Lexmark 4402-001 manual

4402-001 Lexmark X73 Scan/ Print/ Copy Le xmark and Le xmark with diamond design are trad emarks of Le xmark International, Inc., regis tered in t he Unite d States and/o r other coun tries. •I n d e x • Safety and Not ic es • T rademarks • Star t Diagnos tics • T ab le of Contents[...]

Edition: June 2001 The followi ng paragraph does not apply to any country where such provisions are inco ns ist e n t w it h lo cal law : LEXMARK INTERNA TIONAL, IN C . PR O VIDES TH IS PUBLIC A TION “AS IS” WITH O UT W ARR ANT Y O F ANY KIND , EITH ER EX PRES S OR IMPLIED , INCLUDING, BUT NO T LIMITED TO , THE IMP LIED W ARRANTIES OF MERCHANT [...]

iii 4402-0 01 Tab le of Cont ents Safety Inf ormation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Prefac e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x General Informa tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Power Co[...]

iv Ser vic e Manual 4402-0 01 Removal P rocedu res . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -2 Releasi ng Plastic Latches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -2 Scanner Lid As sembly Remova l . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -3 Rear Cover Removal . . . . . . . . . .[...]

Safety Inf or mation v 4402-0 01 Safety Inf orma tion • This product is desi gned, t ested a nd approved to meet str ict global safety standa rds w ith the us e of sp ecific Lexmar k compon ents. The sa f ety features of so me par ts may not always be obvious. Lexmark is not r esponsi ble f or the us e of other repla cement par ts. • The ma int[...]

vi Ser vic e Manual 4402-0 01 Norme di sicurezza • Il prod otto è stato progettato, testato e appr ov ato i n conformit à a sev e ri s tandard d i sicure zza e per l ’ util izzo con c omponenti Lexmar k spec ifici. L e carat ter istich e di si cure zza di alcun e par ti non sem pre sono di immed iata c omprensio ne. Le xma rk non è respo nsa[...]

Safety Inf or mation vii 4402-0 01 P autas de Seguridad • Este pro ducto se ha dise ñ a do , ver ificado y aprobado para cum plir los m á s estr ictos est á ndares de s egur idad glo bal usando los c omponente s espe c í ficos d e Lexmark. Pue de que las car acter í sticas de s egur idad de al gunas pie zas no sea n siempr e e vi dentes. Lex[...]

viii Ser vice Ma nual 4402-0 01 Inf ormaci ó de Seguretat • Aquest produ cte est à d issenyat, comprovat i aprov at per ta l d'ac ompli r les estric tes no r mes de segur etat glob als amb la util ilitzac i ó de co mponen ts espec í fics de Le xmar k. Le s cara cter í stiques de s eguretat d'algunes peces pot s er que no sempre sig[...]

Safety Informat ion ix 4402-0 01[...]

x Ser vi ce Manual 4402-0 01 Preface This manual descr ibes the Lexmark X7 3 Scan/P rint /Copy (4402- 001) and conta ins main tenance pr ocedures for ser vice pe rsonnel only . It is divid ed into the f ollowin g chapters : 1. General Information cont ains a ge neral descr iptio n of the pr inter an d the maintenan ce appr oach us ed to re pair it.[...]

Gene r al Inf or mat i on 1-1 4402-0 01 1. General Information The Lexmar k X73 m achin e is an e lectro- mechani cal sc anner , pri nter , a nd cop ier that creates characters and graphics by compos ing programmed p atter ns of ink dot s using a pri nthead and liquid ink. Th e pri nthead uses sm all heate r plates and no zzles t o control i nk flo[...]

1-2 Ser vice Ma nual 4402-0 01 Scanner Specifica tions Scanner T yp e Flatbed, C CD Scan Mo des T rue Co lor: 48 Bit Internal (68. 7 Billion Colors) 24 Bit External (16 .7 Million C olors) Gra y Mod e: 12 Bits Inte r nal (4,09 6 Shades of Gra y) 8 Bits Ex ter nal (25 6 Shades of Gra y) T ext/Line Art: 1 Bit P er Pix el Scan Method One P ass Sca nni[...]

Gene r al Inf or mat i on 1-3 4402-0 01 Operator P anel Press this butt on: When you want to: Setu p Adju st your c opy and sc an set tings usin g the Scan & Cop y Control Prog r am on y our computer . Color Cop y Make a color cop y . Blac k Cop y Mak e a b lack and white cop y . Scan Press the scan b utton af ter selecting a Scan T o destinati[...]

1-4 Ser vice Ma nual 4402-0 01 Maintenance Approac h The dia gnostic informati on in this manual leads you to th e correct field r eplacea b le uni t (FR U) or p ar t. Us e the sy mptom index, ser vice checks, and diagno stic aid s to deter m ine the symptom and repai r the failure. After you co mplete the repair , perfor m tests a s nee ded to ver[...]

Diagno stic Informa tion 2- 1 4402-0 01 2. Diagnostic Information Start Use the s ymptom ta bles , se r vice c hecks , and diagn ostic aids in chapter three, to dete rm ine the pr inter failure. P ower -On Self T est (POST) Sequence Press th e power b utton to tur n m achine on . • P ower light tu r ns on. • The pa per feed motor r uns then sto[...]

2-2 Ser vice Ma nual 4402-0 01 POST Symp to m T able Symptom Ac tion No P ower or Status li ghts and no moto rs run. Go to the “ P ow er Servi ce Chec k ” on page 2-14 . I f oka y , go to th e “ Operator Pane l Pr oblems ” on page 2-3 . P aper feed gears do not turn Go to t he “ P a per Feed Serv ice Chec k ” on page 2-1 1 . Carrier doe[...]

Diagno stic Informa tion 2- 3 4402-0 01 Symptom Table s Locat e the symptom in the follo wing tab les and take the ap propri ate action. Carrier T ranspor t Pr oblems Maintenance Station Pr oblems Operator P anel Prob lems Symptom A ction • No carrier mov ement • Slow carrier mov ement • Carrier stops • Carrier slam s side f rame Go to the [...]

2-4 Ser vice Ma nual 4402-0 01 Printer Communica tion T able Scanner Pr oblems Symptom Action • Not ab le to print T est P age Check the USB cab le and s ystem board cab le connect ions. If oka y , replace s ystem board . Go to the “ Syst em Bo ard Removal ” on page 4-12 . Symptom Action • CCD does not mov e • Lamp doe s not lig ht Go to [...]

Diagno stic Informa tion 2- 5 4402-0 01 P aper Feed Prob lems Po w e r P r o b l e m s Print Qualit y Problems Symptom A ction • F ails to pic k paper • Pick s more th an one sh eet of paper • Pick s paper b ut fa ils to f eed • Pa p e r j a m s • Pa p e r fa i l s t o ex i t • Noisy pap er f eed Go to the “ P aper Feed Service Check [...]

2-6 Ser vice Ma nual 4402-0 01 Service Chec ks Carrier T ransport Service Chec k FRU Action 1 System Board Carrier T r ansport Motor Check the tran spor t carrier motor c onnector J4. If connecte d, chec k for a ppro ximate ly 28 v olts on pins 1 an d 2 or at th e wire conn ections l ocated o n the rear of t he tra nspor t carrier mo tor . If vo lt[...]

Diagno stic Informa tion 2- 7 4402-0 01 4 Encoder St rip Carrier with PCB Assemb ly Chec k the encoder s trip fo r proper in stallatio n. Also , chec k it f or w ear , dir t and grea se. Be sur e all p ri nth ea d co nnec tors are fu lly seate d. Chec k the cab les f or damage . If the encoder strip and all connecti ons are o kay , bu t the carrier[...]

2-8 Ser vice Ma nual 4402-0 01 CCD Module Asse mbly Service Check • The CCD (charged coupled device) Module will no t move during POST T est. • The CCD lamp does not come on when C CD module ass embly mov es . FRU Action 1 CCD Module Assembly If CCD module will no t move , go to the “ G ea r T rain Assembly Service Che ck ” on page 2-9 . No[...]

Diagno stic Informa tion 2- 9 4402-0 01 Gear T rain As sembl y Service Chec k CCD will not m ov e or s can. FRU Acti on 1 Gear T rain Assemb ly Disc onnect J5 a nd chec k the reading at pin 1 and 3 f or appro ximat ely 225.5 o hms. If the readi ng is incorre ct, replace th e gear tr ain assemb ly . Go to the “ Gear T rain Assem b l y Remo v al ?[...]

2-10 Se r vic e M anu al 4402-0 01 Maintenance Station Service Chec k The mai ntenance statio n has thr ee functi ons: 1. Wipes the pr inthead n ozzles to c lean them of dir t. 2. Provides a pl ace for printhe ads to fire all nozzle s, k eeping them clear prior to printing . 3. Seals the pr inthead wh en it is not being u sed to prev ent th e nozzl[...]

Diagno stic Infor matio n 2-11 4402-0 01 P aper Feed Service Chec k If your mach ine does not have paper jam pr oblems, continue wi th the ser v ice che ck. If your machine d oes have a paper jam pr oblem, ex ami ne it for the following before you begin the ser v ice check: • Check the ent ire pape r path for obstruc tions. • Be sur e there is [...]

2-12 Se r vic e M anu al 4402-0 01 2 P aper F eed Motor A noisy or ch attering motor or a motor that f ails to turn, can be cau sed by: • An open or shor t in the m otor • An open or shor t in the motor driv er on the system board • A bind in the paper f eed mec hanism With the pa per f eed moto r cable J3 disc onnected from the s ystem board[...]

Diagno stic Infor matio n 2-13 4402-0 01 Pa p e r Pa t h S e r v i c e C h e ck Examin e the ma chin e f or the f oll owing before you begin thi s ser vi ce check: • Check the ent ire pape r path for obstruc tions. • Be sure the correc t type of p aper is bei ng used. • Be sure the pr inter is instal led on a flat surface. FRU Action 1 Large [...]

2-14 Se r vic e M anu al 4402-0 01 P ower Se rvice Chec k FRU Action 1 External P ow er Supply Plug the e xter nal po wer supply into an o utlet. Check f or + 30 V dc. If v oltage is incorre ct, repl ace the pow er supply . 2 Printhead Cable P aper Feed Motor Carrier T r ansport Motor Opera tor P anel Unplug th e printer . Disconn ect the printhead[...]

Diagno stic Infor matio n 2-15 4402-0 01 Print Quali ty Servi ce Che c k FR U / Function Action 1 Printhead Car tri dge Be s ure the ma chine co ntains good print cartridges. 2 Color Printhead Car tridge Cr oss Contam ination Cross co ntam inati on of c olor inks re sult s in incorre ct colors printed, as when gr een prints f or yellow , ( when yel[...]

2-16 Se r vic e M anu al 4402-0 01 6 P aper F eed Ink sm udging an d smearing can be caus ed by paper pr oblems or prob lems i n the pape r fe ed area. Che ck the following : • Correct typ e of paper is bei ng us ed. Als o chec k the paper f or curl or wr inkles . • Fe ed rollers fo r wear , dir t, or loosenes s. • Gears f or wear or b inds. [...]

Diagno stic Infor matio n 2-17 4402-0 01 Scan/Cop y Quality Servic e Chec k FR U / Function Action 1 Scann ed im age s are f aded, or colors are dul l, blu rr y or fuzz y . Images are slanted or crook ed and the str aight lin es in the ima ge appear to be jag ged or une v en. Chec k the li ghter/dark er setting s to see if i t is correct . There ar[...]

2-18 Se r vic e M anu al 4402-0 01[...]

Diagnost ic Aids 3- 1 4402-0 01 3. Diagnostic Aids T est P age This test pr ints the test page. T o run a com plete te st page of black and color patter ns, be sure the pri nthead ca r tr idges ar e in good conditi on. T o enter the te st: 1. Open the a c cess co ver . 2. I nstall a known good blac k print c ar tr idge i n the r ight si de of th e [...]

3-2 Ser vice Ma nual 4402-0 01[...]

Repair Inf or matio n 4-1 4402-0 01 4. Repair Information This cha pter explains how to make adjus tments to the pr inter and how to remove def ective par t s. Note: Read the following before handli ng electron ic par ts. Handling ESD-Sensitive P ar ts Many electro nic prod ucts us e par ts that are k nown to be sen sitive to electros tatic dis cha[...]

4-2 Ser vice Ma nual 4402-0 01 Adjustments The use r is dir ected, in the Pr inter Co ntrol pr ogram, to perform the pri nthead ali gnment adjustme nts after re placing a pr int ca r tr idge. Remo val Pr ocedures The following pro cedures ar e arranged a ccording to the name o f the printe r part discus sed. CA UTION: Unplug the power cor d before [...]

Repair Inf or matio n 4-3 4402-0 01 Scanner Lid Assembl y Remo v al 1. Op en the li d. 2. Li ft a nd r emo ve . Rear Cover Remo v al 1. Remove two scre ws [A] from th e rear cover . 2. De pres s two latche s [B] on the bo ttom of t he rear cover . 3. Lift the rear cov er and r emov e[...]

4-4 Ser vice Ma nual 4402-0 01 Operator P anel Remov al 1. Remove the scanner lid. 2. Remove the rear cover . 3. Disconnec t the o perator panel cable from the system boa rd. 4. Depres s two latche s on the l eft side o f the ope rator panel. 5. Lift the o perator pa nel and remove. T op Housing Assembl y Remo val 1. Remove the scanner lid. 2. Remo[...]

Repair Inf or matio n 4-5 4402-0 01 CCD Module Assembly Remo val 1. Rem ov e the rear cov er . 2. Dis connect t he CCD cable from th e system bo ard. 3. Remove the top ho using as sembly . 4. De pres s the sha ft reta in er [A] . 5. Lift and remove the shaft. 6. Remove the belt from pull eys. 7. Lift and remove the CCD modul e.[...]

4-6 Ser vice Ma nual 4402-0 01 Gear T rain Asse mb l y Remo v al 1. Remove the CCD module as sembly . 2. Disconnec t the g ear train assem bly cable from the s ystem board. 3. Remove two scre ws [A ] . 4. Lift and remove the gear train ass embly . Access Cover Senso r Remov al 1. Remove the top hous ing asse mbly . 2. D isc o nne ct t he ac cess co[...]

Repair Inf or matio n 4-7 4402-0 01 Right Cove r Remov a l 1. Rem ov e the rear cov er . 2. De pres s two latche s [A] . 3. Remove the r ight cover . Access Cover Remov al 1. Rem ov e the rear cov er . 2. Remove the r ight cover . 3. Depr es s the acc ess cover hing e. 4. Rem ov e the acce ss co ve r .[...]

4-8 Ser vice Ma nual 4402-0 01 Left Cover Remo val 1. Remove the rear cover . 2. Depres s two latche s [A] . 3. Remove the left cove r .[...]

Repair Inf or matio n 4-9 4402-0 01 Middle Frame Remov al 1. Remove the sca nner lid as sembly . 2. Rem ov e the rear cov er . 3. Remove the top ho using as sembly . 4. Dis connect the opera tor pane l and CC D cables from the system board. 5. Remove left and right cov ers. 6. Remove the operat or panel assembly . 7. Remove the two screws [A] .[...]

4-10 Se r vic e M anu al 4402-0 01 8. Depres s the two cli ps [B] and sli de the midd le frame forward to remov e.[...]

Repair Informat ion 4-11 4402-0 01 Print Engine Remo v al 1. Rem ov e the rear cov er . 2. Remove the top ho using as sembly . 3. Remove the left cover . 4. Remove the r ight cover . 5. Remove the middle frame. 6. Move carr ier to the center . 7. R em ove thre e sc rews [B] . 8. Sli de the pr int en gine forward and rem ov e.[...]

4-12 Se r vic e M anu al 4402-0 01 ASF Module Remov al 1. Remove the print e ngine. 2. Remove three screws [A] . 3. Remove the ASF modu le. Syste m Boar d Remo va l 1. Remove the print e ngine. 2. Remove the ASF modu le. 3. Disconnec t the trans por t and paper feed motor cables from the syste m board. 4. Remove the f our screws. 5. Remove the syst[...]

Repair Informat ion 4-13 4402-0 01 Carrier Remo val 1. Rem ov e the rear cov er . 2. Remove the top ho using A ssembly . 3. Remove the left and righ t cov ers. 4. Dis connect t he carr ier ca ble from the sys tem boar d. 5. L oosen the set screw on the carr ier be lt tensio ner . 6. Depr ess the belt tensi oner and remov e the b elt from t he trans[...]

4-14 Se r vic e M anu al 4402-0 01 Maintenance Station Remo val 1. Remove the middle frame asse mbly . 2. Remove the print e ngine. 3. Depres s the two cli ps [A] . 4. Remove the maintena nce stati on. Belt/Idler Pulle y Assembl y (Print Engine) Remo val 1. Remove the middle frame. 2. Slide the carr ier to the l eft. 3. Loosen the belt ten sioner a[...]

Connecto r Locations 5- 1 4402-0 01 5. Connecto r Locations Unit s Description J2 Pr inthead C able J3 Pape r F eed Motor J4 Carr ier T ran spor t Motor J5 Scanner Motor J6 Operator P anel J7 CCD Mod ule J9 Cover Sensor PS1 End-of-F or ms Sensor[...]

5-2 Ser vice Ma nual 4402-0 01[...]

Prev entive Main tenance 6- 1 4402-0 01 6. Preventive Maintenance This cha pter con tains the lubr ication specifi catio ns. F ollow these recomm endations to prev en t problems an d maintai n optimum perform ance. Lubrication Specifications Lubr icate on ly when pa r ts are replaced or as ne eded, n ot on a schedu led basi s. Use greas e P/N 99A 0[...]

6-2 Ser vice Ma nual 4402-0 01[...]

Pa r t s C a t a l o g 7- 1 4402-0 01 7. P ar ts Catalog How to Use This P ar ts Catalog • SIMILAR ASSE MBLIES : If two assem b lies con tain a maj orit y of identic al par ts, they are s hown on the s ame list. Common par t s are s hown by one index number . Par ts pecu liar to o ne or the other o f the asse mblies are l isted sepa rately and id[...]

7-2 Ser vice Ma nual 4402-0 01 Assemb ly 1: Co ver s[...]

Pa r t s C a t a l o g 7- 3 4402-0 01 Assembly 1: Covers Asm- Index Par t Number Units Des cription 1 – 1 12G 61 41 1 Cov e r Asse mbly , Rear – 2 12G6140 1 F e lt P ad Assembl y – 3 12G6138 1 Base Ass embl y – 4 12G6 135 1 Co v er , Right – 5 12G6133 1 Cov er , Access with La tch – 6 12G6175 1 P aper Exit T ra y – 7 12G 613 4 1 Cover[...]

7-4 Ser vice Ma nual 4402-0 01 Assemb l y 1 (con t.): Cover s[...]

Pa r t s C a t a l o g 7- 5 4402-0 01 Assembl y 1 (con t.): Co ver s Assembly 1: Covers Asm- Index Par t Number Units Des cription 1 – 1 12G6 171 1 Sc anner Lid A ssembl y – 2 12G6174 1 P aper Suppo r t ASF – 3 12G 6126 1 T op Hous ing As sembly – 4 12G6 122 1 Middle F rame Ass em b l y – 5 12G6150 1 Belt, Scan ner[...]

7-6 Ser vice Ma nual 4402-0 01 Assemb ly 2: Paper Feed, Frame and Carri er T ransport[...]

Pa r t s C a t a l o g 7- 7 4402-0 01 Assembl y 2: P aper Feed, Frame and Carrier T ransport Asm- Index Par t Number Units Des cription 2 – 1 12G 6121 1 AS F Modu le – 2 12G6120 1 Printing En gine – 3 12G6151 1 Encoder Strip w ith Clip – 4 12G 612 3 1 Idle r Pul ley Ass embly – 5 12G6149 1 Belt, Carrier – 6 12G6 154 1 M aintenance St at[...]

7-8 Ser vice Ma nual 4402-0 01 Assemb ly 3: Electr onics[...]

Pa r t s C a t a l o g 7- 9 4402-0 01 Assemb l y 3: Electr onics 3 – 1 12G6177 1 CCD Module Assembly with Ca ble NS 12G 61 2 4 1 CCD Module Assembly NS 12G6176 1 CCD Cable – 2 12G6125 1 Gear T r ain Assemb ly – 3 12G6 172 1 O perator P anel As semb ly NS 12G6 173 1 O perator P anel O verla ys – 4 12G6170 1 Board, S ystem – 5 12G6 137 1 Se[...]

7-10 Se r vic e M anu al 4402-0 01[...]

I-1 4 40 2 - 0 01 Index A Abbrevia tions 1-4 Adjustm ents 4-2 B Black Cop y button 1-3 Button Black C opy 1-3 Color Copy 1-3 Paper Feed 1-3 Power 1-3 Scan 1-3 Scan To 1-3 Scan To E-mail 1-3 Scan To Fax 1-3 Setup 1-3 C Color Co py button 1-3 Connecto r Location s 5-1 E ESD-Sensitive Parts 4-1 L Lubrica tion Speci fications 6-1 M Mainten anc e Appro [...]

I-2 Ser v ic e Manual 4 40 2 - 0 01 S Safety In formation 1-v Scan but ton 1-3 Scan To b utton 1-3 Scan To E -mail b utton 1-3 Scan To F ax button 1-3 Service Checks Carrier Transport 2-6 CCD Module Asse mb ly 2-8 Gear T r ain As sembl y 2-9 Paper Fee d 2-11 Paper Path 2-13 Power 2-14 Prin t Qua lity 2-15 Setup Butto n 1-3 Specific ations Scanner 1[...]