Lexmark 500n manuale d’uso

Lex mark ™ C500n 5023-110 • T able of contents • Star t dia gnostics • Safety and notices • T rademarks •I n d e x Lexmark and Le xmark with diamond desi gn are trademarks of Lexmark Inter national, Inc., registered in the United States and/or other countries.[...]

Edition: April 28, 2006 The following paragrap h does not apply to a n y countr y where such p ro visions are in consistent with local law : LEXMARK INTERNA TIONAL, INC . PRO VIDES THIS PUBL ICA TION “AS IS” WITHOUT W ARRANTY OF ANY KIND , EITHER EXPRESS OR IMPLIED , INCLUDING, BUT NO T LIMITED T O , THE IM PLIED W ARRANTIES OF MERCHANT ABILITY[...]

iii 5023-110 Table of contents Laser notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

iv Ser vice Manual 5023-110 Control system structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 35 Electrical system and function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-35 Control of print pr oce[...]

v 5023-110 Printer paper feed ser vice check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-41 Print quality service checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 2 Background service check . . . . . . . . . [...]

vi Ser vice Manual 5023-110 Waste toner bo ttle removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 Photodeveloper ca rtridge rem oval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 Secondary paper f eed assembl[...]

vii 5023-110 Engine controller board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Low voltage power su pply (LVPS) boa rd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 High voltage power supply (HVPS) board . . . . . . [...]

viii Ser vice Manual 5023-110[...]

Laser notices -ix 5023-110 Laser notices The f ollo wing laser notice labels ma y be affix ed to this printer as shown: Laser advisory label[...]

-x Ser vice Manual 5023-110 Class 1 Laser st atement label XXXXXXXX2004 XXXXXXXX2004 X X X X X X X X 2 0 0 4[...]

Laser notices -xi 5023-110 Laser notice The printer is cer tified in the U .S. to conf or m to the requirements of DHHS 21 CFR Subchapter J f or Class I (1) laser products , and else where is certified as a Class I laser product conf or ming to the requirement s of IEC 60825-1 . Class I laser products are no t considered to be hazardous. The printe[...]

-xii Ser vice Manual 5023-110 A vis relatif à l’utilisation de laser P our les Etats-Unis : cette imprim ante est cer tifiée conforme aux provisions DHHS 21 CFR alinéa J concernant les produits laser de Classe I (1). P our les autres pa ys : cette imprimante répond aux normes IEC 60825- 1 relatives aux produits laser de Classe I. Les produit [...]

Laser notices -xiii 5023-110 A visos sobre el láser Se cer tifica que, en los EE.UU ., esta impresora cumple los requisitos para los productos láser de Clase I (1) estab lecidos en el subcapítulo J de la no r ma CFR 21 del DHHS (Departamento de Sanidad y Ser vicios) y , en los demás países , reúne todas las cond iciones e xpuestas en la no r [...]

-xiv Ser vice Manual 5023-110 Laserinf ormatie De printer vold oet aan de eisen die gest eld worden aa n een laser produkt v an klasse I. V oor de V e renigde Staten zijn dez e eisen v astgelegd in DHHS 21 CFR Subchapter J , vo or andere landen in IEC 60 825-1. Laser produkten va n klasse I worden niet als ongev aar lijk aangemer kt. De printer is [...]

Laser notices -xv 5023-110 Huomautus laserlaitteesta Tämä kirjoitin on Yhdysv alloissa luokan I (1) laserlaitteiden DHHS 21 CFR Subchapter J -määrityksen mukainen ja m uualla luokan I laserlaitteiden IEC 6 0825-1 -määrityksen m ukainen. Luokan I laserlaitt eiden ei katsota ole v an v aarallisia käyttäjälle. Kirjoitt imessa on sisäinen lu [...]

-xvi Ser vice Manual 5023-110 Laser -melding Skriveren er god kjent i USA etter kra v ene i DHHS 21 CF R, underkapittel J, f or kl asse I (1) laser produkter , og er i an dre land godkje nt som et Klasse I-la ser produkt i samsv ar med kra vene i IEC 6 0825-1. Klasse I-laser pro dukter er ikke å betrakte som farlige. Skr iveren inneholder inter nt[...]

Laser notices -xvii 5023-110 Chinese laser notice K orean laser notice[...]

-xviii Ser vice Manual 5023-110[...]

S afe t y in fo r m a t io n -xix 5023-110 Safety inf ormation • The safety of this product is based on testing and approv als of the or iginal design and specific components. The manuf acturer is not responsib le for saf ety in the ev ent of use of unauthorized replacement par ts. • The maintenance information for this product has been prepare[...]

-xx Ser vice Manual 5023-110 Sicherheitshinwei se • Die Sicherheit die ses Produkts basier t auf T e sts und Zulassungen des ursprünglichen Mode lls und bestimmter Bauteile. Bei V erw endung nicht genehm igter Ersatzteile wird vom Hersteller keine V erantwortung oder Haftung für die Sicherheit übern ommen. • Die W ar tungsinformationen für [...]

S afe t y in fo r m a t io n -xxi 5023-110 Inf ormació de Seguretat • La seguretat d'aquest producte es basa en l'avaluació i aprov ació del disseny origi nal i els components específics. El f abricant no es fa responsable de les qüestions de seguretat si s'util itz en peces de recanvi no autoritzades. • La informació pel m[...]

-xxii Ser vice Manual 5023-110 Preface This manual contains mainte nance procedures for servic e personnel. It is divided into the follo wing chapters: 1. General inf ormation contains a general description of the pr inter and the maintenance approach used to repair it. Special tools and test equipment, as well as general environmental and saf ety [...]

General inf or mation 1-1 5023-110 1. General inf ormation This Le xmark™ C500 color laser printer is the ideal printer f or presentations, b usiness g raphics , line art, and te xt. It uses laser di ode electrophotog raphic tech nolog y to deliv er remarkab le quality print images and te xt. The printer can be used as a shared netw ork or deskto[...]

1-2 Ser vice Manual 5023-110 Serial number Look f or serial number inf or mation on the right co v er and the inside of th e front co ver of you r printer . XXXXXXXX2004 XXXXXXXX2004 X X X X X X X X 2 0 0 4[...]

General inf or mation 1-3 5023-110 Acron yms ASIC Application-Specific Integrated Circuit DPI Dots P er Inch DRAM Dynamic Random Access Memory EP Electrophotographic Process ESD Electrosta tic Discharge FR U Field Replaceable Unit HV High V oltage HVPS High V oltage P ow er Supply LAN Local Area Network LASER Light Amplificatio n by Stim ulated Emi[...]

1-4 Ser vice Manual 5023-110 Specifications Resolution 600 x 600 dpi 2400 image qualit y Model differences T echnical specifications Color Balance Settings This printer off ers color balance control. It is a color correction op tion that allo ws you to increa se or decrease t he amount of toner going t o the page f or the cy an, magenta , y ellow a[...]

General inf or mation 1-5 5023-110 Operating clearances P ac kaging and sh ipping dimensions Print speed and performance Time to fir st print Proce ssor ARM-9, 200 MHz Printer sides C500n C500n with 530-sheet tray Left side 8 in (203 mm) 8 in (203 mm) Right side 20 in (508 mm) 20 in (508 mm) F ront 28 in (711 mm) 28 in (711 mm) Rear 10 in (254 mm) [...]

1-6 Ser vice Manual 5023-110 Duty cyc le Maximum duty cycle-35,000 pages (one mo nth's usage) Printer memory Memory configuration P aper and media specifications Print area The printabl e area is up to 4.0 mm (0.158 in.) fr om the top and botto m of the media, and up to 3.0 mm (0.118 in.) from the left and right edges. An y info r mation place[...]

General inf or mation 1-7 5023-110 Media input types and weights Source T ype Standard tra y Legal tray 530-Sheet tra y Printer menu Item P aper type P aper weight Pa p e r 1,2 (grain long) Xerographic or bond paper 60-74 g/m 2 (16-19 lb) 60-74 g/m 2 (16-19 lb) Plain paper Light Xerographic or bond paper 75-120 g/m 2 (20-32 lb) 75-120 g/m 2 (20-32 [...]

1-8 Ser vice Manual 5023-110 Media sizes Output capacity b y media and sour ce Media guidelines P aper designed for use with x erogr aphic copiers should pr ovide satisf actor y print quality and f eed reliability . Other media types ma y be suitable . W e recommend that users test any par ticular brand f or suitability to their applications . Ref [...]

General inf or mation 1-9 5023-110 Pa pe r • Rough, highly te xtured, limp , or pre-curled papers will res ult in low e r print quality and more frequent paper f eed failures . • Colored papers m ust be ab le to withstand 338°F (17 0°C) fusing temperat ure. • Preprinted f orms and letterheads should be selected usin g guidelines in the prin[...]

1-10 Ser vice Manual 5023-110 Sensing by source Connectivity Cables P erso nal computer s • F or USB attachment, a USB cab le (P/N 12A2405) is recommended and must be or dered separat ely . Operating syst ems This printer is compatible with app lications r unning under the f ollowing o perating systems for either local or network connections: App[...]

General information 1-11 5023-110 Internal Print Servers The standard Ethe r net connection an d optional N2100 Series print ser v ers suppor t the f ollowing protocols: • TCP/IP—The TCP/IP stand ard set o f application services are supported including DHCP , BOO TP , WINS, SNMP (mib-2, host resources MIB, printe r MIB, enterpr ise MIB, SNMP tr[...]

1-12 Ser vice Manual 5023-110 P ower and electrical specifications En vironment Printing st ates C500n Off 0 W A verage power while printing Continuous printing 670 W Power consumpt io n, standby P ower sa v er on 35 W P ower sa ver off 2 00 W Maximum current while printin g 115 V olts 11 A 230 V olts 6 A A verage current while prin tin g 115 V o l[...]

General information 1-13 5023-110 Printer identification P ower s witch T op cov er assembly Rear cov er assemb ly Release le v er Right cov er P aper tra y F ront cov er P aper stopper Operato panel/cov er r F ront view Lef t cov er A C input inlet Back vie w Release le v er[...]

1-14 Ser vice Manual 5023-110 Printer theory of operation The f ollo wing diagr am shows the major parts of the printer and paper path.[...]

General information 1-15 5023-110 Printer paper path The f ollowing illustration sho ws the pap er path and the associated paper jam messages f or jams at specific points in the paper path. The printer depicted in th e illustr ation has a duple x un it and secondar y paper f eed assembly installed: Fuser Unit Transfer Roller Assy Registration Rolle[...]

1-16 Ser vice Manual 5023-110 Printer systems description See the illustration “Printer component systems” on pa ge 1-17 , f or more informa tion. Basic principles of color printing Color printing is made through the subtr activ e process of combining the t hree primar y colors: ye llow , magenta, a nd cy an. Mechanical and elect rical structur[...]

General information 1-17 5023-110 Printer component systems[...]

1-18 Ser vice Manual 5023-110 Basic process of color printing 1. This printer has a toner car tridge f or each color — y ellow , mage nta, cya n, and blac k. 2. The toner image is de veloped with primar y colors and then tran sf erred to the tr ansf er belt for color combination. 3. The toner image f or med on the tr ansfer belt is t ransf erred [...]

General information 1-19 5023-110 Print system and transfer system This illustration shows the basic stru cture of the pr int system having the OPC belt as a main function, and the transfer system including the transf er belt. A colo r print is accomplished by actuat ing each proc ess in the print sys tem and the transfer system.[...]

1-20 Ser vice Manual 5023-110 Structure of O PC belt (photo developer cartridge) The OPC belt consists of a surf ace lay er ha ving an optical ph otoconductor (OPC) of or ganic material, the inner lay er consists of an insulator ma terial (PET ), and the alum inum deposit lay er in between. Th e OPC belt is a main par t of the print system.[...]

General information 1-21 5023-110 Basic structure of the print system The print system process consists of the f ollowing: 1. The OPC belt is biased to the -CBV(V) b y po wer supply CBV . 2. The OPC belt is then e v enly charged t o the negativ e high v oltage by the OPC charging syste m. The charging sys tem consists of a charging br ush that is b[...]

1-22 Ser vice Manual 5023-110 5. V ariation of the OPC belt potentia l: a. The OP C belt is biased to -CBV(V). b . The OPC belt surf ace is ev enly charged to -V o(V) during the charging process . c. During the e xposing process , the optical unit emits a laser beam that strikes the OPC belt surf ace f orming an electrostatic image. The electrostat[...]

General information 1-23 5023-110 Details of the print system Charging pr ocess In the charging pro cess, the OPC belt is e v enly charged b y the charger . See “Printer theory of operation” on page 1-14 f or charger unit location. The charger unit consists of a char ging brush and a discharge roller . 1. The charge brush charges the OPC belt s[...]

1-24 Ser vice Manual 5023-110 Exposing process In the e xposing pr ocess, the OPC belt su rf ace is e x posed t o the laser light which f orms an electrostatic latent image. The luminous source of the laser is a semiconductor laser . See “Printer theory of operation” on page 1-14 f or optical unit locat ion. The laser light scans the OPC belt, [...]

General information 1-25 5023-110 Developing pr ocess In the de veloping process , an electrostati c latent im age attr acts pr inter toner and beco mes visibl e on the OPC belt. There are f our toner car tridges. See “Printer theor y of operation” on page 1-14 for toner cartridges location. Th e toner car tr idges are located in the p rinter f[...]

1-26 Ser vice Manual 5023-110 3. De v eloping is proce ssed b y toner adhering to the OPC belt due to the attract ion betw een the tone r and the -VR(V) charge a t the e xposed area of OPC belt. The to ner image becomes visib le on the OPC belt. Note: No de v eloping tak es place on the non-e xposed area because the poten tial of toner and that of [...]

General information 1-27 5023-110 4. The toner image is th en transf erred to paper . Belt dischar ge (erase lamp) process Electrical belt cleaning is accomplished b y an erase lamp radi ating on the OPC belt. Radiation disch arges the residual charge - VR(V) remaining on the belt af ter the first transfer process. Electrica l cleaning occu rs afte[...]

1-28 Ser vice Manual 5023-110 The residual toner is co llected in a wast e toner container located by the w aste toner f eeder . OPC belt OPC belt cleaning (blade) First transfer OPC belt discharging (erase lamp)[...]

General information 1-29 5023-110 Details of the tr ansfer system Second transfer (paper) pr ocess In the second tr ansf er process, the toner ima ge on the tr ansf er belt is tr ansf erred to paper . See “Printer theory of operation” on page 1-14 f or second tran sf er rol ler locati on. The transf er roller , nor mally separate d from the tra[...]

1-30 Ser vice Manual 5023-110 T ransfer belt cleaning pr ocess The residual ton er on the surf ace of the transf er belt is remov ed after t he paper tr ansf er process. See “Printer th eory of opera tion” on page 1- 14 f or transf er belt cleaner unit location. The belt cleaner brush is a semiconductor- type fur br ush. The clean ing roller is[...]

General information 1-31 5023-110 Details of the optical system In the optical system process, the printer utilizes a se miconductor laser diode as a light source. This laser diode is contro lled b y f ast s wit ching which matches the transmitted imag e data (video signal) . The gener ated laser light scans the OPC b elt through a p olygon mirror [...]

1-32 Ser vice Manual 5023-110 Details of the paper transportation system In the paper tr anspor tation process , paper is auto matic ally f ed b y the pick-up roller and transpor te d to the registration roller . The registrat ion roller synchr onizes with t he transf er belt. The registrat ion roller tr anspor ts the paper to the tr ansf er roller[...]

General information 1-33 5023-110 Fusing unit The fusing unit utilizes a ther mal fusi ng system that contains a heated fusing roller and a belt-like bac kup roller . The heated roller contains an inn er heating element. The ba ck up roller contains th ree pressure members located behin d the belt. P aper carr ying a toner image passes betw een the[...]

1-34 Ser vice Manual 5023-110 Fusing process 1. When the paper rea ches the fuser , the toner image is transf erred on the paper , bu t not ye t fused to the paper . 2. The tran spor ted paper pa sses between the heated roller and the bac k-up roller . The heat ed roller’ s temperat ure is appro ximately 338°F (170°C). 3. When the paper with to[...]

General information 1-35 5023-110 Contr ol system structure Electrical syst em and function The engine board contr ols most of the main electrical par ts in this printer . Control of print process Control bl ock diag ram Note: A micro CPU mounted on the engine board controls t he print processes. No. Control process Function 1 Print process control[...]

1-36 Ser vice Manual 5023-110 Print sequence diagram[...]

General information 1-37 5023-110 Laser drive control cir cuit The laser drive co ntrol circuit (LDC) consists of a video signal input circuit, laser drive circuit , laser diode, output sensing circuit, and output control circuit. See the illustration. 1. When the video signal is rece ived, the laser d rive control circuit s witches th e laser diod[...]

1-38 Ser vice Manual 5023-110[...]