT broken or damaged. Check that the Service Station Encoder-Cable is correc[...]

System Error C odes 2-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 01009X ( C o nt i n ua b l e) Pr ob lem Descri p tion: Er ror in Paper -axis Motor Encoder Correcti v e Acti o n : T r y the following: Check that the Paper-Axis Motor cable is NOT br oken or damaged. Check that the Paper-Axis Motor cable is corr ectly[...]

System Error Codes 2-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 04Cxxx Pr ob lem Descri p tion: EI O Ac cesso rie s (E IO C ard/H ard D isk Driv e) Error . Correcti v e Acti o n : T r y the following: Press ENTER and switch the printer OFF . Remove the Hard Disk Drive (if installed) and make sure that the E IO card [...]

System Error C odes 2-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 060301 Pr ob lem Descri p tion: One of the Printheads has an Internal Electric al Proble m. Correcti v e Acti o n : T r y the following: Remove all the P rintheads and clean the f lex contacts on the Printheads and i n the Carria ge Assembly (Refer to [...]

System Error Codes 2-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 060309 Pr ob lem Descri p tion: Problem with setting the V oltage of the Printhead s. Correcti v e Acti o n : T r y the following: Remove ALL the Printheads and clean the fl ex contacts on the Printheads and i n the Carria ge Assembly (Refer to Chapter[...]

System Error C odes 2-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 06030B Pr ob lem Descri p tion: The Ambient T emperature meas ured is out of the normal r ange. Correcti v e Acti o n : T r y the following: Make sure that the Ambient temperature is within the allowed range (between 0 and 55 Degrees Centigrade). Repl[...]

System Error Codes 2-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 080001 ( Non-Cont inuabl e) Pr ob lem Descri p tion: Pos tSc ript Er ror . Correcti v e Acti o n : Refer to System Error C ode 070100. System Error : 09xxxx ( Non-Cont inuabl e) Pr ob lem Descri p tion: EI O Ac cesso rie s (E IO C ard/H ard D isk Driv [...]

System Error C odes 2-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0A0000 Pr ob lem Descri p tion: The Air Pressure is below the minimum requirement. Correcti v e Acti o n : T r y the following: Check a ll the cables of the APS and make sur e they are corre ctly connected and are NOT damaged. Check all the tubes of t[...]

System Error Codes 2-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0A0020 Pr ob lem Descri p tion: Error in Calibratin g the APS S e nsor . Correcti v e Acti o n : T r y the following: Check a ll the cables of the APS and make sur e they are corre ctly connected and are NOT damaged. Check all the tubes of the APS a nd[...]

System Error C odes 2-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0A0050 (Non-Cont inuable) Pr ob lem Descri p tion: The Printer ha s detect ed a leak in the T ubes System before the life of th e S ystem . Correcti v e Acti o n : T r y the following: The leak de tector could ha ve bee n triggered due to condens atio[...]

System Error Codes 2-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0A0070 (Continuable) Pr ob lem Descri p tion: The Backup EEROM contents stored in the T ube s System ar e not consistent with the ones re quired by the firmware. Correcti v e Acti o n : T r y the following: Perform the Calibrations Backup ⇒ Page 5-19[...]

System Error C odes 2-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0C0032 ( Continuable) Pr ob lem Descri p tion: Drop Detector not Calibr ated for all Printheads . Correcti v e Acti o n : T r y the following: Perfor m the Service St ation Calibra tion ⇒ Page 5- 1 1 . Replace the Drop Detector Assembly ⇒ Page 8-1[...]

System Error Codes 2-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Sys tem Error Codes During Initi alizat ion The following Sys tem Error Codes will onl y appea r during the Initialization proces s when you power ON the Printer . System Error : 0B0000 Pr ob lem Descri p tion: Bad Ambient T emperature measured. Correcti v e Acti o n[...]

System Error C odes 2-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0B0003 Pr ob lem Descri p tion: ADC0 Inter nal cha nnels check Failure. Correcti v e Acti o n : Replace the Electronics Module ⇒ Page 8-25 . System Error : 0B0004 Pr ob lem Descri p tion: Unable to detect Pump. Correcti v e Acti o n : T r y the foll[...]

System Error Codes 2-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0B0006 Pr ob lem Descri p tion: The T r ailing Cable ha s been incor rectly conne cted OR the fuse in the Elec tronics M odule has bee n burned. Correcti v e Acti o n : T urn the Printer OFF and disconnect the trailing cable. Check that the ends of the[...]

System Error C odes 2-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual System Error : 0B0009 Pr ob lem Descri p tion: Unable to detect Ae rosol Fan (I ncluded on the Right Cover). Correcti v e Acti o n : T r y the following: Make sure that the Aer os o l Fan is connected cor r ectly to the Electr onics Module. T urn the Print er OF F a[...]

System Error Codes 2-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l System Error : 0B000B Pr ob lem Descri p tion: Pump or Pressure Sens or not working. Correcti v e Acti o n : T r y the following: Check that the cable from the Ink Supply S tation (ISS) PC A to the I nk Supply Station is correctly c onnected. Check that the Air Press[...]

3-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual HP N o.80 Ink Supplie s T r oub leshooting 3 W hat are H P No .80 S upplies? 3- 2 Ink Car tri dges 3-2 Printhe a ds and Pr i nthead Clea ners 3- 2 Identi fying the Comp one nts 3 -3 General I nformation A bout HP No. 80 Suppl ies 3-4 Som e Ge n eral P recauti ons W hen Ha n dl in g HP N[...]

HP No.80 Ink Supplies Troubleshooting 3-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l W hat are HP No. 80 Supp lies ? For each of the four ink colors used in the pr inter, there are thr ee separate c omponents. T he printhead a nd the printhead cleane r are supplied together , and the ink car tridge is supplied separately . All of th[...]

HP No.80 I nk Supplies T r oubleshooting 3-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual The H P No.80 printhead clea ners ke ep the printheads in good condition and they pr e vent them from being damaged when the printer is not active. They service the printhead, making sure it’ s always ready to be used. Identifying t he Comp one[...]

HP No.80 Ink Supplies Troubleshooting 3-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ge neral Inform ati on Abou t HP No.80 Su pp lies For opt imu m re sults fr om the printer an d modular ink deliv ery system alwa ys fol low thes e guidelin es wh en handling t he HP No.80 supplies: Always install the ink cartridges , printheads and[...]

HP No.80 I nk Supplies T r oubleshooting 3-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Some Ge n eral Precauti ons Whe n Handl ing HP No.8 0 Supp li es CAUT ION Do no t to uc h, wip e o r at t emp t to cle a n th e pr in th ea d no zz le s. Thi s ca n da mage th e pr int h ead . Handle the HP No. 80 supplies with c are. In particul[...]

HP No.80 Ink Supplies Troubleshooting 3-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pr iming th e Ink S ys tem When the customer firs t r eceives the pr inter , it i s supplied with a s et of four setup printheads pre-installed in the printhead carriage. These s etup printheads are us ed for the priming of the tubes in the modular [...]

HP No.80 I nk Supplies T r oubleshooting 3-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual The Fr ont Panel Disp lay The front panel dis play has a dedicated area to report the status of your HP No. 80 supplies. There are two di fferent screens: One s creen dis plays information on the ink cartridges : The other screen displays infor m[...]

HP No.80 Ink Supplies Troubleshooting 3-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Obtaining I nk Cartridge Information 1 T o get information on the ink cartridges press the To p key on the front panel to go to the ma in menu. 2 Pr ess t he ↑ or ↓ key until the front panel dis plays the ink system menu. P ress Ente r . 3 Pr es[...]

HP No.80 I nk Supplies T r oubleshooting 3-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 The fr ont panel displays information on the selected ink cartridge. The information s upplied is: The make of the ink c artridge (HP No.80 are recommended). The percentage of how much ink is remaining. Original capa city of the ink cartridge i[...]

HP No.80 Ink Supplies Troubleshooting 3-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 Pr ess t he ↑ or ↓ key until the front panel highlights “Printhead info”. Press the E nt er key . 4 Pr ess t he ↑ or ↓ key until the front panel highlights the color tha t you want to s ee information on. P r es s the Enter key . 5 Th[...]

HP No.80 I nk Supplies T r oubleshooting 3-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ink Cartridge S tatus Messages St a t u s B a r s The fr ont panel displays four horizontal bar s. These bars represent how much ink is remaining in the ink cartr idges: as i nk is used up the bars get shorter in length. T o see how much ink you[...]

HP No.80 Ink Supplies Troubleshooting 3-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ink Ca rtridg e S tat us W hile Re pl acing The printer can report the following status messages while the Ink Cartridge is being replaced: Fa u lty The ink cartridge is fa ulty and must be replaced, before you can continue printing. Res eat T he i[...]

HP No.80 I nk Supplies T r oubleshooting 3-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Print head S tat us Messages W hile Printi ng Detailed below ar e the printhead status mes sages that may be displayed while printing. OK The printhead is oper ating correctly and will pr ovide an acceptable level of print quality . T o find mor[...]

HP No.80 Ink Supplies Troubleshooting 3-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Repla c e P rin the ad The fr ont panel displays a warning, meaning that the printhead ha s quite a few nozzles operating incor r ectly . There is a r i sk that media could be wa sted. The printer will stop at the beginning of every pr int job and [...]

HP No.80 I nk Supplies T r oubleshooting 3-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Monitor When this message is dis played it means that the prin thead has reache d its lif e expectancy . T o find o ut how to see t he amount of ink c onsumed b y the pr inthead and the us a ge tim e , go to page 3- 9, Obtaining Printhead Inf or[...]

HP No.80 Ink Supplies Troubleshooting 3-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Res eat T he printhead has moved s lightly and is not making good electr ical contact with the carriage assembl y . Reseat the printhead into the correct p osition. This situation m ust be corr e cted before the print er will operate. 1 Reseat the [...]

HP No.80 I nk Supplies T r oubleshooting 3-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Sum mary of Solvin g H P No.80 Su ppl ies Problems Most of the pr oblems that you could enc ounter when working w ith the HP No. 80 s upplies are s olved with guidanc e from the front panel. A full list of front messages are s upplied in the Use[...]

HP No.80 Ink Supplies Troubleshooting 3-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ca rri age I n t e rco nne c t Wi p e r NOT E Wh en you order the Carriage Ass embly , the Carriage In terconnect Wiper wi ll com e with it . Al l th e inst ruct ions n ee ded to us e th e C arriage Interconnect Wiper will be packaged with the p ar[...]

4-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Service T ests and Util ities 4 Intr oduc tion 4-2 Diagnos ti cs - Self T est 4-2 Serv ice T ests ( Diagnos tics) 4-3 En tering the Ser vice T est s Menu 4- 4 1. El e ctronic Sy st ems 4-5 2. E IO Card 4-10 3. Har d Disk D rive 4- 12 4. Ink Pr essur e Syste m 4-14 5. Sc an Axis 4-17 6. [...]

Ser vice Tests and Utilities 4-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Intr oduction This chapter explains how to use the built- in Se rvice T ests and Service Utilitie s and what to do if any of the Servic e T ests fail. If possible, always perform a S ervice T est on the component that you are about to replace, just to make s[...]

Ser vice Tests and Utilities 4-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Servic e T ests (Diagn ostics) The following is a list of all internal Service T ests availa ble in the Printer . Instructions for entering the S e rvice T ests menu are gi ven on Page 4-4 . W ARNING T he Service T ests work in a special Mod e which does NOT[...]

Ser vice Tests and Utilities 4-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Entering the S ervice T ests Menu NOTE In ord er to ente r the S ervice Utility M enu, pleas e refer t o the instructions on Page 4- 26 . 1 Make sure the printer is switched OFF from the power switch on the front of the pr inter and NOT from the power switch[...]

Ser vice Tests and Utilities 4-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 1. Electronic Systems The purpose of this test is to verify the operation of the: Electr onics Module. DR A M . T r ailing Cable. Carriage Assembly . NOTE This tes t does not test the EI O Card or the Hard Disk D riv e. NOTE The Se rvice T es ts work in a sp[...]

Ser vice Tests and Utilities 4-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Perf orm the E lect ronic S ystem s t est as f oll ows: 1 In t he Ser vice T e sts subm enu, s cr oll t o " 1. Elect ronic S ys tems" and pres s Ent er . 2 The te st will start and the following s equence of messages will appear on the front panel:[...]

Ser vice Tests and Utilities 4-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If the test passes, then the following mes sage will appe ar on the front panel: W ARNING I F TH IS TEST P ASSES, DO NOT RE PLACE T HE ELECT RO NICS MODULE , TRA ILI NG CABLE OR T HE CAR RIAGE ASSEMBL Y . 4 If the test fa ils. E l e c t ron ic s F a i l ur[...]

Ser vice Tests and Utilities 4-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 If the T es t fails again, switch the Power OFF , disconnect the power cor d and Replace the DRAM DI MMs (Me mory Modules). Reconnec t the pow er cord and power On the Printer and perform the test again. 3 Replace the Electr onics Module ⇒ Page 8-25. W A[...]

Ser vice Tests and Utilities 4-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Carriage T est Failur e If ther e is a pr oblem with the Carriage and any r elated parts then the following message will appe ar on the fr ont panel: In th is case , try one of the following: 1 Remove the Printheads and clean t he Carriage and Printhead flex[...]

Ser vice Tests and Utilities 4-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2. EIO Card The purpos e of this test is to ver ify the operation of the EI O Card. W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE EIO CARD. IF THIS TEST P ASSES , DO NOT REP LAC E T HE E IO CARD. NOTE The Se rvice T es ts w[...]

Ser vice Tests and Utilities 4-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual W ARNING I F THIS TE ST P ASSES, DO NOT REPL ACE THE EIO CARD. If there is a problem with the EIO Card then the test will fail and the following message will appe ar on the fr ont panel: NOTE Check that th e EIO Card is actually installed be for e s t artin[...]

Ser vice Tests and Utilities 4-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. Hard Disk Drive The purpose of this test is to verify the operation of the H ard Disk Drive. W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE HARD DISK DRIVE. I F THIS TEST P ASSES, DO NOT RE PLACE T HE HARD DI SK DRIVE . N[...]

Ser vice Tests and Utilities 4-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual W ARNING I F THIS TEST P AS SES, DO NOT REPLACE THE HARD DIS K DRIVE. If there is a pr oblem with the H ard Disk Dr ive then the tes t will fail and the following message will appear on the front panel: NOTE Check that th e Hard Dis k Drive is actually inst[...]

Ser vice Tests and Utilities 4-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4. In k Pres su re S y st em The purpose of this test is to verify the operation of the: T ub e s S y stem . Air P ressuriz ation Sy st em (A P S). W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE TUBES SYS TEM OR TH E APS . I[...]

Ser vice Tests and Utilities 4-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If the test passes, then the following mes sage will appe ar on the front panel: W ARNING I F THIS TEST P ASSE S, DO NOT REP LACE THE TUB ES SYSTEM OR THE A PS. 4 If the test fa ils. T ubes S ystem F ailure If there is a problem with the Tubes System then[...]

Ser vice Tests and Utilities 4-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l appear on the front panel: In th is case , try one of the following: 1 Check all the cables of the A PS and make sur e they ar e corr e ctly connected and ar e NO T damaged. 2 Check all the tubes of the A PS and make sur e they ar e NOT pinched or damaged. [...]

Ser vice Tests and Utilities 4-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Scan Axis The purpos e of this test is to ver ify the operation of the Scan Axis Moto r . Y ou must perform the S c an-Axis T est after: Scan-Axis Assemblies are disassembled or r eplaced. Carriage is disassembled or replaced. Electr onics Module is r ep[...]

Ser vice Tests and Utilities 4-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 The te st will start and the following mes sage will a ppear on the front panel: 3 Once the te st is completed, the following message will appear on the front panel: 4 Pres s En ter and t he following mes s age will appear on the f r ont panel: T o check [...]

Ser vice Tests and Utilities 4-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual If the values obtained in the tes t are le ss than the Ma ximum values in the pr evious table, then the test has passed . If the values obtained in the tes t are greater than the M aximum values in the previous table, then the test has failed . T o r es olv[...]

Ser vice Tests and Utilities 4-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. Paper Axi s The purpose of this test is to verify the operation of the Pape r Axis Moto r . W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE P A PER AXI S MOTOR. IF TH IS TES T P ASSES, DO NOT RE PLACE T HE P AP ER AXIS MOT[...]

Ser vice Tests and Utilities 4-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 Once the te st is completed, the following message will appear on the front panel: If the values of the M ax. PWM is less than 95 and the A vg. PWM is less than 85, then the test has passed. If the values of the Max. PWM is more than 95 and the A vg. PWM [...]

Ser vice Tests and Utilities 4-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 7. Drop Detector The purpose of this test is to verify the operation of the D rop Detector . W ARNING I F PO SSIBLE AL W A Y S P ERFO RM THI S TES T BEF OR E REPL ACING THE D ROP D ETECTOR. IF T HIS TE ST P ASSES, DO NOT RE PLACE T HE D ROP DETE CT OR. NOTE[...]

Ser vice Tests and Utilities 4-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 After init ialization, the tes t will start and the following message will appear on the front panel: W ARNING I n the following step , make sure you d o not drop the piece of paper insid e the Drop Det ector . 4 When the following message appears, open t[...]

Ser vice Tests and Utilities 4-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 7 If the test passes, then the following mes sage will appe ar on the front panel: W ARNING I F THIS TES T P ASSES, DO NOT RE PLACE T HE DROP DETECTO R. If there is a problem with the Drop Detec tor then the following message will a ppear on the front panel[...]

Ser vice Tests and Utilities 4-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Service Utilities The following is a list of all internal Service Utilities availa ble in the Printer s. Instr uctions for en tering the Ser vice Utilities menu are given on Page 4-26 . 1 T ubes Purge ⇒ Page 4-28 The purpose of this Service Utility is to [...]

Ser vice Tests and Utilities 4-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l En tering t he S e rvice Utilit ie s Me n u 1 Once the message " Ready" is displayed on the f ront-panel, s croll to the "Printer Setup Options" icon and pres s the Enter key . 2 Once ins ide the "Printer Setup Options" menu, u[...]

Ser vice Tests and Utilities 4-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 Use the Arrow keys to scroll through the "Service U tilities" selections. 6 Pr ess t he Ent er key to begin a s pecific operation when the r equired Service Util ity is h ighlighted. NOTE If the p rinter is not used for 3 minute s, the print er [...]

Ser vice Tests and Utilities 4-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 1. T u bes Purge The purpose of this Service Utility is to Prime the T ubes when a new T ubes System has been i nstalled. W ARNING AL W A YS PE RFORM THE TUB ES PURGE AFTER REPL ACING TH E TUBE S SYS TEM . NOTE Make sure that there is enough ink remain ing [...]

Ser vice Tests and Utilities 4-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4 When the following m e ssage is dis played, lift the window and remove ALL the Printheads from the carriage. Ins tall the Setup Printheads into the carr iage . 5 Once all the Setup Printheads are i nstalled, the following mes sage will appear on the f ron[...]

Ser vice Tests and Utilities 4-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 8 Once the tubes system is purged, the following mes sage will be displayed. Lift the window a nd remove AL L the Setup Printheads from the carriage and install the previously removed printing Printheads into the carr iage . 9 Once all the Printheads are in[...]

Ser vice Tests and Utilities 4-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 12 The Printer will start to print the Printhead Alignment Pattern and the following message w ill be dis played on the front panel: 13 Once the Printhead Alignment is completed, the following message will be dis played on the front panel: W ARNING Since yo[...]

Ser vice Tests and Utilities 4-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2. Release Info This Service Utility provides information on the current Fir mwa re version. Ch eck the Rele ase I n fo as follo ws : 1 In the Servi c e Utilitie s s ubmenu, scrol l to "2. Re lease I nfo" and pres s Ent er . 2 The Printer will dis[...]

Ser vice Tests and Utilities 4-33 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. Se t As ian P S Fon ts The purpose of this Service Utility is to sele ct the Asian Fonts after replacing the Electronics Module. W ARNING AL W A YS S ET T HE ASI AN F ONTS AF TER REPLACI NG TH E ELE C TR ONI CS MOD UL E . NOTE If the customer is not usin[...]

Ser vice Tests and Utilities 4-34 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 The following message will be displayed on the front panel asking you to conf irm the s election. Select ACCEP T if you want to continue with your selection, or select CA NCEL if you wa nt to cancel it. Pr ess En ter once the s election ha s been made . 4[...]

Ser vice Tests and Utilities 4-35 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Prin te r Mo del T ype The purpose of this Service Utility is to set the correc t Printer Model. NOTE The Printe r Model T ype only needs t o be set when both the T ubes System and the Elect ronics Modul e have been replaced at the s ame t i me. Set the [...]

Ser vice Tests and Utilities 4-36 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4 Once the Model T ype selection has been made, the f ollowing message will be displayed on the front panel: 5 Print the S ervice C onfigurat ion Print ( ⇒ Page 1-19 ) and check if the Printer Model T ype has been set correctly . Pr ess E NT E R to con ti[...]

Ser vice Tests and Utilities 4-37 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Overd rive Cleanin g The purpose of this Service Utility is to rota te the Overdrive, Drive Roller and Roller Ma rk in order to clea n them. NOTE REMOVE T HE ME DIA BEF ORE P ERFORMING T HIS OPERA T ION. W ARNING OP EN THE WINDOW OF THE PRINTER AND ACTIV[...]

Ser vice Tests and Utilities 4-38 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. EEROM Utilities The purpose of this Service Utility is to either clear the EEROM in the Elec tronics M odule or to test it. Perfor m th e Clear/T est EEROM uti lity as f ollows: 1 In th e Se rvice Utilit ies submenu, scroll to "6 . EEROM Utili ties&[...]

Ser vice Tests and Utilities 4-39 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual b If you decided t o continue with the te st then the f ollowing message will appear on the f ront panel and you should wait until the tes t has been performed. W ARNING DO NOT POW ER OFF THE PRI NTE R WHILE TH E TEST IS BEING PERF OMRED BE CAUSE THIS COULD[...]

Ser vice Tests and Utilities 4-40 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l b If you decided t o continue with clearing the EEROM , then the following mes sage will appear on the front panel and you s hould wait until the EEROM has been clea red. W ARNING DO NOT POWER O FF THE P RINT ER WHI LE T HE EE ROM IS BEING CLEA RED BE CAUS [...]

Ser vice Tests and Utilities 4-41 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 7. Pri nthead Check This Service Utility allows you to have the Printhead che cking facility ON or OFF . W ARNING AL W A YS HA VE P RINTHEAD C HECK ON. IF P RINTHEAD CHECK IS TURNED OFF , AUTOMA TIC PRINTHE AD CLEANI NG PROCEDURES WI LL NOT WORK PROPERL Y ,[...]

Ser vice Tests and Utilities 4-42 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 8. M on. Mo de Bau d Se l. This Service Utility allows you to change the Baudrate of the Serial Port. NOTE The default B audrate for s erial communication is 14200. Change the Ba udrate as f ollows: 1 In the Service Utilities submenu, scroll to "8. Mon[...]

5-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 Service Calibrations 5 Ser vice C alib r ati ons 5 - 2 En tering the Ser vice Ca l ibrati ons Menu 5 -4 1. Accuracy Calibr a tion 5- 6 2. L ine Se nsor 5 -9 3. Se rvic e S tati on 5-1 1 4. Roll er Ma rk Posi tion 5- 13 5. Pe n to Paper Spa c ing 5-15 6. Colo r to Co lo r ca lib ra tio[...]

Ser vice Calibra tions 5-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Se rvi c e Cali brati o ns The Printer has s everal ca libration procedures that must be performed under certain conditions. Re fer to the table below to determine when calibrations are required. W ARNING RE MEMB ER THA T CER T A IN CALI BRA TIONS ARE REQUIRE D EV[...]

Service C alibrations 5-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Se rvice Cal ibrat ions The followin g is a list of al l inte rnal service calibra tions available in the Pr inters. Instructions f or enter ing the service c alibrations menu are given on Page 5-4 . 1 Accura cy Calibration ⇒ Page 5-6 The purpose of this Service [...]

Ser vice Calibra tions 5-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Entering t he S ervice Ca libration s Menu 1 Once the message " Ready" is displayed on the f ront-panel, s croll to the "Printer Setup Options" icon and pres s the Enter key . 2 Once ins ide the "Printer Setup Options" menu, use the A[...]

Service C alibrations 5-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5 Use the Arrow keys to scroll through the "Service Calibrations" selections. 6 Pr ess t he En ter key to be gin a spec ific calibration when the required Service Calibration is highlighted. NOT E I f the prin ter is not used for 3 minute s, the print er [...]

Ser vice Calibra tions 5-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 1. Accuracy Calibration The purpose of this Service Calibrat ion is to calibrate the nominal advance of the media. This calibration is necessar y to control the exact movement of the media in order to avoid print quality problems like banding. Perform the Serv ice[...]

Service C alibrations 5-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If media is no t loaded, the following m e ssage appears on the f r ont panel and you must load media into the Printer . NOT E Do NOT us e any other type of media apart f rom H P High Gloss Photo Paper . 4 The Printer will start to print the Accuracy Calibratio n[...]

Ser vice Calibra tions 5-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l following me ssage will be displaye d while the Pr inter m e asures the pattern: 8 Once the calibration is completed, the following message will be displayed: 9 T o check if the C alibration was completed corr ectly , print the Service Configuration Print ( see Pa[...]

Service C alibrations 5-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 2. Li ne Se ns or The purpose of this Service Calibrat ion is to calibrate the intensity of the line s ensor in the Ca rriage PCA. An incorr ect ca libration ca n result in edge -detection f ailures during media loading and incor rect reading of prints that are us [...]

Ser vice Calibra tions 5-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 If you selected to continue, the n the following message appe ars on the front panel if media is not loaded. Y ou must load Media in to the Printer to continue. 4 The Printer will start to print the Line Sensor Pattern and the following message will be displaye[...]

Service C alibrations 5-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. Service S t ation The purpose of this Service Calibrat ion is to calibrate the Service Station i n relation to the Carriage Assembly . Perfor m the Service S tation Calibration whe never: Carriage As sembly is disassembled or replace d. Platen Assembly is disas[...]

Ser vice Calibra tions 5-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3 If you selected to continue, the n the following message appe ars on the front panel if media is not loaded. Y ou must load Media in to the Printer to continue. 4 The Printer will start to print the calibration pattern and the following messages will be dis pla[...]

Service C alibrations 5-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Roller Mark Posi tion The purpose of this Service Calibrat ion is to calibrate the Mark Encoder which is located on the Drive Roller . Perfor m th e Rolle r Mark Position Calibra tion whe never: Carriage is disassembled or replaced. Perfor m the Roller Mark Pos[...]

Ser vice Calibra tions 5-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4 Once the roller m a rk position calibration i s completed, t he following message will be displayed on the fr ont panel: Pres s EN TER to con t in ue To p Enter Back ↑ ↓ Pr ess E nter Ro ller ma rk p o s iti o n ca lib rat ed .[...]

Service C alibrations 5-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Pen t o P aper Spacing W ARNING T HIS CAL IBRA TI ON IS NO LONGER REQUI RED AND SHOULD NEVER B E PERF ORMED.[...]

Ser vice Calibra tions 5-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. Color to Color calibration The purpose of this Service Calibrat ion is to correct the alignment between the Printhe ads and the res t of the Printe r . T his calibrati on is necessar y in order to prevent color misalignment. Perfor m the Color to Color Cali br[...]

Service C alibrations 5-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If you selected to continue, the n the following message appe ars on the front pa nel if media is not loaded. NOT E Make s u re that you load E / A 0 size HP High Gloss Photo Pap e r or HP Coated medi a. Do NOT us e an y ot her type of media apart from HP Coated[...]

Ser vice Calibra tions 5-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l the front panel: In this case, to resolve the problem, try the following: 1 If the calibration pattern is bad: T ry recovering the Printheads using the front-panel menu and try the calibration again. If the calibration pattern is bad again, then replace the Print[...]

Service C alibrations 5-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 7. Calib ration s Backup The purpose of this Service Calibrat ion is to allow the EEROM contents to be s aved when the E lectronics Module or the T ubes Syste m has been replaced. W ARNING AL W A YS P ERFORM THE C ALIB RA TIONS BACKUP AFTE R REPLAC ING T HE E LECT[...]

Ser vice Calibra tions 5-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l CANCE L i f you want t o cancel the Cali brati ons Backup. Press Enter once the sele ction ha s been ma de. c If you selected t o c ont inue, the Calibra tions Backup will s t art to updat e the cali brat io ns an d th e fol lowin g m es sag e w ill b e disp la y[...]

Service C alibrations 5-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual CANCE L i f you want t o cancel the Cali brati ons Backup. Press Enter once the sele ction ha s been ma de. cI f you s e lec ted t o c onti nue , t he Calibr at ions Backup w i l l s tar t to up date the cali brat io ns an d th e fol lowin g m es sag e w ill b e d[...]

Ser vice Calibra tions 5-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 8. Pen Alignm ent The purpose of this Service Calibrat ion is to correct the alignment between the Printheads. This calibration is necessary in order to prevent color misalignment and print quality defec ts like banding. Perform the Pr inthead Alignment Calibrati[...]

Service C alibrations 5-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3 If you selected to continue, the n the following message appe ars on the front panel if media is not loaded. Y ou must load Media in to the Printer to continue. W ARNING Do NOT use Clear Film, V ellum or Natural T racing Paper . 4 The Printer will start to print[...]

Ser vice Calibra tions 5-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Carri age H eight Ca librat ion The purpos e of this Service C alibration is to adjust the dis tance between the Carriage Asse mbly and the Ce nter Platen. This calibration is necessary in or der to prevent problems like Printhead cras hes. Perform the Carriage H[...]

Service C alibrations 5-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E Du ring the Carriage Height Calibration procedure th e Carriage Assembly has to be moved along the length of the printer for correct calibration. Make sure that the Carriage Assem bly is only ever move d by pu lling the be lt and ne ver by dir ect contact wi[...]

Ser vice Calibra tions 5-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 Remove the EMC Cover on the left han d side of the print ing a rea. 3 Open the C arri a ge Cover on t he le ft hand si de of t he pri nti ng are a.[...]

Service C alibrations 5-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4 Insert the Carri age H eight T ool into t he black ca rtr i dge slot . 5 Close the Carriag e Cover .[...]

Ser vice Calibra tions 5-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6 Loosen the two T 10 sc rews a t the bac k o f the C arria g e A ssembly . NOT E N O TE : The s crew s s h o uld no t b e remo ve d. 7 Using the belt, and begi nning to the left ha nd si de of the s tarting p osition (wher e the l eft hand e dge of the pa per is[...]

Service C alibrations 5-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 8 Lowe r t he Car r iage A ssemb ly sli ghtl y , by tur nin g the T9 screw sho w n belo w anti- clockwise and then check for a scraping sound aga in as s how n previou sly in ste p 7 . 9 On movin g the Carr i age Asse mbly along t he lengt h of t he printer you sh[...]

Ser vice Calibra tions 5-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 10 Raise th e Carr iage Asse mbly sligh tly , by tu rni ng the T9 scre w (s hown be low) clockwise . 11 Check tha t there is no l ong er a scra ping sound.[...]

Service C alibrations 5-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 12 W hen th e sc rapi ng ha s been el im inate d it is im po rt ant to le av e th e Car riag e Ass e mbl y as c l ose as pos sib le to t he Ce nt er Pl aten : mo ve t he Carr ia ge Assembl y back and f orth acros s the area where the scraping s o und was, gently l[...]

Ser vice Calibra tions 5-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 14 W hen th e com p le te l eng th o f the p rin ter is c alibr ate d (clea r of an y scra p ing sound) , tig hten the two T10 s cre ws at the back of the Carriag e Assembly t o secu re th e c u rr ent p o sitio n . 15 Remove the Carri age Height T ool.[...]

6-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 6 Prin t Quality 6 Print Q u alit y 6-2 Prin t Qu a lity Troubles hooting Chec klist 6- 2 Print M ode s 6 -3 Ho w to U s e th e Pri nt Qu al ity T e st 6-4 What is th e Pr int Q uality T est? 6-4 Printin g th e Pr int Q u ality T est 6-4 Noz zle Prin t T est 6 -6 Color A lig n men t Pri[...]

Print Qualit y 6-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Prin t Qual ity Print Qual ity T r oubl esho otin g Checkli st When faced with an Pr int Quality problem, use the following checklist a s a guide in troubleshooting the problem: 1 Problem reproduction Reproduce the problem that the customer is seeing us ing their original[...]

Print Qua lity 6-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Print one of the internal demos or print the Print Quality T est using HP Media and c onfiguring the printer as indicated previously . If the output obtained using the HP Solution is good and the one obtained thr ough the 3rd party solution is bad, H P support organizatio[...]

Print Qualit y 6-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l How to Use the Print Quality T est W hat is the P ri nt Qu alit y T es t? The Printer contains an internal Print Quality T est which helps you to diagnose the pos sible source of any print quality def e cts. The Print Quality T est is divided into three pa rts: a No zz le[...]

Print Qua lity 6-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 2 Select Pri n t Qual ity from the Utilit ies / Te s t P r i n t s menu, then pr ess Ente r to print t he test. The printer will print out a series of patterns (shown below): Ut il iti es T est P r ints Print Qualit y[...]

Print Qualit y 6-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Noz zle Prin t T es t The noz zle print test is located on the Print Quality T est in the top section. In this tes t the 512 nozzles that e ach printhead uses to pr int with are tested. This is what you would see if there are nozzles not pri nting correctly: 1 In the top [...]

Print Qua lity 6-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual How to fix the No zzle Defects NOT E I f your printer has nozzle defects, it does not mean that you will not get p e rfect print quality r esults . The print er has auto matic procedures to h ide man y nozzl e def ects. This t ype of problem affect s mostly Normal and Dra[...]

Print Qualit y 6-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Below are shown two exa mples of alignm ent and misalignment: Solvin g the Color Alig nm ent Proble m 1 Make sure you have media loaded ( not clear film, vellum or tra cing paper). 2 Go to the pr inter submenu and press En ter . 3 Perform the Printhead Alignment Calibrati[...]

Print Qua lity 6-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ov er all Prin t Qu alit y T est in B EST mode Blue, Gr een , Red, Black, Y ello w , Magenta, Cyan T est This test pattern checks performance for banding in Be st mode only for the media you ar e using. W hat is Ba ndi ng? Banding is when you see repetitive horizontal ban[...]

Print Qualit y 6-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Solvin g the Ba nd ing Problem There main causes of banding: Printhead problems (see below). Use of Non-HP media Incorr ect media type selected in the front panel. Media advance problems. Banding Caused by Printhead Pr ob lem s In this case you will see banding in on ly [...]

Print Qua lity 6-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 2 The light or dar k horizontal lines could also be ca used by permanently damaged printheads. T he possible combinations with this problem are: Banding in cyan , blue and green columns only , but more evident in cyan. This means that the cyan pr inthead could be permane[...]

Print Qualit y 6-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Banding in all o f the c olors 1 Make sure that the media se lection made in the front pa nel is the same as the media that you have l oa ded. 2 It is possible that the banding was caused because the customer was using non-HP media. If the customer s till wants to us e n[...]

Print Qua lity 6-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T r oubles hooting P rint Qua lity Pr oblems Probl em s wi th S tepp e d Li ne s De sc ript ion of probl em When you look at the image you have printed ther e a re ‘ste pp ed lines’ in the borders of arrows and diagonal lines. The lines should be straight with no ste[...]

Print Qualit y 6-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Probl ems with pr in tin g lines De sc ript ion of probl em When you look at the image you have printed ther e a re: Missing or faint lines Printed text having missing parts to them. Shown below ar e examples of what you might see if you have problems with printing lines[...]

Print Qua lity 6-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Problems with Colo r - to- Color Align men t De sc ript ion of probl em When you look at the image you have printed: The colored lines are pr inting double and they ar e the wrong col or s, The border s of colored blocks are overlapped a nd the over lapping area s have d[...]

Print Qualit y 6-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2 Go to the Printer s ubmenu and press Ent er . 3 Perform the Printhead Alignment Calibration by going to Utilities/ Calibration/Printhead Alignment. Please wait as the proces s of aligning the printheads takes a fe w minutes. 4 Reprint the image you were attempting to p[...]

Print Qua lity 6-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Probl ems wi th Hor i zonta l Line s (Ban di ng) De sc ript ion of probl em When you look at the image you have pri nted there are light or dark lines on the image, these are par ticularly highlighted in high dens ity ink areas. This pr oblem is known as banding. IMPOR T[...]

Print Qualit y 6-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 5 Go to the pr inter submenu and press En ter . 6 Go to Utilities/T est Prints/Print Quality and press Ente r . 7 The printer will print a diagnostic tes t print. This will help you find the source of the ba nding problem. Please wait as the process of printing the P rin[...]

Print Qua lity 6-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual d Perf orm the printhea d a lignment procedure . e Reprint t he i ma ge you were a ttempting to print before (i n the same mode) to se e if the p ro bl em stil l exists. f If the re i s no impr ovement in t he qua l ity of your image, prin t the Pri nt Quality T e st aga[...]

Print Qualit y 6-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 11 When you look at the image you have printed there is banding on the image, but only in a fe w colors, similar t o the example shown below . a Th e p ossib le co m bin at ions w ith th is p ro blem ar e: Banding in cyan , blue and green columns only , but more evident [...]

Print Qua lity 6-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual No Print ing De fe ct s Found in the P rint Qualit y T es t If all the test patterns from the Print Quality T est are correct and you still experience print qualit y pr oblems, here are s ome of the mo re likel y cause s to check: The print mode us ed in your printer is [...]

Print Qualit y 6-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Solvin g Color Accuracy problems These are two areas you should review when troubleshooting a color a ccuracy problem: Configurat ion (PostScr ip t option only) Check tha t you a re using the corr ect driver s etting and CRD information for the software. Che ck which ink[...]

Print Qua lity 6-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Color Accu racy Co nfigurat ion The c onfigurations of the printer , the driver , and the soft ware R IPs define how ink is applied t o each type of media. Use the information in the f ollowing table to configure the printer a nd software for best color a ccuracy. Locati[...]

Print Qualit y 6-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Media Always ma ke sure that the customer is us ing the appropriate media for the re quired im a ge a nd that it is c onsistent with the software application being used. T o ensur e color accuracy and print-quality performanc e of the printer , only media types that have[...]

7-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 7 Parts and Diagrams 7 Print e r Su pport 7- 2 Rear Covers 7-4 Elect ron ics Modul e 7- 6 Right Hand Cove r 7-8 Left Hand Cover a nd W indow 7-10 Right Hand Assemblies 7- 12 ISS a nd APS Asse mb ly 7-14 Clutch Asse mbly 7 -16 Carria ge Assemb ly 7-18 Scan-Axi s Assem blies 7-20 Dri ve R[...]

Parts and Diagr ams 7-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Prin te r S uppor t Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60183 1 T ray Assembly 2 C6071-60182 2 Foot As sembly 3 C6072-60184 2 Legs Assembly 4 C6071-60181 1 Bin Assembly 5 C6072-60185 1 X-Brace A ssembly - C6[...]

Parts and Diagrams 7-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 3: Printe r Suppor t 5 3 3 2 2 4 1[...]

Parts and Diagr ams 7-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Rear Cov ers Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60168 1 T op Cover 2 0515-0382 5 Scr ew 3 0515-4228 1 Scr ew 4 C6072-60169 1 Back Cover (Includes Blank Seri al Number Label) 5 C2847-20017 3 Screw 6 2190-076[...]

Parts and Diagrams 7-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 4: Rear Covers 12 13 13 3 1 2 11 10 4 14 8 5 and 6 7 9 14 8[...]

Parts and Diagr ams 7-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Electronics M odu le Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 J31 13- 61001 1 EIO Card 2 C6075-60005 1 Hard Dis k Drive 3 C6072-60176 1 DIMM Cover 4 0515-2246 4 Scr ew 5 C6074-60003 1 DRAM DIMM 16MB C6074-60004 1 DRAM [...]

Parts and Diagrams 7-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 5: Elect ronics Module 11 12 10 9 1 2 4 3 8 7 12 5 6[...]

Parts and Diagr ams 7-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Rig ht Hand C ove r Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60165 1 Right Hand Cover (Includes Front Panel Cable) 2 0624-0771 4 Scr ew 3 C6072-60174 1 Right Hand T r im (Includes W indow Sensor) 4 0515-2248 1 Sc[...]

Parts and Diagrams 7-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 6: Right Han d Cover 1 6 2 4 2 5 3 2 2[...]

Parts and Diagr ams 7-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Left Hand Cover and Wi ndow Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60167 1 Left Hand C over 2 0624-0771 4 Scr ew 3 C6072-60173 1 Left Hand T rim 4 0515-2248 1 Scr ew 5 0624-0771 1 Scr ew 6 C6072-60164 1 W indo[...]

Parts and Diagrams 7-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 7: Left Han d Cover and Wind ow 2 7 2 6 5 3 2 4 2 1 8 9[...]

Parts and Diagr ams 7-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Right Hand Assemblies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60178 1 Service Station Assembly (Includes Drop Detector a nd Primer Assembly) 2 0624-0771 2 Scr ew 3 0515-2248 1 Scr ew (for Service S tation) 4 C6[...]

Parts and Diagrams 7-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 8: Right Hand Assembly 3 4 1 9 2 2 6 8 7 5[...]

Parts and Diagr ams 7-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l ISS and APS Assemb ly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60015 1 Ink Suppl y Station (ISS) 2 C6072-60016 1 Air Pressurization System ( APS) - C6071-60168 1 I nk Le ak Detector (Includes Ink Collector , Lea[...]

Parts and Diagrams 7-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 9: Ink Supply S tation 2 1[...]

Parts and Diagr ams 7-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Clutch Assembly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60151 1 Clutch Ass embly 2 0515-2278 2 Scr ew[...]

Parts and Diagrams 7-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 10: Clutch As sembly 1 2 1 2[...]

Parts and Diagr ams 7-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Carriag e Assem b ly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60147 1 Carriage As sembly (Includes Carriage Height T ool, Cutter Assembly and L ine Sensor) 2 C6072-60200 1 Cutter Assembly (Includes Screw a nd Wa[...]

Parts and Diagrams 7-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 1 1: Car riage As sembly 2 1 5 3 4[...]

Parts and Diagr ams 7-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Scan-Axis Ass emb lies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60148 1 Scan-Axis Motor 2 0515-0382 2 Scr ew 3 C6072-60149 1 T ensioner Assembl y (Includes Pulley Assembly , Pulley Spring, W edge and Actuator Ar[...]

Parts and Diagrams 7-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 12: Scan-Axis Assemblies 8 and 9 4 5 3 4 15, 16, 17 and 18 10 7 8 and 9 2 6 1 12, 13 and 14 11[...]

Parts and Diagr ams 7-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Drive Roller a nd ARSS Miscellaneou s Parts NOTE Items 1 and 3 ar e not o rderable sepa rately . Th ese parts are included when you ord er the Dri v e Roller Assembly on Page 7- 28. Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Commen[...]

Parts and Diagrams 7-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 13: Drive Roller and ARSS Misce llaneous Parts 1 2 2 3 4 4 5 5 5 5 7 6[...]

Parts and Diagr ams 7-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Paper Path Assem blies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60153 1 Spindle 2 C6072-60154 1 Entry Roller 3 0515-2986 2 Scr ew 4 C6072-60150 1 ARSS Asse mbly 5 C6072-60152 1 ARSS Assembly Handles 6 0515-2250 [...]

Parts and Diagrams 7-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 14: Paper P ath Assemblies 8 7 3 3 1 2 4 5 and 6[...]

Parts and Diagr ams 7-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pinch Assemb ly Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60009 1 Pinch Assembly 2 0515-2981 1 C am Leve r Screw[...]

Parts and Diagrams 7-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 15: Pinch As sembly 2 1 1[...]

Parts and Diagr ams 7-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Drive Roller Ass emb lies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60191 1 Drive Roller A ssembly 2 C6072-60163 1 Drive Roller G uide (Includes Item 4) 3 0515-2982 3 Scr ew (for Right Hand attachment of Drive Ro[...]

Parts and Diagrams 7-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 16: Drive Roller Assemblies 3 1 2 4 and 5[...]

Parts and Diagr ams 7-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Center Guide and Media Senso r Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60189 1 Center Guide ( Includes Item 3) 2 0515-2986 4 Scr ew 3 C6072-60190 1 Media Sensor[...]

Parts and Diagrams 7-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 17: Center Gu ide and Media Sens or 2 2 2 1 3[...]

Parts and Diagr ams 7-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l T ube s Guide Asse mb lies Pr inter S upport Reference on Drawing HP Part Numb er Quantit y Des cription/Comment s 1 C6072-60195 1 T ube Guide Assembly 2 C6072-60194 1 Front Gui de Assembly 3 C6072-60193 1 Right Arc Ass embly 4 0624-0771 8 Scr ew 5 C6072-60192 1 Lef[...]

Parts and Diagrams 7-33 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 18: SRK T ubes Guide Assemblies Right Hand Side Left Hand Side 1 2 3 4 4 4 4 5 4[...]

Parts and Diagr ams 7-34 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Order ing Ac cess orie s Item HP Par t Number HP De signJet 10 50C and 1055CM Quic k R eferenc e G ui de Englis h Korean Ta i w a n e s e German French Span ish Italian Japanese Portug uese Chi nese C6071-90 241 C6071-90 242 C6071-90 243 C6071-90 244 C6071-90 245 C6[...]

Parts and Diagrams 7-35 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Item HP Par t Number Driv er s Lat es t version s of the foll owing were shipped wit h the 1055CM: HP DesignJet PostScript Driver fo r Power Maci ntosh a nd Mac intos h HP DesignJet PostScript Driver fo r Microsof t W i ndows HP-GL/2 W indows Drive r HP DesignJet HP-[...]

Parts and Diagr ams 7-36 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l[...]

8-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 8 Removal a nd Installation 8 Right Hand Cove r 8-4 Front Pane l Assembl y 8-6 Right Hand T r im and W indo w Switch 8-7 Ser vi ce Statio n Asse mbly 8- 8 Drop Det ector A ssembly 8-10 V acuum Fan 8- 11 Pap er-ax is M oto r A ssemb ly 8 -12 Left Hand Cover 8 -13 Left H and Trim Assem bl[...]

Removal and Insta llation 8-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Int roduction This chapter is a step by step guide to the r emoval and installation of the key components in the printer . Y ou may find it useful to tick off the steps as they are performed. Use the illustr ation at eac h pr ocedur e to identify the parts refe[...]

Removal and Installation 8-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Electr o static Disch arge (ESD) P recautions T o prevent dam age to the Printer cir cuits f rom hi gh- voltage electr os tatic dischar ge (ESD): 1. Do not wear clothing that is subject to static build- up. 2. Do not handle integr ated circuits (ICs) in c arpete[...]

Removal and Insta llation 8-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Right Hand Cove r Refer to F igur e 1 Removal 1. Remove the Printhead C leaners ( Refer to the User Guide). NOT E Make sur e that the Se rvice S tation Carriage is pushe d to the back before trying to remove the Right Cover . W ARNING S witch of f t he printe r[...]

Removal and Installation 8-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figure 1: Right Cover C60740 7 1 2 4 3[...]

Removal and Insta llation 8-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Insta llation of t he Right H and Cov er NOT E E nsur e the fron t panel cabl e and the ae r os ol fan c ables are secured inside the right hand cover with cable clamps and ret aining c lips . NOT E At the rear of t he r ight hand side chas sis is a hole for t [...]

Removal and Installation 8-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Rig ht Hand T rim an d W indow Sw itch Refer to F igur e 3. Removal W ARNING S witch of f t he printe r and remove the po wer cab le. 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4. 2. Disconnect the W indow Switch cable from the Ser vic[...]

Removal and Insta llation 8-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Servic e S tation Assembly Refer to F igur e 4. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Printhead Clea ners (Refer to the User Guide). 2. Remove the following 1. "Right Hand Cov er" see page 8- 4. 3. Disc[...]

Removal and Installation 8-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Figur e 4: Service S tation Ass embly NOT E Y ou must p erform t he following Ser vice Calibrations af ter th e installation of the Service S tation Assembly . Serv ice Stati on ⇒ Page 5- 1 1 . Color to Color Calibration ⇒ Page 5- 16 . 1 2 3[...]

Removal and Insta llation 8-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Dr o p Dete ctor Asse mbly Refer to F igur e 5. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Printhead Clea ners (Refer to the User Guide). 2. Remove the following 1. "Right Hand Cov er" see page 8- 4. 2. &qu[...]

Removal and Installation 8-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual V acuum Fan Refer to F igur e 6. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4. 2. "Service Stat ion Assembly" se e page 8-8. 2. Disconnect the vacuum f[...]

Removal and Insta llation 8-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Paper-axis M otor A ssemb ly Refer to F igur e 7. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4. 2. "Service Stat ion Assembly" se e page 8-8. 2. Disco[...]

Removal and Installation 8-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Left H and Cove r Refer to F igur e 8 to Figur e 15. Removal 1. Remove t he Ink C art ridges (R efer to t he User Guide ). W ARNING S witch of f t he printe r and remove the po wer cord . NOT E W orking f rom the r ear of the print e r . 1. Open the door at the[...]

Removal and Insta llation 8-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 2. Releas e the tube holder (i tem 1) from the rear of the left hand cover by pushing i t up and out ( r efer to Figur e 9). Figur e 9: T ube Grip 3. T wist the two latches at the re ar of the ink car tridge tube connector outwards (refer to Figure 10) . This [...]

Removal and Installation 8-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Slide the ink c artridge tube connector assembly towards you (refer to Figure 1 1). Fi gur e 1 1: Ink Cartridge T ube C on ne ctor (pulled bac k) 5. Disconnect the ink cartridge tube conne ctor cable (refer to Figur e 12). Figure 12: I nk Cart ridge T ube Co[...]

Removal and Insta llation 8-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 6. Disconnect the air tube (refer to Fi gure 13). Figur e 13: Air T ube 7. Remove the ink ca rtridge tube connector ( item 1) from the rear of the left hand cover (item 2) and store it safely on top of the Pri nte r (refer to Figure 14) . Figure 14: Ink Cartri[...]

Removal and Installation 8-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E In the followi ng ste ps , r e f e r to Figur e 15 . 8. Remove two T -15 scre ws (item 1) from the left hand trim. 9. Remove two T -15 screws (item 2) f rom the rear of the left hand cover which are securing the cove r to the left hand s i de chassis. NOT[...]

Removal and Insta llation 8-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Left Hand T rim Assem bly Refer to F igur e 16. Removal 1. Remove 4 screws ( Item 1) that attach the Left Hand T rim (I tem 2) to the Pr inter . 2. Remove the Left Ha nd T rim (Ite m 2) fr om the Pri nte r . Figur e 16: Left Hand T rim 1 C60740 6 2[...]

Removal and Installation 8-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Ink Su pply S tat ion Asse mbly (ISS) Refer to F igur e 17. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Ink Cartridges (Refer to the User Guide). 2. Remove the following: 1. "Left Hand Cover " see page 8-13. [...]

Removal and Insta llation 8-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Air Pr essurization System (APS) Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the Ink Cartridges (Refer to the User Guide). 2. Remove the following: 1. "Left Hand Cover " see page 8-13. 2. "Ink Supply Sys te[...]

Removal and Installation 8-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Clutch Assembly and left hand miscel laneous parts Refer to F igur e 19 and F igur e 20. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Left Hand Cover " see page 8-13. 2. "Ink Supply System [...]

Removal and Insta llation 8-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 20. 6. Remove the two T -10 screws (it em 1) from the le ft r o ller ge ar (ite m 2) attached to the left side of the roller . 7. Remove the two T -20 screws (i tem 3) from the roller support (item 4) a nd rem[...]

Removal and Installation 8-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T ail De flectors an d Rear P laten Refer to F igur e 21. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the thr ee Deflectors (item 1) by un c l ipping them from the Rear Platen (Item 3). 2. Remove two T -10 screws (item 2) [...]

Removal and Insta llation 8-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Left and Rig ht Rear Covers Refer to F igur e 22. Removal W ARNING S witch of f t he printe r and remove the po wer cord . NOT E W orking f rom the r ear of the Print er . 1. Remove the T - 10 Screw ( Item 1) that attaches the left hand rear cover (Item 2 ) to[...]

Removal and Installation 8-25 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Electronics M odu le Refer to F igur e 23 and F igur e 24. Removal W ARNING S witch of f t he printe r and remove the po wer cord . NOT E W orking f rom the r ear of the Print er . 1. Remove the following: 1. "Left and Right Hand Rear C overs" see pag[...]

Removal and Insta llation 8-26 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Figure 23: Elect ronics Module NOT E F or the following steps, r ef er to Figur e 24. 8. Remove two T -20 screws (item 1) w hich can be found at both ends of the electronics module a t the b ottom. 9. Loosen (do not remove) the two remaining T -20 scr ews (it [...]

Removal and Installation 8-27 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Inst allation of t he Electro nics Mo dule W ARNING Wh en reconnecting the T r ailing Cable to the Electron ics Module, make sure you con nect it correctly as follows: 1. Start reconnec ting the T railing Cable from left to right ( the longest strip will be con[...]

Removal and Insta llation 8-28 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E Y o u must perform the f ol lowing Service Calib ration and Utility after the installation of the Electron ics Module. Set Asian PS Fonts (only i n Asia) ⇒ Page 4- 33 . Cal ibr at ions B ackup ⇒ Page 5- 19 & Pe n A lign m en t ⇒ Page 5- 22 .[...]

Removal and Installation 8-29 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Me di a Se nso r Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Center Guide" see page 8- 71. 2. Carefully remove the media s ensor (item 2) fr om underneath the center guide (item 1) (ref er to F[...]

Removal and Insta llation 8-30 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l W indow Refer to F igur e 26. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Open the window and holding both s ides pull up to remove. NOT E T he Window hinge s must be vertical when pulling up. Figure 26: W in dow C607404[...]

Removal and Installation 8-31 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T op Cover Refer to F igur e 27. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove one T - 15 screw I tem 1) f rom the front of the top cove r (item 2). 2. Remove fi ve T -15 screws (item 3) from the r ear of the top cover . 3. [...]

Removal and Insta llation 8-32 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Back Cov er Refer to F igur e 28. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "T op Cover " see page 8- 31. 2. Remove three T -15 screws (item 1) from the bottom of the ba ck cover (item 2). L [...]

Removal and Installation 8-33 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Scan-axis Mo tor A ssemb ly Refer to F igur e 29. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4. 2. "Left Rear Cover " see page 8- 24. 2. Disconnect the[...]

Removal and Insta llation 8-34 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l En cod er S tri p Refer to F igur e 30 to Figur e 32. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following 1. "Left Hand Cover " see page 8-13. 2. "Right Hand Cov er" see page 8- 4. 3. "Back [...]

Removal and Installation 8-35 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or s tep s 4 and 5, refer t o Fi gure 31. 4. Remove the 5.5mm nut (item 1) f rom the left side of the P rinter that attaches the Encoder Strip (item 3) to Spring C lip ( item 2). NOT E T o perf orm t h e n ext s tep us e a screw dr iver t o press t he s[...]

Removal and Insta llation 8-36 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 32. 6. Remove the 5.5mm nut ( item 1) f rom the right s ide of the pr inter securing the encoder strip (item 2) . 7. Remove the encoder stri p from re taining pins ( item 3) on the right side of the Printer Ch[...]

Removal and Installation 8-37 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T ension er Refer to F igur e 33 to Figur e 35. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following 1. "Left Hand Cover " see page 8-13. 2. T o release the t e nsion on the be lt (item 1) from the left hand[...]

Removal and Insta llation 8-38 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. Remove the belt (item 1) from the belt motor pulley (item 2) on the right hand side of the Printer (refer to Figure 34) Figur e 34: T ensioner Assembly NOT E F or st eps 4 t o 6, refer t o Figure 35. 4. Remove the tensioner pulley (item 1) f rom the belt (i[...]

Removal and Installation 8-39 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T r ailing Cable Refer to F igur e 36 and F igur e 37. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Right Hand Cov er" see page 8- 4. 2. "Left Hand Cover " see page 8-13. 3. "Left[...]

Removal and Insta llation 8-40 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 37. 6. Remove the T - 15 screw ( item 1) from the trailing cable holder (item 2) a nd remove. 7. Remove two T -10 sc rews (item 3) from the tra iling cable clamp (item 4). R emove the trailing cable c lamp (it[...]

Removal and Installation 8-41 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. When the T r ailing Cable is inser ted correctly , the sha ded par t (as shown below) will not be visible. 4. Before power ing ON the Printer , che ck the continuity (using a tester) between the two points (as s hown below). If the re is contin uit y betwee [...]

Removal and Insta llation 8-42 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Cutter Assembly Refer to F igur e 38 to Figur e 40. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "T op Cover " see page 8- 31. 2. Move the carriage to a pos ition where you can access the pr int[...]

Removal and Installation 8-43 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or s tep s 3 and 4, refer t o Fi gure 39 3. Loosen the retaining s crew T -9 at the back of the printhead tub e connector . 4. Remove the printhead tube connector ( refer to Figure 39) . Figure 39: Cutter Assembly 5. Move the Printhead tube connector to[...]

Removal and Insta llation 8-44 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Carriage Asse m bly and Belt Refer to F igur e 41 to Figur e 51. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "T op Cover " see page 8- 31. 2. "Right Hand Cov er" see page 8- 4. 3. &qu[...]

Removal and Installation 8-45 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or s tep s 3 and 4, refer t o Fi gure 42. 3. Loosen the retaining screw T -9 at the back of the printhead tube connector . 4. Remove the printhead tube connector ( refer to Figure 42) . Figur e 42: Carriage Assembly and Belt 5. Move the Printhead tube c[...]

Removal and Insta llation 8-46 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or st eps 6 t o 8, refer t o Figure 43. 6. Unclip and r emove the tr ailing ca ble restraining clip ( item 2) from the Ca rriage As sembly (ite m 1). 7. Carefully disconnect the trailing ca ble (item 3) f rom connector s in the Carriage PCA (item 4). 8[...]

Removal and Installation 8-47 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 9. T o release the t e nsion on the be lt (item 1) from the left hand s i de of the Printer , squeeze the spring ( item 2) using the tensioner wedge clip (item 3) until you hear it click into place (refer to Figur e 44). Figur e 44: Carriage Assembly and Belt 1[...]

Removal and Insta llation 8-48 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or st eps 1 1 and 12, refer to F igure 46. 11 . Remove the 5.5mm nut (item 1) f rom th e le ft s ide of the Printer that attaches the Encoder Strip (item 3) to Spring C lip ( item 2). NOT E T o perf orm t h e n ext s tep us e a screw dr iver t o press [...]

Removal and Installation 8-49 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E F or st eps 13 t o 15, refer t o Figure 47. 13. Remove the tensioner pulley (item 1) f rom the belt (item 2) which is located in the tens ioner assembly (item 3). 14. Remove the two T -15 screws (item 4) securing the tens ioner assembly to the s lider rod[...]

Removal and Insta llation 8-50 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or the following steps, r ef er to Figur e 48. CAUTION The rear b ushing (item 1) on th e carriage assembly is tensioned with a spring (item 2). When r emoving the carriage asse mbly (item 3) hold the rear bushing on the carriage assembly . 16. Remove [...]

Removal and Installation 8-51 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Insta llat ion of the Ca rriage Assemb ly NOT E P lease take note of th e following steps when installing the Carriage As sembly . 1. Make sure tha t the traili ng cable is seated corre ctly a nd that the trail ing cable s upport i s st rai ght and has NO bubbl[...]

Removal and Insta llation 8-52 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. When installing the belt, make sure it is not twis ted and is ins talled in the correct orientation as shown i n Figure 51. Figur e 51: Belt Installation NOT E Y ou must p erform t he following Ser vice Calibrations af ter th e installation of the Carriage [...]

Removal and Installation 8-53 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual T ubes S ystem Ass embly Refer to F igur e 52 to Figur e 63. Removal 1. Remove the Printheads, Ink Cartridges and the Printhead cleaners. (Refer to the User ’ s Guide for details) . Figur e 52: P rinter Carriage Location W ARNING N o w t u r n of f th e p r i[...]

Removal and Insta llation 8-54 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 3. Remove the following: 1. "W indow" s ee page 8-30. 2. "T op Cover " see page 8- 31. NOT E F or the following steps, r ef er to Figur e 54. 4. Loosen the retaining screw T -9 at the back of the printhead tube connector . 5. Remove the pri[...]

Removal and Installation 8-55 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual NOT E W orking f rom the r ear of the print e r . 7. Open the door at the back of the left ha nd cover by r emoving two T15 screws (item 1) ( refer to F igure 56). Figure 56: Rear Left Hand Cover 8. Releas e the tube holder (i tem 1) from the rear of the left h[...]

Removal and Insta llation 8-56 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 9. T wist the two latches (item 1) at the r ea r of the ink car tridge tube connector (item 2) to the outwards. This will re lease the comp lete asse mbly (refer to F igure 58). Figur e 58: Latches 10. Slide the ink c artridge tube connector assembly (item 1) [...]

Removal and Installation 8-57 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 11 . Disconnect the ink cartridge tube connector cable (item 1) (refer to Figure 60). Figure 60: I nk Cart ridge T ube Connect or Cable 12. Disconnect the air tube (refer to Fi gure 61). Figur e 61: Air T ube 1 1. Press down her e 2. Release the tube here[...]

Removal and Insta llation 8-58 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 13. Remove the ink ca rtridge tube connector ( item 1) from the rear of the left hand cover ( item 2) , rest the a ssembly on the lef t hand cover (refer to Figure 62) . Figure 62: Ink Cartrid ge T ube C onnector (pulled out) 14. Push the tab (item 1) towards [...]

Removal and Installation 8-59 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual CAUTION The complete ink t ube system is full of ink. 15. Now you c an remove the complete T ubes System from the printer by sliding the tubes from between the tube guid e s. Re st ar tin g the pri nter 1 T urn the printer ON from the main power switch at the r[...]

Removal and Insta llation 8-60 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Ink Leak D etec tor Asse mbly Refer to F igur e 64 to Figur e 66. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "W indow" s ee page 8-30. 2. "T op Cover " see page 8- 31. 3. "Back [...]

Removal and Installation 8-61 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 5. Rem ov e the sc rew a nd clip ( item 2) from the b ac k of th e P rinte r a n d discon ne ct t he Ink Le ak Det ector Ca bl e Connec t or (it em 1) as show n in Figure 65. The In k Leak Det ector Cable can now be re moved comple tely Figure 65: Leak Det e ct[...]

Removal and Insta llation 8-62 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Fr ont Plate n Assembly Refer to F igur e 67. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Open the window . NOT E I n the following steps, please treat the screws with gr eat car e as they c an eas ily be damaged. 2. Remove the [...]

Removal and Installation 8-63 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Platen Assembly Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Open the window . NOT E I n the following steps, please treat the screws with gr eat car e as they c an eas ily be damaged. 2. Remove twenty-nine s crews T - 10 screws ([...]

Removal and Insta llation 8-64 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Paper Entry Assembly Refer to F igur e 69 to Figur e 71. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. 1.Remove the following: 1. "Left Hand Cover " see page 8-13. 2. "Left Hand T rim" see page 8-18. 3. "I[...]

Removal and Installation 8-65 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 3. Remove the T -10 screw (it em 1) from the linkage rod (item 2) and the pinch- wheel c am (item 3) (r efer to Figure 70). Figur e 70: L inkage Rod NOT E F or s tep s 4 and 5, refer t o Fi gure 71. 4. Releas e the right s ide of the pa per entry assembly ( ite[...]

Removal and Insta llation 8-66 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Roll er Guide Refer to F igur e 72 to Figur e 75. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Left Hand Cover " see page 8-13. 2. "Right Hand Cov er" see page 8- 4. 3. "Electr o[...]

Removal and Installation 8-67 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 4. Remove the four T -15 screws (item 1) secur ing the left hand electronic module mount (item 2) to the left ha nd side chassis (re fer to Figure 73). Figure 73: Le ft E lectronic Modu le Mount 5. Remove the four T -15 screws (item 1) secur ing the right hand [...]

Removal and Insta llation 8-68 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E F or th e following s teps refer to F igure 75. 6. Remove the three T -15 screws from the right side of the roller guide assembly (item 2) . NOT E B e c areful not t o drop the roller guide once the s ecurin g fast eners have been r emoved. 7. Remove the[...]

Removal and Installation 8-69 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual M edi a H old er S t r i p Refer to F igur e 76. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Electr onics M odule" see page 8- 25. NOT E W orking f rom the r ear of the print e r . 2. Remove th[...]

Removal and Insta llation 8-70 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Drive Roller Refer to the Figur e 77. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Clutch Asse mbly" see page 8- 21. 2. "Roller Guide" see page 8-66. NOT E W orking f rom the r ear of[...]

Removal and Installation 8-71 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Cen ter Gu i d e Refer to F igur e 78 to Figur e 80. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Left Hand Cover " see page 8-13. 2. "Right Hand Cov er" see page 8- 4. 3. "Electr[...]

Removal and Insta llation 8-72 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l 4. Remove the two T -15 screws from the right hand side plate secur ing the right side of the center guide (refer to Figure 79). Figure 79: Right Ha nd Center Guid e Scr e ws NOT E For r e-installat ion p urpose s, n ote the p ositio n of the pins supportin g [...]

Removal and Installation 8-73 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Pinch-Wheel Assembly and Cam Refer to F igur e 81 and F igur e 82. Removal W ARNING S witch of f t he printe r and remove the po wer cord . 1. Remove the following: 1. "Left Hand Cover " see page 8-13. 2. "Right Hand Cov er" see page 8- 4. 3[...]

Removal and Insta llation 8-74 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E W orking f rom the r ear of the print e r NOT E F or s tep s 3 and 4 ref er to Figure 82. 3. Remove the twelve T -15 screws ( item 1) secur ing the pinch-arm asse mblies (item 2) to the unde rneath of the scan axis. NOT E T he screws also secu re the pin[...]

9-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 9 Pr eventive Maintenance 9 Moistu re o n th e P rinte r 9- 2 Noisy Carr i age Bushing 9- 2 Belt Sw el lin g 9-2 Cle ani ng t he Pr inte r 9 -2 General Cle a ning 9-2 Cleaning t h e Overdriv e 9-3 Schedul ed Mainte na nce 9-3 Leve l o f P rinte r U sage 9-3 Scan -axi s Mainte nance 9-4[...]

Preventive Maintenance 9-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Pr eventive Maintenance Moistur e on th e Print er Users should use the Printer i n an environment between 20% and 80% relative humidity . T o recover from moisture condensation, turn the Pr inter Off, and, using the main roller a s a reference , wait unti l the P[...]

Preventive M aintenance 9-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Cleaning the Overdrive NOT E I f ink is spilled on the Overdrive , re move the ink. Due to t he ink’ s reflectance, in k on the O verdrive can disru pt the Pri nte r’ s edge- sensing functi on. T o remove any ink from t he Overdrive, perform the following pr [...]

Preventive Maintenance 9-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l panel displays the f ollowing message: "Maintenance Advised" The Service Configuration Print also c onveys the us age information, and it is acc essible by the us er . Once the maintenanc e advis ed message is displayed, the preventive maintenance kit mu[...]

10-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual 10 Functi onal Overview 10 Intr oduc tion 10-2 HP DesignJ et 1 050C Print er 10- 2 HP Desi gnJet 1 055CM printer 1 0-2 Elec tric al Sy st em 10 -2 Power S upply U nit ( PSU) 10- 3 Soft Powe r-O ff Sw itch 10- 4 Front P anel 10- 4 Ink Deli very Syst em (I DS) 10-5 Ink S upply S tation ([...]

Functional Overview 10-2 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Intr oduction This Chapter cont ains a si mplified description of the HP Desig nJ et 1050C/1055CM Printer circuits and mechanical functions. Mechanical a nd printed C irc uit As sembly (PC A) ove rviews pr esent a functional description of how the Printer ope rates.[...]

Functional Overview 10-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual sensor . Service station: Contains the electronics nee ded to perform drop detection, a DC motor /encoder for capping, wiping a nd spitting and a stepper motor for pr iming. Front Panel: is the user interface. It consists of an LCD display , a key panel and six L ED[...]

Functional Overview 10-4 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Soft Power -Off Switch There is a power -of f switch on the fr ont panel to switch OFF the product in a contr olled way . When the switch is actuated the firmware turns off s everal subsystems and s tores information about the produc t in the EEROM, then it gr ounds[...]

Functional Overview 10-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual menus: Back , En te r , Up , Down and Menu . (Y ou can print a demo plot ca lled Menu to get the complete menu tree). 1 key on the upper r ight corner is us ed to switch the power ON and OFF . This key is ca lled soft power ON/OFF in contrast to the hard power ON/OF[...]

Functional Overview 10-6 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Tu b e s S y s t e m The T ubes System is the a ssembly that pe rforms these functions: Conduct the ink pumped from the Ink Cartridge to the Pr inthead. Conduct the air fr om the pump int o the Ink Cartridge. Keep the ink in good condition until it is deliver e d to[...]

Functional Overview 10-7 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Air Pre ssurization S ystem (APS) The APS is the system that provides and contr ols the pr essurization of the ink in the Ink Cartridges. The key “mission” of this system is to ensure the minimum required ink pressure at the inlet to each Printhead respec tively[...]

Functional Overview 10-8 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l remaining ink. T hese two coils are par t of a fl ex PCB that also includes the connection pads and the ink lea k detec tion pads. The IS S board includes the electronics r equired to measure the level of ink using this variable transformer . T he circuit ge nerates[...]

Functional Overview 10-9 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual At t he ink col lec tor there ar e two metal lic pi ns be tween which t he re si sta n ce i s c hecked. When t here i s no l eaka ge, ther e will be a ir pre sent and the re si st ance measured will be high. In ca se of leakage, t he coll ect or will cont ain i nk a[...]

Functional Overview 10-10 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Cap The purpos e of the caps is to pr event the nozz les from drying out while the printer is idle. The caps seal of f the printhead, forming a closed, high humidity chamber with small volume that is vented to ambient through a long and narrow pa ssage. The caps s [...]

Functional Overview 10-11 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Sno ut W ipe r Snout wiper is used to clean the ink accumulation that happens on the snout of the pen (vertica l corner on t he interconnect side) because of wiping ope ration. This is done to a void spreading this ink over the inter connect when replacing the pen [...]

Functional Overview 10-12 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Prin ter Spe cific ations Func ti on al Spe cif ica tio ns HP No. 80 Supplies Four colors: cy an, magenta, yellow and blac k. Print he ads: 600 dpi, 12.0 kHz (Cya n, Mag e nta, Y ellow). 12.0 k Hz (Black ). Print he ad Clean e rs: Cyan, magenta, yell ow and black .[...]

Functional Overview 10-13 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Roll (nor ma l) Sheet (n or ma l) R o ll (e x tende d) Sheet (e x tende d) Margins Side Mar gins 5mm Leading ed ge Mar gin 1 0mm T raili ng Edge Mar gin 5 m m Side Mar gins 5mm Lead ing ed g e Mar gin 1 0mm T raili ng Edge Mar gin 1 5mm Side Margin s 15mm Lead ing [...]

Functional Overview 10-14 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l NOT E If the printer temperatur e falls below its minimu m operating tem perature it may s top to protect it s ink system s . NOT E At 3000m altitude th e printer may have operational pr oblems. Ecological S pecif icatio ns Ener gy eff icienc y Compli ant wi th Ene[...]

Functional Overview 10-15 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual EMC (Ele ct roM agn et ic C ompa t ibil ity) Spe cif ic ations Ca na da Canadian Dep art m ent of Communic ations, Radi o Interference Re gul ations Clas s B 1 com plia n t. Euro pe an Uni o n 89/336/EE C EMC Directive compli ant. Meets EN 55022 Cl a ss B 1 emiss i[...]

Functional Overview 10-16 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Printab le Ar ea P rin ting Area (= Pa pe r Si ze M inus Marg ins) Pa pe r Si ze ( and O rie ntat ion o f Paper) Prin tin g Ar ea (Wi dth x Heig h t) by Or i entat ion o f Image inc h es mi ll imet ers landscape por trait la ndsc ape port rai t ANSI pa p er A A B B[...]

Functional Overview 10-17 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Interfa ce Spe cific ation s Below are the pa rallel interface specifica tions. For specifi c ations of the HP JetDirect Print Se rver (Ne twork Interf ace) , see the JetDirect Print Server documentation supplied with the Print Ser ver Interface or consult your dea[...]

Functional Overview 10-18 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l Regulatory Notice s T o Obta in a Ma t eri al Sa fety Data She et (M S DS) Y ou can obtain current Material Safety Data Sheets f or the ink systems use d in the printer by mailing a request to this addres s: Hewlett-Pack ard Cus tomer Information Ce nter , 19310 Pr[...]

Functional Overview 10-19 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual CAUTION Pursuant to Par t 15. 21 o f th e FCC Rules, any c hanges or m odific ations to this e quip me nt not expre ssly ap proved by th e Hew le tt-Pa ck ard C ompa ny , m ay cau se harm fu l inte rf eren ce a nd vo id th e FC C auth ori za ti on to op er ate this[...]

Functional Overview 10-20 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l W hen connect ed to LA N cab les u sing print s erv e r acce ss orie s… This equipment has been tested and found to comply wit h the limits for a Class A digital devic e, pursuant to part 15 of the FCC Rules. These limits a re designed to provide re asonable prot[...]

Functional Overview 10-21 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual VCCI Cl ass A and Cla ss B (Jap an) Korean EMI stat em ent Ta i w a n e s e E M I stat em ent Te l e - comm un icat io ns Gener al Appr oval (U K ) T elec ommu nications S tatement The HP Desi gnJet 1050C an d 1055CM pri nters , models C60 74 a nd C6075, are appr o[...]

Functional Overview 10-22 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l De clarat ion of Conf ormit y DECLARA TION O F C ONFORMITY according to I S O/IEC Gui de 22 a nd E N 45014 Ma nufacture r ’ s Na me: M a n uf a ct urer ’ s A dd ress : He wlet t-P a c kard Espa ñola S .A. Barce lon a Division A venida Graells , 50 1 08190 Sa n[...]

Functional Overview 10-23 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual www .designjet-on line.hp.c om Dir ect acc ess to H P and the information you want, when you need it. R egister now! HP Desi gnJet Onli ne is a f re e, we b -b a s ed “u se r cl u b” ex cl usi v e to HP DesignJ et use rs. H aving r egi st ere d, th e use r has [...]

Functional Overview 10-24 HP DesignJ e ts 1050C and 1055CM Print ers Service Manua l[...]

Glossary G-1 Gl ossary 11 ac Al ter nat in g c ur r ent . ANSI size An American standa rd media s ize; e .g. D, E applic ation The softwar e you use to c reate your dr awings. APS Air Pressurization System Cent ronics A standard for the pa rallel interface betwee n computer and device. clipp ing Losing part of a dr awing a t the edges. CMYK Cyan, m[...]

Gl ossa ry G-2 HP - G L/ 2 One of H ewlett-Packard’ s standar d graphics languages for plot te rs and printers. Pr oduces vector data. Newer than HP-GL. IDS Ink Delivery System. I/O Inp ut/ou tput The tr ansmission of data between a comput e r and a device. i nked ar ea The smalles t rectangle that contains all the content of the drawing, while m[...]

Glossary G-3 P ANT ONE The P ANTONE MA T CHING SYS TEM® is an interna tiona l standard for c olor communication in the gr aphics ar t industry . pen Even though the plotter has no phys ical pens, the lines it dr aws match the attributes of a pen. pl aten The exterior part of the pr inter on which the media rests be fore going into the media-entry [...]

Gl ossa ry G-4[...]

Index Index-1 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Index 12 A Accessor ies 7- 34 Accuracy Calibration 5-6 Acoustic Specifications 10- 14 Air Pr essurization System 8-20, 10- 7 APS As sembly 7-14 B Back Cover 8-32 Banding 1- 12, 6-9 Baudrate Selection 4-42 Belt 8- 44 Belt S we lling 9-2 C Calibrations Backup 5- 19 Cam 8- 73 Cap[...]

Index Index-2 HP DesignJ ets 1050C and 1055CM Print ers Service Manua l Functional Overview Air Pr essurization System 10-7 Electri cal S yst em 10-2 Ink Level Sens e 10-7 Ink Supply Station 10-5 Leak Det e ct Syst em 10-8 Power Supply Unit 10-3 Print Head C leaner 10- 9 Service Station 10-9 So ft Po w e r-O f f S w i tc h 10 - 4 Tubes System 10-6 [...]

Index Index-3 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual P Paper Axis Ser vice Test 4-20 Paper Ent ry Assembly 8-64 Paper Path 7-24 Paper-axis Motor 8-12 Par ts Lis t APS As sembly 7-14 ARSS Miscellaneous Parts 7-22 Carri a ge Assembly 7-18 Center Guide 7- 30 Clutch Assembl y 7-16 Drive Roller Ass emblie s 7-28 Electronics M odule 7[...]

Index Index-4 HP DesignJ ets 1050C and 1055CM Print ers Service Manua l Removing Air Pr essurization System 8-20 Back Cover 8-32 Belt 8- 44 Carri a ge Assembly 8-44 Center Guide 8- 71 Clutch Assembl y 8-21 Cutter Assembly 8-42 Drive Roller 8-70 Drop Detector Assembly 8-10 Electronics M odule 8-25 Encoder St rip 8-34 Front Panel Assembly 8-6 Front P[...]

Index Index-5 HP Design Jets 1050C and 1055CM Pri nte rs Servic e Manual Set Asian PS Fonts 4-33 Tubes Purge 4-28 Set Asian PS Fonts 4-33 Shielded cables 10-18 Smear s 6-24 Snout Wiper 10- 11 So ft Po w e r-O f f S w i tc h 10 - 4 Solving Image Quality P r oblems 1-3 Sound 10-18 Spittoon 10- 10 System Error Codes 2-2 0000D8 2-3 010020 2-3 010021 2-[...]

Index Index-6 HP DesignJ ets 1050C and 1055CM Print ers Service Manua l[...]

About this Ed ition T his is th e 1 st e d it ion o f t his Se rvi ce M a n ua l 1st editi on, t itled HP C60 74A/C6075A DesignJ et 10 50C and 105 5CM Servi c e Manua l[...]

1 What’ s in t his Service Ma nual This m anual cont ains i nformation nece ssary to te st, cali brate a nd servi ce : - HP De si gnJet 1050C (m odel C6074A) - HP De si gnJet 1055CM (m odel C6075A) For in form ation a bout using the s e pri nte rs, refer to t he correspon ding User and Quic k Refe rence Guides. The procedu res describe d in thi s[...]