Lexmark 250d - E B/W Laser Printer Page 124 Service Manual Download

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4-32

Lexmark™ E250d and E250dn

4512-220, -230

Manual feed solenoids

Remove the duplex unit. See

“Duplex removal” on page 4-18

Extract the solenoid cable to a point close to the left side as possible.

Remove the main motor drive. See

“Main motor drive removal” on page 4-28

Remove the auto comp clutch. See

“Auto comp clutch removal” on page 4-10

Remove the three screws (A).

Remove the manual feed solenoids.

Summary of Contents for 250d - E B/W Laser Printer

Page 1: ...12 230 Table of contents Start diagnostics Safety and notices Trademarks Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or other countries Edition July 2 2008 ...

Page 2: ... ii 6000 XXX ...

Page 3: ...iii ...

Page 4: ... any obligation to you References in this publication to products programs or services do not imply that the manufacturer intends to make these available in all countries in which it operates Any reference to a product program or service is not intended to state or imply that only that product program or service may be used Any functionally equivalent product program or service that does not infri...

Page 5: ...Diagnostic information 2 1 Start 2 1 Power On Self Test POST sequence 2 2 Light patterns and error messages 2 2 Common primary light patterns 2 3 Primary codes 2 4 Common secondary light patterns 2 12 Secondary error codes 2 14 Service codes 2 23 Messages and error codes 2 29 User attendance messages 2 29 Paper jam error codes 2 29 Service error codes 2 33 Diagram of the printer menus 2 36 Symptom...

Page 6: ...e menu 3 1 Configuration menu selections 3 4 Utilities 3 4 Setup 3 5 Parallel 3 5 USB 3 6 Network 3 7 Diagnostics mode selections 3 8 Adjustment procedures 3 9 Repair information 4 1 Handling ESD sensitive parts 4 1 Removal procedures 4 1 Locations and connections 5 1 Locations 5 1 Front view 5 1 Rear view 5 1 Controller card connector pin values 5 2 Connectors 5 4 Preventive maintenance 6 1 Safet...

Page 7: ...r oder bei ordnungsgemäßer Wartung durch den Kundendienst Laserbestrahlung die Klasse I übersteigen würde Menschen keinesfalls erreicht Avis relatif à l utilisation de laser Pour les Etats Unis cette imprimante est certifiée conforme aux provisions DHHS 21 CFR alinéa J concernant les produits laser de Classe I 1 Pour les autres pays cette imprimante répond aux normes IEC 60825 1 relatives aux prod...

Page 8: ...neto de potássio de 5 milliwatts operando numa faixa de comprimento de onda entre 770 e 795 nanómetros O sistema e a impressora laser foram concebidos de forma a nunca existir qualquer possiblidade de acesso humano a radiação laser superior a um nível de Classe I durante a operação normal a manutenção feita pelo utilizador ou condições de assistência prescritas Laserinformatie De printer voldoet a...

Page 9: ...nns risk för att någon person utsätts för laserstrålning över Klass I nivå vid normal användning underhåll som utförs av användaren eller annan föreskriven serviceåtgärd Laser melding Skriveren er godkjent i USA etter kravene i DHHS 21 CFR underkapittel J for klasse I 1 laserprodukter og er i andre land godkjent som et Klasse I laserprodukt i samsvar med kravene i IEC 60825 1 Klasse I laserprodukt...

Page 10: ...x Lexmark E250d and E250dn 4512 220 230 ...

Page 11: ...nsignes d entretien et de réparation de ce produit s adressent uniquement à un personnel de maintenance qualifié Le démontage et l entretien de ce produit pouvant présenter certains risques électriques le personnel d entretien qualifié devra prendre toutes les précautions nécessaires ATTENTION Ce symbole indique la présence d une tension dangereuse dans la partie du produit sur laquelle vous trava...

Page 12: ...ión sobre el mantenimiento de este producto está dirigida exclusivamente al personal cualificado de mantenimiento Existe mayor riesgo de descarga eléctrica y de daños personales durante el desmontaje y la reparación de la máquina El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias PRECAUCIÓN este símbolo indica que el voltaje de la parte del equipo con l...

Page 13: ...t producte està orientada exclusivament a professionals i no està destinada a ningú que no ho sigui El risc de xoc elèctric i de danys personals pot augmentar durant el procés de desmuntatge i de servei d aquest producte El personal professional ha d estar ne assabentat i prendre les mesures convenients PRECAUCIÓ aquest símbol indica que el voltatge de la part de l equip amb la qual esteu treballa...

Page 14: ...ments and removing and installing FRUs 5 Connector locations uses illustrations to identify the connector locations and test points on the printer 6 Preventive maintenance contains the lubrication specifications and recommendations to prevent problems 7 Parts catalog contains illustrations and part numbers for individual FRUs Appendix A contains service tips and information Appendix B contains rep...

Page 15: ...nute on letter size paper 29 ppm on A4 25ppm on legal E250dn 32MB memory standard a parallel USB universal serial bus connector ENA support for USB and or parallel ports and prints 30 pages per minute on letter size media 29 ppm on A4 25ppm on legal Maintenance approach The diagnostic information in this manual leads to the correct field replaceable unit FRU or part Use the error code charts sympt...

Page 16: ...and two buttons Following a common error light sequence Press and release Continue to resume printing after correcting error such as a paper jam Press and release Continue twice quickly to display a secondary error code following an error Press and release Cancel to cancel the job currently printing Press and hold Cancel until all of the lights come on to reset the printer ...

Page 17: ... 1 Media Size 4512 220 Lexmark E250d 4512 230 Lexmark E250dn Letter 8 5 x 11 in 30 ppm 30 ppm A4 210 x 297 mm 29 ppm 29 ppm Legal 8 5 x 14 in 25 ppm 25 ppm Speed measured on media from tray 1 simplex and at 600 x 600 dpi Resolution 4512 220 Lexmark E250d 4512 230 Lexmark E250dn 1200 Image quality 2400 Image quality 1200 x 1200 dpi n a n a 600 x 600 dpi 1200 Image quality defined as 600 dpi with 2 ...

Page 18: ...t tray optional optional Dust cover optional optional Toner and photoconductor Toner cartridge 1 500 standard pages SWE 3 500 standard pages after market 1 500 standard pages SWE 3 500 standard pages after market High yield toner cartridge n a n a Photoconductor kit Up to 30 000 Up to 30 000 Declared value in accordance with ISO IEC 19752 Based on approximately 5 coverage actual yield may vary ...

Page 19: ...ocal connections Parallel IEE 1284 Bi Di USB Standard network connections Ethernet 10 100 Base TX n a Optional local connections External print server support n a Option slots Memory slots 100 pin DIMM 1 1 Flash memory option card 2 2 TheE250d and E250dn products are USB 2 0 certified devices supporting hi speed 480MB sec data transfer Linux support for E250d and E250dn model is utilizing the PCL ...

Page 20: ...5 DL Minimum feed size 76 X 127mm Universal max paper 216 X 357mm legal size Single sided paper labels are supported for the occasional use of less than 20 pages per month They must exit through the rear door Labels such as vinyl labels pharmacy labels or dual sided labels are not supported For 20 lb print material unless otherwise noted A6 long grain media supported short grain A6 not supported 4...

Page 21: ...ut sensor D E 49 0 E Transfer roll E F 110 7 F Fuser F G 26 9 G Fuser exit rolls G H 6 2 H Fuser exit sensor H I 127 2 I Exit rolls I J 26 4 J Exit sensor I K 217 4 K Duplex unit K L 102 5 L Duplex sensor L M 16 2 M Auto compensator M B 178 9 Measurements are approximate paper lengths millimeters Sensors are measured at rotation position which they are tripped ...

Page 22: ... printing Wait for a Load Paper light sequence Before loading transparencies fan the stack to prevent sheets from sticking together Do not use envelopes that Have excessive curl Are stuck together Are damaged in any way Contain windows holes perforations cutouts or embossments Have metal clasps string ties or metal folding bars Have postage stamps attached Have any exposed adhesive when the flap i...

Page 23: ...BP Host Based Printing HVPS High Voltage Power Supply LCD Liquid Crystal Diode LED Light Emitting Diode LSU Laser Scanning Unit LVPS Low Voltage Power Supply NVRAM Nonvolatile Random Access Memory PC Photoconductor PCL Printer Control Language POR Power On Reset POST Power On Self Test PPDS Personal Printer Data Stream PRC People s Republic of China PSO Participating Standards Organization RIP Ras...

Page 24: ...1 10 Lexmark E250d and E250dn 4512 220 230 ...

Page 25: ... and diagnostic tools to aid in providing corrective action for a malfunctioning printer To determine the corrective action to repair a printer look for the following information A description of a problem see Symptom tables on page 2 37 Information from the operator panel of the printer Models E250d and E250dn have an operator panel containing lights and buttons Warning Paper clips are commonly u...

Page 26: ...patterns and error messages User attendance messages paper jam errors and service errors display a light pattern This may be all the information that is needed However if is double clicked on the panel a second pattern may appear with more detailed information If is double clicked again the first pattern usually returns Not all initial level light patterns have secondary patterns when double click...

Page 27: ...set printer 6 z z z z z z Load print media Tray 1 7 z z Load manual feeder 7 z Toner low 7 z z Toner cartridge region mismatch 8 z z Photoconductor kit life warning 8 z Replace photoconductor printer hard stop 8 z Programming engine code Programming system code 9 z z z Invalid engine code Invalid network code 9 z z Service error 9 Printer error 10 z z Paper jam printer error 10 z z Short media 10 ...

Page 28: ...Action Busy Wait for the message to clear Press and release Cancel to cancel the print job Press and hold Cancel to reset the printer Printing a directory a font list menu settings pages or Print Quality Test Pages Wait for the pages to print The Busy message is displayed as the pages print The Ready light is on when the printing stops Press and release Cancel to cancel printing Press and hold Can...

Page 29: ...rrupted print data The printer is processing data or printing pages but the resolution of a page in the current print job is reduced from 600 dots per inch dpi to 300 dpi to prevent a memory full error Action Wait until the control panel returns to Ready to print other jobs Press and release Cancel to cancel the print job Press and hold Cancel to reset the printer z Meaning The printer is not read...

Page 30: ... job Action Press and release Continue to clear the message and continue printing the job The job may not print correctly Press and release Cancel to cancel the print job Press Cancel to reset the printer z z z z z z Meaning The current print job is canceled The printer is resetting to the user default settings Any active print jobs are canceled A user default setting remains in effect until it is...

Page 31: ...ts to load a single sheet of print media in the manual feeder Action Load print media into the manual feeder Press Continue to resume printing Press Cancel to reset the printer z z Meaning The printer is ready to receive and process data In addition the toner in the toner cartridge is getting low Action Press and release Continue to clean the light sequence and continue processing the print job Tu...

Page 32: ...the printer z Meaning The photoconductor is almost full and should be replaced soon Note The Toner Alarm must be turned on in the driver for this message to appear The factory default is Off Action Press and release Continue to clear the light sequence and continue printing Replace the photoconductor kit z Meaning The photoconductor kit is full and must be replaced The printer will not print any m...

Page 33: ...he message to clear When the printer has finished programming the code it performs a soft reset z z Meaning The engine code and or the network code has not been programmed or has been programmed but is invalid Action Download valid engine code to the internal print server Meaning The printer has a service error and printing has stopped Action Press Continue twice to see the secondary code See Serv...

Page 34: ...ress Continue to clear the secondary message z z Meaning The printer has a paper jam Action Press Continue twice quickly to see the secondary error code Press Continue to resume printing once all the jammed pages are cleared from the paper path z z Meaning The media length is too short to print the formatted data This occurs when the printer does not know the print media size loaded in the way or ...

Page 35: ...Diagnostic information 2 11 4512 220 230 Output bin full Meaning The output bin is full Action Remove printed pages from the output bin Press Continue to clear the error code ...

Page 36: ...nces mean and where to go for help Secondary light sequences paper jams Printer Condition Page Paper jam at the input sensor 14 z z z Paper jam in the manual feeder 14 z z z z Paper jam between the input and exit sensor 14 z z z Paper jams at the exit sensor 14 z z z Paper jam in the 250 sheet tray 15 z z z z Paper jam in the 550 sheet drawer 15 z z z z Paper jam duplex 15 z z Paper jam duplex fro...

Page 37: ...mplex page 17 z z z Insufficient collation area 17 z z z Network interface errors 18 z z z Resource save off deficient memory 18 z z Font error 18 z z Insufficient defrag memory 19 z z ENA connection lost 19 z z Host interface disabled 19 z z Memory full 20 z z z z Short media 20 z z z z Invalid engine code 20 z z z Invalid network code 21 z z Toner cartridge region mismatch 21 z z Change toner ca...

Page 38: ...which can be either after the print media leaves the tray and enters the printer or in the manual feeder Action Clear the paper jam z z z z Meaning A paper jam has occurred at the manual feeder Action Clear the paper jam z z z Meaning A paper jam has occurred The jammed media is most likely in the fuser area under the toner cartridge assembly Action Clear the paper jam z z z Meaning A paper jam ha...

Page 39: ... 250 sheet tray Action Clear the paper jam z z z z Meaning A paper jam has occurred in the 550 sheet drawer Action Clear the paper jam z z Meaning A paper jam has occurred in the duplex unit Action Remove the tray open the duplex door and clear the paper jam z z Meaning A paper jam has occurred in the front of the duplex unit Action Remove the tray open the duplex door and clear the paper jam ...

Page 40: ...rea of the duplex unit Action Remove the tray open the duplex door and clear the paper jam z z Meaning A paper jam has occurred somewhere in the duplex unit Action Remove the tray open the duplex door and clear the paper jam Paper may also be inside the rear door z z Meaning A paper jam has occurred in the duplex unit due to an unsupported print media size Action Clear the paper jam ...

Page 41: ...er Setup Utility Install additional printer memory z z z Meaning The printer memory does not have the free space necessary to collate the print job This may happen due to one of these errors Memory is full A page is too complex to print A page is shorter than the set page margins Memory is insufficient to save what is in the buffer Action Press Continue to clear the message and continue printing t...

Page 42: ... print correctly z z z Meaning This error message indicates that too much memory has been allocated to link buffers or that some printer settings are using more memory than the default setting Action Add more memory change link buffers or reset the printer settings that have been changed z z Meaning The printer does not have enough memory to save the data in the buffer Action Install additional me...

Page 43: ...d hold Cancel to reset the printer To avoid this error in the future Simplify the print job Reduce the complexity of the page by reducing the amount of text or graphics on the page and deleting unnecessary downloaded fonts or macros Install additional printer memory z z Meaning The printer cannot establish communication with the network Action Press Continue to clear the code and continue printing...

Page 44: ...ics on the page and deleting unnecessary downloaded fonts or macros Install additional printer memory z z z z Meaning The media length is too short to print the formulated data This occurs when the printer does not know the print media size loaded in the tray or there is a problem feeding the print media Action Make sure the print media that is loaded is large enough Open the front door clear the ...

Page 45: ... match the geographic region of the installed toner cartridge Action Remove the toner cartridge and install a new toner cartridge that matches the region of the printer z z Meaning The toner in the toner cartridge is getting low or an invalid refill toner has been installed Action Press and release Continue to clear the light sequence and continue processing the print job Turn the printer off Remo...

Page 46: ...f Remove the toner cartridge and shake it to extend the life or replace the toner cartridge if it is defective Replace the toner cartridge Turn the printer back on z z z Meaning The toner cartridge is not supported by the printer Action Press and release Continue to clear the light sequence and continue processing the print job Turn the printer off Remove the toner cartridge and replace it with a ...

Page 47: ...ight pattern indicates a service error all flashing Double click for more information The secondary light pattern indicates a fuser toner sensor or fan error Double click for more information The tertiary light pattern indicates the fan has stalled Double click again and the original primary light pattern will appear Note The printer cannot directly determine that a fan has failed but can sense th...

Page 48: ...code Service secondary error codes Service secondary codes Light blinking Lights Primary code for service errors See service secondary error codes Lights 900 Software 900 Software 91x DC motor or transfer roll 92x Fuser or toner sensor 93x Printhead drive motor 94x LVPS service error 95x Controller card NCRAM ROM or NAND 96 RAM memory 97x Network ...

Page 49: ... Controller software Codes 90x indicate a controller software error illegal trap For the other errors which indicate a faulty programming process or faulty component on the controller card replace the controller card See Controller card removal on page 4 13 Service tertiary error codes controller software Transfer roll or tray 2 Code 914 indicates an error in tray 2 motor Replace the drawer Code 9...

Page 50: ... the corresponding part Service tertiary error codes fuser fan or toner sensor Lights Service secondary codes 92x Service tertiary codes fuser fan or toner sensor 920 Fuser below temperature when printing 921 Fuser below standby temperature at idle 922 Fuser failed to reach standby temperature 923 Fuser too hot during printing or idle 924 Open circuit in thermistor path 925 Incorrect fuser 927 Fan...

Page 51: ...the drive system motor Code 939 indicates a communication failure between the RIP and engine processors Service tertiary error codes printhead transport motor or RIP engine communicator Lights Service secondary codes 93x Service tertiary codes printhead transport motor or RIP engine communicator 930 Printhead error 931 Printhead error 932 Printhead error 933 Printhead error 934 Printhead error 935...

Page 52: ... card assembly Service tertiary error codes network error Lights Service secondary codes 95x Service tertiary codes NVRAM failure 950 Secure EEPROM data does not match NVRAM 951 Secure EEPROM failure 952 NVRAM CRC failure 954 NVRAM chip failure 955 Code ROM or NAND failed CRC 956 Processor failure 957 ASIC failure 958 NAND failure 959 SRAM failure Lights Service secondary codes 97x Service tertiar...

Page 53: ...tarted on the page at the input sensor within two inches after hitting the input sensor 200 04 The media at the input sensor before interrupt occurred not enough time elapsed since the printhead started to expect the printhead mirror motor lock Possible causes include bouncy sensor or exceptionally fast pick perhaps due to media pre staged in the source tray 200 06 Imaged page not expected page bo...

Page 54: ...k condition after media at the input sensor more time elapsed since the printhead than expected stable lock time but less than the printhead jitter stable specification 200 28 First writing line of a page at the developer nip but laser servo cleanup is not complete Likely pre staged media or a fast paper feed 200 29 Printhead drive control out of range due to an external event beyond what the cont...

Page 55: ...chine during warm up 202 25 Exit sensor never broke from the sheet ahead of the page heading toward the exit sensor when feeding out the media detected during warm up 202 26 Trailing edge never cleared exit sensor when feeding out media that was detected during warm up 202 32 Long media or shingled multi feed stopped before sending to duplex 231 00 Duplex jam while reversing into the device 231 01...

Page 56: ... 241 19 Second pick attempted failed from Tray 1 no pages printed since calling a 241 10 or a prior 241 19 242 00 Paper jam near tray 2 242 01 Took too long to ramp up dc feed motor 242 08 Received lots of dc feed interrupts before losing them 242 10 Second pick attempt failed from Tray 2 242 12 Second pick from manual feeder tray 1 or feeder failed when media was in the source other sheets were c...

Page 57: ...under temperature while printing 920 07 Fuser under temperature while printing 920 08 Fuser temperature did not increase after IR recovery 920 20 Belt fuser under temperature during steady state control This can occur in printing or standby modes 921 00 Under temperature during standby control 921 01 Fuser temperature did not reach standby temperature after two attempts 922 00 Fuser failed to ramp...

Page 58: ...cs 932 01 Lost hsyncs 933 00 Printhead boost signal failure 935 10 Printhead sweep error swept through Hz range without finding the resonant frequency 935 11 Printhead sweep error autosweep hw state 935 12 Printhead sweep error coarse sweep state 935 13 Printhead sweep error init fine sweep state 935 14 Printhead sweep error fine sweep state 935 15 Printhead sweep error check prelim amp state 935 ...

Page 59: ...hin timeout 936 05 Stall detected during speed control 937 00 Main transport motor lost lock 937 01 Main transport motor lost lock detected by engine control 937 02 Overspeed detected during position control 937 03 Overspeed detected during speed control Power supply service errors 940 00 LVPS service error 940 01 Line frequency outside allowed range of 45Hz 64Hz 940 02 Line frequency below 43Hz 9...

Page 60: ...emo Print Menus Print Net Setup Print Fonts Print Directory Print Demo Factory Defaults Hex Trace Quality Menu Print Resolution Toner Darkness PictureGrade Setup Menu Eco Mode Quiet Mode Printer Language Power Saver Resource Save Download Target Print Timeout Wait Timeout Auto Continue Jam Recovery Page Protect Print Area PCL Emul Menu Font Source Font Name Point Size Pitch Symbol Set Orientation ...

Page 61: ... page 2 40 POST completes except one or more lights do not come on See Operator panel service check on page 2 43 None of the lights come on See Operator panel service check on page 2 43 Main motor does not come on See Main motor service check on page 2 42 Fan does not come on See Cooling fan service check on page 2 40 Fuser does not cycle See Fuser service check on page 2 41 Fuser does not turn on...

Page 62: ...erlock switch service check on page 2 40 Operator panel button not responding See Operator panel service check on page 2 43 Operator panel lights are off or very dim See Operator panel service check on page 2 43 Blank page See Blank page on page 2 46 Black page See Black page on page 2 47 Heavy background See Heavy background on page 2 47 Light print See Light print on page 2 49 White or black lin...

Page 63: ...re plugged in correctly especially for the operator panel The printer will not power up without a functioning operator panel 4 The controller card assembly 5 The operator panel See Operator panel service check on page 3 43 Verify 24 V dc input from the LVPS HVPS 1 Turn the printer off 2 Disconnect the LVPS HVPS cable from the controller card at J19 3 Turn the printer on 4 Verify 24 V dc on positio...

Page 64: ...able from the controller card Turn the printer on Within a few seconds the controller card assembly should apply 24 V dc to pin 2 If voltage is present and the fan is not turning replace the cooling fan If the fan still doesn t function replace the controller card If voltage is not present check the controller card FRU Action Cover interlock switch Disconnect the cover interlock cable from the con...

Page 65: ...roximately 5V on pins 4 and 13 If voltages are not correct replace the LVPS HVPS If voltages are correct check the controller card See Controller card removal on page 4 13 Fuser service check FRU Action Fuser power cable LVPS HVPS Fuser Unplug the printer and disconnect the fuser cable plug from the LVPS HVPS board connector at PCN5 Check for continuity across the fuser by checking across the conn...

Page 66: ...Each card contains the printer settings When either of these cards is new it obtains the settings from the other card Settings are lost when both are new and replaced at the same time Turn off the printer and unplug the main motor cable at J17 Turn on the printer and check for the following voltages at J17 Verify ground at pin 5 for both the card and cable If these voltages are correct check the m...

Page 67: ...e printer on verify the following without disconnecting the cable Pins 1 3 5 and 6 3 3 v Pin 2 5 v Pins 4 and 7 GND If these are correct and the operator panel is not functioning replace the operator panel If any are incorrect see Controller card service check on page 3 39 Buttons If the buttons do not respond replace the operator panel There is no test or repair for the faulty switches FRU Action...

Page 68: ...ber tires on the ACM are installed and clean Replace the tires ACM drive clutch assemblies solenoids or drive shaft as necessary FRU Action Tray 1 Tray 2 option Check tray for media catch points If the sheet being fed stops momentarily the ACM applies additional vertical force causing additional sheets to feed Do not mix media types in one tray Paper pick tires Tray 1 or tray 2 Check the tires in ...

Page 69: ... Paper feed pick tires tray 2 Tray 1 Tray 2 option Check tires for debris If tires are new try reversing each on its hub Check side guides on Tray 1 and Tray 2 Guides set for a full stack of media may be too wide when the stack is short FRU Action Fuser This problem is most likely due to a worn backup roll It causes the printer to run hotter than required for the media being printed Excessive heat...

Page 70: ...s to the home state four top lights on 4 Use the test pages to isolate problems such as light or toner streaks See POST symptom table on page 2 37 for solutions to these problems To exit print quality test pages turn the printer off Note Refer to the print defects guide at the end of the manual for repeating defects Blank page FRU Action Toner cartridge not a FRU Remove the toner cartridge and gen...

Page 71: ...ns 8 and 9 of the cable Verify ground on pins 7 12 and 14 If the voltage is incorrect replace LVPS HVPS board If grounds are incorrect check ground paths Check confinuity in the cable Replace the cable if necessary If voltage is correct and the toner electrodes are good replace the controller card See the LVPS HVPS service check on page 2 42 and the Controller card service check on page 2 39 if ne...

Page 72: ...or drum Try a new PC Kit Transfer roll Note Do not touch the transfer roll except at its ends Place a sheet of paper over the roll to prevent damage from finger oils or hand lotion Check the springs in the left and right transfer roll bearings The bearing assemblies should support the transfer roll applying evenly distributed forces to the PC drum Replace the transfer roll assembly if the springs ...

Page 73: ...ng appears as light or dark horizontal lines on a uniformly gray page or on a page with a large area of graphics Banding is primarily due to a variation in the speed of the media as it feeds through the printer especially in the developer and transfer process It may also be a result of overly dry or moist environments With the printer off check to make sure that the laser beam is not blocked Inspe...

Page 74: ...ocked With the printer off clear the path or clean the lens The toner cartridge or fuser may be defective Try a different toner cartridge Inspect the fuser at its entry for debris Toner smudges appear on the front or back of the page Make sure the media is straight and unwrinkled Replace the PC Kit and recheck before replacing the toner cartridge See Toner on back of page on page 2 49 for more inf...

Page 75: ...toner Replace the toner cartridge Solid black areas on transparencies There is a mismatch in the transparency and what the software is expecting Choose a different fill pattern in the software program Remove the toner cartridge and gently shake it from side to side to redistribute the toner Try a different type of transparency Replace the toner cartridge Faint images or repetitive spots appear on ...

Page 76: ...tion between sheets is too high Remove the media from Tray 1 or Tray 2 and fan it Don t overfill Tray 1 or the optional Tray 2 see media capacities in the media types and sizes chart in the User s Reference The media fails to feed from Tray 1 Frictional force between tires and media is less than resisting force Remove the media from Tray 1 and fan it Make sure Tray 1 is selected from the printer d...

Page 77: ... on page 3 9 Turn the printer off Disconnect the printhead cables from J8 and J15 on the controller card Turn the printer on with the front door closed On the controller card verify 5 V dc on pin 10 at J8 and 5 V dc on pins 1 and 2 at J15 Verify grounds on pins 2 4 and 7 at J8 and on pin 4 at J15 If voltages or grounds are incorrect check the controller card See Controller card service check on pa...

Page 78: ...2 54 Lexmark E250d and E250dn 4512 220 230 ...

Page 79: ...ld to jump to home state top four lights on Press and release to move through the menu settings indicated by and lights This action rotates only through the possible settings of the selected menu item Enter Configuration Menu 1 Turn off the printer 2 Open the front access cover and turn on the printer while pressing and holding 3 Close the cover once the light displays The Configuration menu group...

Page 80: ...3 2 Lexmark E250d and E250dn 4512 220 230 Configuration Menu printout sample Note The light sequences change relative to the option on the printer ...

Page 81: ...Diagnostic aids 3 3 4512 220 230 Diagnostics mode printout sample Note The light sequences change relative to the options on the printer ...

Page 82: ...wnloaded resources fonts macros and symbol sets in printer memory RAM are deleted Resources in flash memory are unaffected Hex Trace Help isolate printing problems when unexpected characters print or characters are missing Hex Trace helps determine if there is a problem with the language interpreter or the cable by providing information about what the printer is receiving To exit Hex Trace turn of...

Page 83: ...ower Saver When off Power Saver will be off Off On default Menu item Use setting to Values NPA Mode Send print jobs to the printer and query printer status information simultaneously Off On Auto default Protocol Receive information at a much higher transmission rate if the printer is set to Fastbytes if the computer supports Fastbytes or receive information at a normal transmission rate if the pri...

Page 84: ...f On Auto default MAC Binary PS Configure the printer to process Macintosh binary PostScript print jobs Off The printer filters PostScript print jobs using Standard protocol On The printer processes raw binary PostScript print jobs from computers using the Macintosh operating system This setting often causes Windows print jobs to fail Auto default The printer processes print jobs from computers us...

Page 85: ...perating system This setting often causes Windows print jobs to fail Auto default The printer processes print jobs from computers using either Windows or Macintosh operating systems Set Card Speed Automatically detect the connection speed of the network This setting can be disabled to set the speed manually Auto default the printer detects current network speed 10Mbps half duplex forces the printe...

Page 86: ...f default On Defaults Change sizes and designations to metric U S default Non U S Cont Prt Simplex Tray 1 Continuously print pages containing cross lines printer information and margin settings Press and hold until the lights flash to begin Press to stop None Cont Prt Duplex Tray 1 Continuously print pages containing cross lines printer information and margin settings Press and hold until the ligh...

Page 87: ...A of Step 1 test page look for the position where the vertical lines are the closest to each other Press and release to change to the pattern adjacent to the closest lines 3 Press and release to move to the CA light sequences on the right side of the Step 1 test page 4 Press and release to change the light sequence for CA on the right side of the Step 1 test page Note Lights on off or flashing rep...

Page 88: ... the darkest portion of the vertical bar 7 Press and release to move to the CA light sequences on the right side of Step 2 test page 8 Press and release to change the CA light sequence to the number beside the darkest portion of the vertical bar See note on page 3 9 See note on page 3 9 z z BA See note on page 3 9 See note on page 3 9 z z CA z Step 2 printout sample only use actual sheet ...

Page 89: ...est portion of the vertical bar 11 Press and release to move to the CA light sequences on the right side of the Step 3 test page 12 Press and release to change the CA light sequence to the number beside the darkest portion of the vertical bar See note on page 3 9 See note on page 3 9 z z z BA See note on page 3 9 See note on page 3 9 z z z CA z Step 3 printout sample only use actual sheet ...

Page 90: ...The load remove paper light will be displayed to indicate that the final level of the menu has been reached 14 Verify that the overall darkest line across the page is 0 If not then run the alignment again 15 Turn the printer off to exit the printer alignment menu See note z Visual alignment printout sample only use actual sheet ...

Page 91: ...here are no adjustments for skew Check the pick roll paper pick assembly for wear the paper path for obstructions the fuser for proper setting and the tray paper guides for fit to the media To adjust the printhead 1 Enter the Diagnostics Menu See Diagnostics mode selections on page 3 8 2 Press and release to go to Cont Prt Simplex Tray 1 is on 3 Press and hold to print the first Cont Prt Simplex T...

Page 92: ...heck See the left side of the figure below If the grid lines of the left flap align below the corresponding lines of the right side adjust the printhead counterclockwise See the right side of the figure below 7 After obtaining a properly adjusted image on the paper tighten all three screws Note The printhead must be aligned electronically See Printhead assembly electronic adjustment on page 3 9 ...

Page 93: ... MFP cover or on a metal table if the ESD sensitive part needs to be put down for any reason first put it into its special bag Machine covers and metal tables are electrical grounds They increase the risk of damage because they make a discharge path from your body through the ESD sensitive part Large metal objects can be discharge paths without being grounded Prevent ESD sensitive parts from being...

Page 94: ... Loosen the four screws and remove the controller card cover 5 Disconnect the operator panel cable A from J3 on the controller card 6 Extract the cable and unhook the access cover by pressing the right hinge to the right until it can be lifted up and away from its pivot Relax the hinge above the pivot 7 In the same manner move the left hinge from its pivot point ...

Page 95: ...lt the front cover down and disconnect it on the left side from the link Warning Make sure that the link is not bent or pulled out farther than normal Otherwise the toner cartridge coupler may become dislodged 9 Remove the front access cover ...

Page 96: ...nt access cover 3 Open the rear door 4 Remove the screw A 5 Unlatch the cover from the latches B 6 Position the printer with the left rear corner hanging over the edge of the table 7 Swing the cover open 8 Lift the top rear of the cover over the pivot point and drop the cover away from the printer ...

Page 97: ...2 Open the front access cover 3 Open the rear door 4 Release the latches A and swing the cover open 5 Position the printer with the right rear corner hanging over the edge of the table 6 Lift the top rear of the cover over the pivot point and drop the cover away from the printer ...

Page 98: ...age 4 5 2 Remove the left side cover See Left side cover removal on page 4 4 3 Remove the two screws A 4 Open the rear cover 5 Lift the rear cover unhooking it from the frame at the bottom and remove Note In re installation check to make sure that the fuser ground cable is routed out of the way and is not pinched or damaged ...

Page 99: ...he left side cover See Left side cover removal on page 4 4 3 Open the rear door 4 Remove the two screws A from the two front corners on the top cover the two screws B from the two rear corners on the top cover and the screw C on the left side 5 Open the front cover 6 Remove the two screws D 7 Remove the controller card cover A B B C D ...

Page 100: ...top cover 11 Lift and remove the top cover Installation note Be sure to re route the cable back through the same hole Be sure that the ground strap aligns at screw C Verify the proper alignment of the top cover with the paper exit guide along the mating edges at the rear of the exit tray Verify that the rollers in the top cover contact the exit guide rollers at the top rear There are arrows under ...

Page 101: ... the auto comp clutch See Auto comp clutch removal on page 4 10 3 Use a spring hook or a small screwdriver to rotate the latch toward the bottom of the printer until it is pointing downward 4 Lay the printer on its top Be sure to protect it from marring 5 Raise the auto comp and unhook the counter balance spring A ...

Page 102: ...e left side cover See Left side cover removal on page 4 4 2 Remove the main motor drive See Main motor drive removal on page 4 28 3 Remove the screws A Note Resistance to loosening the screw may have to be applied to the shaft Use a finger or small screwdriver against the coupler behind the clutch 4 Remove the auto comp clutch A ...

Page 103: ...a spring hook or a small screwdriver to dislodge the arm of the shaft bushing and rotate the arm counterclockwise as far as it will go 3 With the bushing aligned with the frame opening for clearance unsnap the shaft from the ACM 4 Remove the auto comp drive shaft assembly 5 Use a screwdriver to align the ACM with the shaft bearing to help in installation ...

Page 104: ...20 230 Bezel removal 1 Open the front access cover 2 Remove the two screws A 3 Lift the lower edge of the shield slide it to the right and remove 4 Release the four inner latches B 5 Remove the bezel and lens while the door remains open A ...

Page 105: ...e cover removal on page 4 5 2 Remove the controller card cover 3 Disconnect all the cables from the controller card and remove cables from the shield housing Warning Do not replace the controller card and the operator panel at the same time Each card contains the printer settings When either of these cards is new it obtains its settings from the other card Critical factory settings are lost when b...

Page 106: ...nd the parallel ports 6 Lift and remove the card Re installation note When replacing the controller card make sure to route all of the cables through the correct shield opening Make sure that the ground wire that is being held by the front upper screw is in the correct location before installing ...

Page 107: ... 5 Loosen the one screw A from the shield that protects the sensor 6 Disconnect the cable from J6 on the controller card Note The cable has a toroid Be sure to remove the toroid before removing the cable 7 Use a small Phillips screwdriver to remove the screw B holding the sensor 8 Remove the sensor Reinstallation note Be sure to re route the cable back through its retainer Be sure to place the tor...

Page 108: ...ove the left side cover See Left side cover removal on page 4 4 2 Place the machine on its right side Note Be sure to protect the machine from marring 3 Remove the six screws A the machine screw B and the ground cable screw C 4 Lift the main motor drive and disconnect the motor cable D A B C ...

Page 109: ...Repair information 4 17 4512 220 230 5 Remove the coupling spring E 6 Remove the developer drive coupling F ...

Page 110: ...3 5 Remove the LVPS HVPS card assembly See LVPS HVPS card assembly removal on page 4 26 6 Unhook the media level indicator See Media level indicator removal on page 4 33 7 Remove the top LVPS HVPS shield a Remove the screw A and the screw B at the controller shield b Remove the screw C opposite from screw B on the other side of the printer Note The ground cable is attached to screw C When re insta...

Page 111: ...0 9 Remove the six screws D 10 Lift the right side opposite the coupler and remove the duplex Note At re installation before tightening the screws locate the duplex unit against the left side frame Left side relative to the picture above ...

Page 112: ...ive removal on page 4 28 2 Remove the duplex See Duplex removal on page 4 18 3 Remove the duplex coupling and gears A the screw and plastic retainer 4 Remove the duplex coupling B and mating link Note The link not shown that connects the duplex and duplex coupling is part of this FRU as well as the duplex FRU ...

Page 113: ...emoving the cables When re installing be sure to place the toroid back over the same cables 4 Remove the cable from its retainer 5 Remove the fan Flag removal top cover right 1 Remove the top cover See Top cover removal on page 4 7 2 Turn the top cover upside down 3 While lifting the flag with your thumb to align the shaft flats with the holder use the spring hook to slide the flag out of place an...

Page 114: ...d Release the side latches and lift the rear of the top cover 5 Remove the paper exit guide assembly The gears of the exit guide must clear the fuser bracket without touching it See Paper exit guide assembly removal on page 4 37 for more information 6 Remove the two screws A and the one machine screw B that secures the ground cable 7 Disconnect the thermistor cable above the fuser 8 Remove the con...

Page 115: ...moval of the fuser verify that the cross shaft behind the fuser is in place Place the fuser into the opening and push levers A to open the latches B Push the fuser into the final position on the release levers Alternatively the fuser may be tilted to drop the latches B below the shaft for the final few millimeters Check to make sure that the ground cable is routed out of the way and will not be pi...

Page 116: ...from the fuser and pull the cable through the opening in the side frame 4 Place the printer on its top with the back and bottom in view Note Be careful not to mar the finish of the printer 5 Remove the four screws A the machine screw flange head B and the machine screw button head C 6 Use the hook end of a spring hook to disconnect the fuser power cable from the LVPS HVPS side Note The connector l...

Page 117: ...ive removal on page 4 28 2 Remove the coupling assembly See Developer drive coupling assembly removal on page 4 16 3 Disconnect the front access door from its hinges See Front access cover removal on page 4 2 Note The cover does not need to be electrically disconnected 4 5 Disconnect the link and door 6 Remove the developer link ...

Page 118: ...2 Place the printer onto its top with the back and bottom in view Note Be careful not to mar the finish of the printer 3 Remove the four screws A the machine screw B and the machine screw C 4 Unhook the red cable D located in the left side frame 5 Lift the metal cover so the connecting cables E and F can be unplugged on the side shown ...

Page 119: ...embly Be sure to locate the rear flange of the card bracket inside of the shield prior to rotating the card assembly into final position It is easy for the cables to become pinched during re installation Make sure that the cables are free during re installation CAUTION Make sure that the mylar card is located inside the overlapping flanges to avoid damage to the printer ...

Page 120: ...ter onto its right side and remove the six screws A the screw B and the ground cable screw C IMPORTANT The ground strap held by screw B is not included in the main motor drive FRU Be sure to remove this strap and install it in the new drive 3 Lift the motor end and disconnect the main motor cable D 4 Lift the gear assembly and remove the developer drive spring E A B C D ...

Page 121: ...Repair information 4 29 4512 220 230 5 Rotate the motor drive counterclockwise until the two plastic links can be separated 6 Remove the main motor drive ...

Page 122: ...o mar the finish of the printer 5 Lift the door on the duplex and auto comp 6 Remove the screw A 7 Free the cable from its retainer and pull it through the opening toward the sensor mount Re installation note Insert the hook end of the spring hook through the frame opening from the controller card side Extend the hook until the sensor connector can be hooked Hook the spring hook to the connector a...

Page 123: ...nd remove the six screws A the screw B and the ground cable screw C 3 Lift the motor end and disconnect the main motor cable D 4 Lift the main motor drive enough to clear Note The main motor drive does not have to be completely removed See Main motor drive removal on page 4 28 for more information 5 Use a thin screw driver to remove the clip E 6 Remove the manual paper feed clutch A B C D ...

Page 124: ...removal on page 4 18 2 Extract the solenoid cable to a point close to the left side as possible 3 Remove the main motor drive See Main motor drive removal on page 4 28 4 Remove the auto comp clutch See Auto comp clutch removal on page 4 10 5 Remove the three screws A 6 Remove the manual feed solenoids ...

Page 125: ...dia level indicator removal 1 Remove the left side cover See Left side cover removal on page 4 4 2 Turn the printer onto its top Be careful to protect the covers 3 Unhook and remove the spring A 4 Unhook the link B from the indicator level A ...

Page 126: ...eparate it from the plastic shaft C Be careful to not damage the adjacent gear 6 Unsnap the shaft from its pivot which is attached to the back of the LVPS HVPS shield D 7 Align the link end of the shaft with the opening in the side frame and remove the shaft and spring anchor E ...

Page 127: ... 35 4512 220 230 Narrow media sensor removal 1 Remove the top cover See Top cover removal on page 4 7 2 Turn the top cover upside down 3 Remove the ground strap screw A and the ground strap 4 Remove the narrow media sensor ...

Page 128: ...the same as the LCD panel as shown 7 Unlatch the four latches on the panel cover 8 Pull the bottom edge out until it slides in a downward motion out of its retainers 9 Slide the card out from the latches on top 10 Remove the operator panel Warning Do not replace the operator panel and the controller card at the same time Each card contains the printer settings When either of these cards is new it ...

Page 129: ...4 6 2 Remove the one screw above the reversing solenoid See Top cover removal on page 4 7 3 Remove the three screws A 4 Lift the back of the top cover right side in photo to prevent the gears on the assembly from touching other items while removing especially the fuser mounting bracket 5 Remove the paper exit guide assembly A ...

Page 130: ... Do not attempt to remove the hub 5 Pinch the new rubber roller into a tight radius to determine the orientation of the tire relative to the hub Notice the direction of the points on the edge Those points should be directed in the paper feed direction as shown 6 Make sure the new paper feed rollers are captured between the rims of the plastic hub 7 If the orientation is questionable run Print Qual...

Page 131: ...al 1 Remove the duplex unit See Duplex removal on page 4 18 2 Remove screws A holding the two sensors 3 Remove the sensor assembly Note Be sure to secure cables in retainers when installing the new assembly The solenoid cable should be installed on top of the sensor cables ...

Page 132: ... sure to remove the toroid before disconnecting the cables 5 Remove three screws D securing the printhead 6 Remove the printhead Reinstallation note Install the new printhead by lining up the alignment knub with the indicator located at the front right hand screw Be sure to place the toroid back over the cables Mechanically adjust the printhead if necessary See Printhead assembly mechanical adjust...

Page 133: ...ight side cover removal on page 4 5 3 Disconnect the cable from J9 DP REV SOL on the controller card 4 Remove the two screws A 5 Remove the reversing solenoid Toner level sensor removal 1 Remove Tray 1 2 Open the front access cover 3 Open the right side cover 4 Unplug the toner level sensor cable 5 Unsnap the toner level sensor A from the frame and remove it through the inside of the printer A ...

Page 134: ...er is unlatched 4 At the left side of the transfer roll squeeze the holder arms with the right hand while lifting with the left hand Stop when the left holder is unlatched 5 With a hand at each end lift the transfer roll out Note Do not try removing the spring on the left it is not removeable but can be dislodged The spring included with the FRU is to be used only if the old right side spring is d...

Page 135: ...43 4512 220 230 Tray 2 auto comp tire removal Gently pull the rubber tire loose from the wheel and replace it with a new tire Note Look at the nap of the tire and orient the tire for highest friction when picking the paper ...

Page 136: ...sh out on the latch by moving the top of the spring hook to the right and while lifting the corner 5 Repeat for the right side and remove the assembly 6 Unlatch the left and right sides of the front cover guide C with a flat blade screwdriver or spring hook D 7 Lift the right side to align the flat on the guide shaft with the opening 8 Slide the shaft through the opening 9 Slide the cover to the r...

Page 137: ...sion on it while snapping the assembly into position on the left side Use the spring hook from below the printer to anchor the front of the spring Carefully position the unsnapped right side so the right spring can be anchored at the rear While maintaining tension on the spring snap the right side into position Use the spring hook from below the printer to anchor the front of the spring ...

Page 138: ...y 1 1 Hold the tray with the bottom up 2 Use a spring hook to unfasten each of the anchors on the back of each strip 3 Remove the strip from inside the tray Wear strip removal tray 2 1 Pull up the strip with the spring hook to free it at the top 2 Lift the strip out ...

Page 139: ... strip Push the strip up with your thumb to make sure that the strip is in place Turn the tray over so that you are looking at the bottom of the strip Using the spring hook check to make sure that the end of the strip is secure and the strip is fastened tightly ...

Page 140: ...4 48 Lexmark E250d and E250dn 4512 220 230 ...

Page 141: ...Locations and connections 5 1 4512 220 230 5 Locations and connections Locations Front view Rear view ...

Page 142: ...d if different Comments J1 1 Signal Smart chip 2 Ground J2 1 Less than 5 V dc Toner level sensor 2 Ground 3 Signal J3 1 3 5 Signal Operator panel 2 5 V dc 4 7 Ground 6 3 3 V dc J4 1 Ground Cooling fan 2 24 V dc J5 1 3 Signal LSU drive 2 Ground J6 1 2 5 V dc Less than 1 V dc Front cover open switch Cover closed Cover open 3 Ground 1 0 V dc 2 5v 3 Ground J8 2 4 7 Ground LSU 10 5 V dc 1 3 5 6 8 9 Sig...

Page 143: ...11 15 Signal 12 14 Ground 13 5 V dc J20 1 Less than 5 V dc 5 V dc Manual feed sensor 2 5 V dc 5 V dc 3 Ground J21 1 4 24 V dc Manual feed solenoids 1 3 24 V dc 2 4 0 V dc J22 1 4 5 Signal Tray 2 2 3 24 V dc 6 Ground J25 1 Less than 5 V dc 5 V dc Paper feed and duplex sensors 2 5 V dc 5 V dc 4 Less than V dc 5 V dc 5 5 V dc 5 V dc 3 6 Ground Connector Pin Value cableplugged Value cable unplugged if...

Page 144: ...5 4 Lexmark E250d and E250dn 4512 220 230 Connectors System board Connector Pin no Signal J1 USB Port G1 Ground 1 USB 5 V dc 2 USB D 3 USB D 4 Ground G2 Ground ...

Page 145: ...ly in the area of the top cover and the power supply cover Possible safety exposure from any non Lexmark attachments Lubrication specifications FRUs are typically lubricated as needed from the factory If not lubricate only when parts are replaced or as needed not on a scheduled basis Use of lubricants other than those specified can cause premature failure Some unauthorized lubricants may chemicall...

Page 146: ...6 2 Lexmark E250d and E250dn 4512 220 230 ...

Page 147: ...number of units actually used in the machine or product Units FRU refers to the number of units packaged together and identified by the part number NS Not shown in the Asm Index column indicates that the part is procurable but is not pictured in the illustration PP Parts Packet in the parts description column indicates the part is contained in a parts packet Model information used in the parts cat...

Page 148: ...7 2 Service Manual 4512 220 230 Assembly 1 Covers ...

Page 149: ...ear upper and lower cover assembly 4 40X2858 1 1 Legal extender dust cover 5 40X2837 1 1 Right side cover 6 40X2843 1 1 Optional media drawer assembly 7 40X2844 1 1 Tray 2 assembly 8 40X2855 1 4 Tray 2 wear strips 9 40X2854 1 4 Tray 1 wear strips 10 40X2842 1 1 Main tray 11 40X2836 1 1 Left side cover 12 40X2852 1 1 LED bezel cover E250d 12 40X2814 1 1 LED bezel cover E250dn 13 40X2840 1 1 Front a...

Page 150: ...7 4 Service Manual 4512 220 230 Assembly 2 Electronics ...

Page 151: ...r to controller card Fuser power LVPS to fuser 4 40X2823 1 1 Duplex and media sensor assembly 5 40X2813 1 1 Cover open sensor assembly 6 40X2856 1 1 Narrow media sensor 7 40X2828 1 1 Cooling fan 8 40X2805 1 1 Controller card E250dn 8 40X2851 1 1 Controller card E250d 9 40X2819 1 LVPS HVPS card assembly 110 V 9 40X2820 1 LVPS HVPS card assembly 220 V 10 40X2809 1 LED operator panel assembly E250d E...

Page 152: ...7 6 Service Manual 4512 220 230 Assembly 3 Frame ...

Page 153: ...O 8 40X2838 1 1 Media ACM drive assembly 9 40X2857 1 1 Upper front frame assembly 10 40X2830 1 1 Manual feed clutch CBM 11 40X5930 1 1 Media feed ACM clutch CBM 12 40X2832 1 1 Media level indicator CBM 13 40X2825 1 1 Developer drive access door link 14 40X2829 1 1 Developer drive coupling assembly 15 40X2821 1 1 Duplex drive gear CBM NS 40X2847 1 1 110 V maintenance kit NS 40X2848 1 1 220 V mainte...

Page 154: ...40X1364 1 32MB SDR DIMM NS 40X1365 1 64MB SDR DIMM NS 40X1367 1 Parallel cable packaged 3 m NS 40X1368 1 USB cable packaged 2 m NS 40X1513 1 Simplified Chinese font card assembly NS 40X1514 1 Traditional Chinese font card assembly NS 40X1512 1 Japanese font card assembly NS 40X1515 1 Korean font card assembly ...

Page 155: ... 40X0275 1 Power cord 6 foot straight Israel NS 40X0274 1 Power cord 6 foot straight Switzerland NS 40X0276 1 Power cord 6 foot straight South Africa NS 40X0287 1 Power cord 6 foot straight Traditional Italy NS 40X0279 1 Power cord 6 foot straight Denmark NS 40X0277 1 Power cord 6 foot straight Brazil NS 40X0282 1 Power cord 1 8M straight PRC NS 40X0270 1 Power cord 2 5M straight Japan NS 40X0280 ...

Page 156: ...7 10 Service Manual 4512 220 230 ...

Page 157: ...tion 2 1 diagnostics mode Development Configuration ID 3 8 Defaults 3 8 Edge to Edge 3 8 Print History 3 8 entering 3 1 printout sample 3 3 E Edge to Edge 3 8 error messages primary light patterns 2 2 service error codes 2 23 user attendance messages 2 2 ESD sensitive parts 4 1 F fan parts catalog 7 5 removal 4 21 service check 2 40 frame parts catalog 7 6 fuser parts catalog 7 5 removal 4 22 serv...

Page 158: ...4 24 LVPS HVPS card assembly 4 26 paper exit guide assembly 4 37 paper feed rollers 4 38 printhead 4 40 procedures 4 1 toner level sensor 4 41 transfer roll 4 42 Reset Factory Defaults 3 4 reset maintenance page counter 3 4 Reset PC Counter 3 4 S safety information xi safety inspection guide 6 1 sensors cover open 4 15 service checks 2 39 controller card 2 39 cooling fan 2 40 cover interlock switc...

Page 159: ...media 1 6 print speed 1 3 toner capacity 1 4 start 2 1 symptom tables 2 37 POST 2 37 printer 2 38 T test pages Print Quality Pages 3 4 tires removal 4 38 tools 1 8 transfer roll parts catalog 7 7 removal 4 42 service check 2 53 U user attendance messages 2 3 ...

Page 160: ...I 4 Lexmark E250d and E250dn 4512 220 230 ...

Page 161: ... sensor 7 5 40X1364 32MB SDR DIMM 7 8 40X1365 64MB SDR DIMM 7 8 40X1367 Parallel cable packaged 3 m 7 8 40X1368 USB cable packaged 2 m 7 8 40X1512 Japanese font card assembly 7 8 40X1513 Simplified Chinese font card assembly 7 8 40X1514 Traditional Chinese font card assembly 7 8 40X1515 Korean font card assembly 7 8 40X2801 Fuser assembly 220 V 7 5 40X2802 Fuser assembly 100 V 7 5 40X2804 LSU E250...

Page 162: ...kit 6 1 7 7 40X2849 100 V maintenance kit 6 1 7 7 40X2850 Screws miscellaneous 7 7 40X2851 Controller card E250d 7 5 40X2852 LED bezel cover E250d 7 3 40X2853 ACM drive shaft assembly 7 7 40X2854 Tray 1 wear strips 7 3 40X2855 Tray 2 wear strips 7 3 40X2856 Narrow media sensor 7 5 40X2857 Upper front frame assembly 7 7 40X2858 Legal extender dust cover 7 3 7 7 40X5068 Top cover right flag 7 3 40X5...

Page 163: ......

Page 164: ... vertical lines below can help identify the particular part that may be causing the defect For example the distance between these two marks represents a repeating defect caused by the toner cartridge Replace Toner Cartridge customer replaceable item Replace Photoconductor Kit customer replaceable item OR OR If you are unable to distinguish between these two marks replace the Photoconductor Kit bef...

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Lexmark 250d - E B/W Laser Printer, Service Manual

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