Lexmark Optra 4044-XXX Service Manual
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Lexmark Optra 4044-XXX Service Manual

Lexmark Optra 4044-XXX Service Manual

Lexmark printer service manual
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TM
Optra
E310/E312
4044-XXX
• 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.

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Summary of Contents for Lexmark Optra 4044-XXX

  • Page 1 Optra E310/E312 4044-XXX • 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.
  • Page 2 1-800-553-9727. In other countries, contact your point of purchase. Lexmark and Optra are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. Other trademarks are the property of their respective owners.

  • Page 3: Table Of Contents

    Toggle Demo/Normal Mode ......3-14 Printer Operation ........3-14 Paper Path .
  • Page 4 4044-XXX Removal Procedures ........4-2 Screw Identification Table .

  • Page 5: Notices And Safety Information

    Notices and Safety Information Laser Notice The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter J for Class I (1) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 825.
  • Page 6 4044-XXX Laser Advisory Label...
  • Page 7 4044-XXX Class 1 Laser Statement Label...
  • Page 8 4044-XXX Laser Der Drucker erfüllt gemäß amtlicher Bestätigung der USA die Anforderungen der Bestimmung DHHS (Department of Health and Human Services) 21 CFR Teil J für Laserprodukte der Klasse I (1). In anderen Ländern gilt der Drucker als Laserprodukt der Klasse I, der die Anforderungen der IEC (International Electrotechnical Commission) 825 gemäß...
  • Page 9 4044-XXX Avvertenze sui prodotti laser Questa stampante è certificata negli Stati Uniti per essere conforme ai requisiti del DHHS 21 CFR Sottocapitolo J per i prodotti laser di classe 1 ed è certificata negli altri Paesi come prodotto laser di classe 1 conforme ai requisiti della norma CEI 825.
  • Page 10 Laserinformatie De printer voldoet aan de eisen die gesteld worden aan een laserprodukt van klasse I. Voor de Verenigde Staten zijn deze eisen vastgelegd in DHHS 21 CFR Subchapter J, voor andere landen in IEC 825.
  • Page 11 4044-XXX Lasermeddelelse Printeren er godkendt som et Klasse I-laserprodukt, i overenstemmelse med kravene i IEC 825. Klasse I-laserprodukter betragtes ikke som farlige. Printeren indeholder internt en Klasse IIIB (3b)-laser, der nominelt er en 5 milliwatt galliumarsenid laser, som arbejder på bølgelængdeområdet 770-795 nanometer.
  • Page 12 4044-XXX Laser-notis Denna skrivare är i USA certifierad att motsvara kraven i DHHS 21 CFR, underparagraf J för laserprodukter av Klass I (1). I andra länder uppfyller skrivaren kraven för laserprodukter av Klass I enligt kraven i IEC 825. Laserprodukter i Klass I anses ej hälsovådliga. Skrivaren har en inbyggd laser av Klass IIIb (3b) som består av en laserenhet av gallium-arsenid på...
  • Page 13 4044-XXX Avís sobre el Làser Segons ha estat certificat als Estats Units, aquesta impressora compleix els requisits de DHHS 21 CFR, apartat J, pels productes làser de classe I (1), i segons ha estat certificat en altres llocs, és un producte làser de classe I que compleix els requisits d’IEC 825.
  • Page 14 4044-XXX Japanese Laser Notice Chinese Laser Notice...

  • Page 15: Safety Information

    This product is designed, tested and approved to meet strict global safety standards with the use of specific Lexmark components. The safety features of some parts may not always be obvious. Lexmark is not responsible for the use of other replacement parts. •...
  • Page 16 Lexmark specifici. Le caratteristiche di sicurezza di alcune parti non sempre sono di immediata comprensione. Lexmark non è responsabile per l’utilizzo di parti di ricambio di altri produttori. •...
  • Page 17 Einsatz die weltweit gültigen Sicherheitsanforderungen zu erfüllen. Die sicherheitsrelevanten Funktionen der Bauteile und Optionen sind nicht immer offensichtlich. Sofern Teile eingesetzt werden, die nicht von Lexmark sind, wird von Lexmark keinerlei Verantwortung oder Haftung für dieses Produkt übernommen. •...
  • Page 18 Lexmark. As funções de segurança de alguns dos componentes podem não ser sempre óbvias. A Lexmark não é responsável pela utilização de outros componentes de substituição. • As informações de segurança relativas a este produto destinam-se a profissionais destes serviços e não devem ser...
  • Page 19 4044-XXX Chinese Safety Information Korean Safety Information...
  • Page 20 4044-XXX...

  • Page 21: General Information

    4044-XXX 1. General Information This printer is a letter-quality laser page printer designed to attach to an IBM Personal Computer or other computers compatible with the IBM Personal Computer (with 386 processor or higher) and Macintosh Computers via the USB connection.
  • Page 22 4044-XXX Acronyms Customer Setup DRAM Dynamic Random Access Memory Electrophotographic Process EPROM Erasable, Programmable Read-Only Memory Electrostatic Discharge Field Replaceable Unit HVPS High Voltage Power Supply LASER Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode LVPS Low Voltage Power Supply MROM Masked Read Only Memory...

  • Page 23: Diagnostic Information

    The lights on the operator panel can indicate either a user error message or service error message. When a service error occurs, the printer stops printing and all operator panel LEDs blink in a continuous pattern, indicating a service error, until the printer is powered off.

  • Page 24: Service Error Codes

    4044-XXX Service Error Codes Primary Service Error Codes When a service error occurs the printer stops printing and all operator panel LEDs blink in a continuous pattern, indicating a service error, until the printer is powered off. Press and release the operator panel button to display the service error code.
  • Page 25 4044-XXX Blinking Operator Panel LED Mirror Motor Failure Optional Memory Error ROM Checksum Error Base Memory Error NVRAM Failure Error Action Inspect the printhead cable and replace as necessary. Replace the printhead assembly. If this does not correct the problem, replace the engine/LVPS board.
  • Page 26 4044-XXX Blinking Operator Panel LED ASIC Register Failure Error ASIC SRAM Failure Error Flash Memory Failure Error Font Checksum Failure Error Engine/LVPS Board Communications Failure Error Service Manual Action Replace the controller board Replace the controller board Replace the ROM SIMM w/Flash. If this does not correct the problem, replace the controller board.
  • Page 27 4044-XXX Secondary Service Error Codes For some service error codes, a second service error code is used to further describe the error. When a service error occurs, pressing the operator panel button after viewing the primary service error code displays the secondary service error code. The following table contains the secondary service error codes.

  • Page 28: User Error Message Table

    User Error Message Table Primary User Error Message Table When a user error message occurs the printer stops printing and one or two operator panel LEDs are on solid or blinking until the printer is powered off. Locate the printer’s LED Status in the following table and take the indicated action.
  • Page 29 Press Button on solid Error blinks and Press Button on solid Diagnostic Information Action The printer memory is full or the page is too complex to print. The printer is forced to reduce the resolution of a formatted page to...
  • Page 30 Press and release the operator panel button two times to display the user secondary error LED status. Each press and release action must be performed within a half second. Locate the printer’s LED status in the following table and take the indicated action.

  • Page 31: Power-On Self Test (Post)

    Resource Save Off Deficient Memory Power-On Self Test (POST) When you turn the printer On, it performs a Power-On Self Test. Check for correct POST functioning of the base printer by observing the following: 1. All LEDs turn on solid.

  • Page 32: Symptom Tables

    Fan does not come on. Fuser lamp does not come on. Fuser lamp never turns off. The paper feed picks and tries to feed paper. Base Printer Symptom Table Symptom Dead Machine (no power) Fan noisy or not working Fuser parts melted Fuser lamp doesn’t light...
  • Page 33 Paper jams Main Motor noisy or does not move Paper never picks Paper feeds continuously Paper skew Printer not communicating with host Paper wrinkled or bent Top cover will not close Operator panel button does not respond Operator panel LEDs do not light...

  • Page 34: Service Checks

    (except the controller board) must be performed with the engine/LVPS to controller board cable disconnected and the printer positioned on its left side. This provides the servicer access to the various circuit boards underneath the printer while supplying necessary power to the rest of the printer.

  • Page 35: Cover Open Switch Service Check

    4044-XXX Cover Open Switch Service Check Note: Make sure a toner cartridge is installed and the cover closes all the way, engaging the cover open switch lever. The lever can easily be positioned incorrectly if the top cover has been removed and replaced.

  • Page 36: Dead Machine Service Check

    Note: Check the AC line voltage. The voltage should be within the following limits: 100 V ac - 127 V ac for the low voltage model printer 200 V ac - 240 V ac for the high voltage model printer Model E310 &...
  • Page 37 Disconnect the cables from CN2 and CN5 and leave the cables connected to the power switch attached. With the printer positioned on its left side and the engine/LVPS board positioned on a flat surface, turn the power switch on and check the AC line voltage at connector CN201.
  • Page 38 4044-XXX Model E312 LVPS Board Model E312 Engine Board 2-16 Service Manual Action Disconnect the LVPS cable from connector CN7 on the engine board. Go to the “LVPS (model E312)” on page -14. Check the voltage measurements at connector CN503. If any voltage measurements are incorrect, replace the LVPS.

  • Page 39: Fuser Service Check

    200 V ac - 240 V ac for the high voltage model printer Turn the printer off and wait a few minutes for the fuser lamp to cool. Turn the machine on and observe the lamp turning on during POST.
  • Page 40 LVPS board. Check for excessive toner buildup on the surface of the thermistor. Clean or replace as necessary. Turn the printer off and disconnect the thermistor cable from CN1 on the LVPS board. Measure the resistance of the thermistor between CN1-1 and CN1-2.
  • Page 41 Fuser Lamp Lamp Cable Thermistor LVPS Action Turn the printer off and disconnect the fuser lamp wires from the fuser. Check for continuity across the fuser lamp wire contacts. If there is continuity, go to step 1: Continuity. If there is no continuity, go to step 2: No Continuity.
  • Page 42 Thermistor LVPS 2-20 Service Manual Action Turn the printer off and disconnect the fuser lamp wires from the fuser. Check for continuity across the fuser lamp wire contacts. If there is continuity, go to step 1: Continuity. If there is no continuity, go to step 2: No Continuity.

  • Page 43: Main Motor Service Check

    4044-XXX Hot Fuser Service Check Model E310 Fuser Thermistor Model E312 Fuser Thermistor Models E310 & E312 Fuser Lamp Main Motor Service Check Model E310 Interconnect Board Main Motor Main Motor Cable Action Disconnect the thermistor cable from the LVPS. Measure the resistance across CN1-1 and CN1-2 of the thermistor cable.
  • Page 44 4044-XXX Model E312 Engine Board Main Motor Main Motor Cable 2-22 Service Manual Action Check the engine board for the following voltages: CN2-3 +24 V dc CN2-4 +24 V dc If these voltages are not correct, replace the engine board. If these voltages are correct, check the main motor cable for continuity.

  • Page 45: Operator Panel Service Check

    Disconnect the cable and check it for continuity. Replace if necessary. If the cable measures continuity, measure the following voltages with the printer on at idle: U5-1: Ground U5-2: +5 V dc U5-3: +5 V dc...

  • Page 46: Operator Panel Button Service Check

    Action If the exit sensor flag is not resting within the paper exit sensor during POST, the printer displays a paper jam message. Make sure the flag is operating freely and correctly installed. Make sure the input paperfeed sensor is working properly.
  • Page 47 Pick Roller Clutch Solenoid Paper picks but stops about an inch down the page Models E310 & E312 Roller Guides Paper picks but stops half way through the printer Model E310 Input Paper Feed Sensor Interconnect Board Action Check the pick roller clutch for wear.
  • Page 48 4044-XXX Model E312 Input Paper Feed Sensor Engine Board 2-26 Service Manual Action Make sure the input paper feed sensor is working properly. Check for a broken or stuck flag on the input paper feed sensor. Check to make sure the cable is seated on the CN6 connector on the engine board.
  • Page 49 4044-XXX Paper never picks Models E310 & E312 Paper Tray Model E310 Pick Roller Solenoid Model E312 Pick Roller Solenoid Paper occasionally picks or picks multiple sheets at once Models E310 & E312 Pick Roller Assembly Models E310 & E312 Paper Separator Assembly Models E310 &...

  • Page 50: Print Quality Service Check

    Service Manual Action This problem is most likely due to a worn transfer roller. A worn transfer roller causes the printer to run hotter than required for the media being printed. Excessive heat can cause paper treeing problems, poor stacking or curl.
  • Page 51 4044-XXX Black page Note: Incorrect laser exposure or incorrect charging of the photoconductor causes an all black page. Models E310 & E312 HVPS Contacts Model E310 Engine/LVPS Board HVPS Cable HVPS Model E312 Engine Board HVPS Cable HVPS Action Check the contacts for contamination and correct installation.
  • Page 52 4044-XXX Heavy background Poor development or poorly charged toner particles cause excessive background. This is more noticeable as the toner cartridge nears end of life. Models E310 & E12 Toner Cartridge Model E310 HVPS Contacts HVPS Board Engine/LVPS Board Model E312 HVPS Contacts HVPS Board Engine Board...
  • Page 53 4044-XXX Partial blank image/white spots (no periodic pattern) Toner Cartridge Fuser Backup Roller Springs Paper Variation in image density horizontally across page Toner Cartridge Transfer Roller Bearing Assembly Transfer Roller Action Remove the toner cartridge and gently shake the assembly to evenly distribute the toner.
  • Page 54 4044-XXX Periodic irregularity down page PC Drum (Toner Cartridge) Distance Between Irregularity 94.5 mm Charge Roller (Toner Cartridge) Distance Between Irregularity 37.8 mm Supply Roller (Toner Cartridge) Distance Between Irregularity 40.1 mm Developer Roller (Toner Cartridge) Distance Between Irregularity 46.1 mm Transfer Roller Distance Between Irregularity 46.0 mm...
  • Page 55 4044-XXX Poor fusing of image Fuser Lamp Paper Light print Toner Cartridge Transfer Roller HVPS Contact (Transfer Roller) HVPS Board Action The fuser may not be operating at the proper temperature to fuse the toner to the paper. Go to the Fuser Service Check”...
  • Page 56 Print Cartridge Fuser Hot Roll Backup Roller Transfer Roller Incorrect characters print Make sure the correct printer driver software is installed. Incorrect software can cause incorrect characters to print and the image may not fit the page. 2-34 Service Manual...

  • Page 57: Parallel Port Service Check

    4044-XXX Parallel Port Service Check 1. Perform a print test to make sure the printer prints correctly. 2. Be sure the printer cable is designed for bidirectional printing. 3. Be sure the user application is set up correctly. Improper set up can prevent establishing a communication link with the printer.
  • Page 58 4044-XXX 2-36 Service Manual...

  • Page 59: Diagnostic Aids

    Once the memory test is complete, the diagnostic test pages can be printed by briefly pressing the operator panel button. Two pages are printed. The first page is a listing of various printer settings and code level. The second page is used to inspect registration. If the printer...

  • Page 60: Print Quality Test

    4044-XXX Print Quality Test There are three print quality test pages. The first page displays the installed printer base code level and user default settings for the following: Top Margin Offset Left Margin Offset Printer Page Count Installed Memory PQET Setting (on/off)

  • Page 61: User Mode Print Test

    The User Mode Print Test Page displays the user default values, installed options, printer features, various typefaces, and the installed printer base code level. 1. Turn the printer power on. The Ready LED comes on solid (printer is in the ready state). 2. Press and release the operator panel button.
  • Page 62 LEDs continue blinking. 7. Perform a long button press. All LEDs blink once. The Ready LED stays on solid. The printer is in the configuration mode. 8. To exit the configuration mode, turn the printer power off. Configuration Mode Operator Panel Overlays When in configuration mode, the first menu item and its setting are displayed.
  • Page 63 4044-XXX the solid Ready LED. The setting of the menu item is indicated by the status of the Press Button LED. To change the menu item setting, briefly press the operator panel button. Once the setting you want is indicated by the status of the Press Button LED, perform a long button press to save the setting.
  • Page 64 3. The current Parallel NPA setting is indicated by the Off/On/Auto (Press Button) LED. • When the LED is on solid, all data received by the printer must be in NPA packets. Any non-packet data is rejected as bad packets.
  • Page 65 4. Perform a brief button press to select the Parallel NPA setting. 5. Perform a long button press. All LEDs blink once, indicating the setting is saved. 6. Exit the configuration mode by turning the printer power off. Parallel Protocol The printer supports two parallel protocol settings: standard and fastbytes.
  • Page 66 This function controls whether or not the printer automatically performs a carriage return after a line feed control command and whether or not the printer automatically performs a line feed after a carriage return control command. Perform the following steps to change the CRLF/LFCR setting: 1.
  • Page 67 4. Perform a long button press. All LEDs blink once, indicating the setting is saved. 5. Exit the configuration mode by turning the printer power off. Parallel Mode 2 Parallel Mode 2 controls whether or not the parallel port data is sampled on the leading or trailing edge of strobe.
  • Page 68 4. Perform a long button press. All LEDs blink once, indicating the setting is saved. 5. Exit the configuration mode by turning the printer power off. USB Port This menu item allows the user to enable or disable the USB port. If the port is not being used, disabling it frees allocated memory to be used to process print jobs.

  • Page 69: Hex Trace

    When a job is printed, the printer operator panel displays the Hex Trace indication, (Ready LED blinking), showing that the printer remains in the Hex Trace mode. Turn the printer power off or do an operator panel reset (long button press) to exit the Hex Trace mode.

  • Page 70: Restoring Factory Defaults

    8. Perform a long button press until all LEDs come on solid. The printer is in Hex Trace mode 9. To exit the Hex Trace mode, turn the printer power off. Restoring Factory Defaults Restoring factory defaults returns the printer settings to the original factory settings.

  • Page 71: Engine Clean Cycle

    6. The Ready LED comes on solid and the Error and Press Button LEDs continue blinking. 7. Perform a long button press until all LEDs come on solid. 8. The printer feeds one page from the automatic paper feed slot and then returns to normal printing mode. 3-13...

  • Page 72: Toggle Demo/Normal Mode

    8. Perform a long button press until all LEDs come on solid. The printer is in Demo mode. 9. To return the printer to Normal mode, repeat steps 1 through 8. Printer Operation Paper is held in a 150 page tray where it is picked by a center-fed "D"...

  • Page 73: Paper Path

    4044-XXX Paper Path 3-15 Diagnostic Aids...
  • Page 74 4044-XXX 3-16 Service Manual...

  • Page 75: Repair Information

    4044-XXX 4. Repair Information CAUTION: Read the following before handling electronic parts. Handling ESD-Sensitive Parts Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent damage to ESD-sensitive parts, follow the instructions below in addition to all the usual precautions, such as turning off power before removing logic boards: •...

  • Page 76: Removal Procedures

    4044-XXX Removal Procedures CAUTION: Be sure to unplug the power cord whenever you are working on the printer with one of the covers removed. Be sure to remove the print cartridge before you perform removal procedures. Screw Identification Table Type 1 Screw...
  • Page 77 4044-XXX 2. Remove the face up cover. 3. Open the front cover. Repair Information...
  • Page 78 4044-XXX 4. Remove the screw from the support on each side of the printer. Note: If you want to remove the front cover only, remove the two screws and then remove the panel board and board cover. Service Manual...
  • Page 79 4044-XXX Rear and Top Cover 1. Remove the three screws, press the retaining tabs and remove the rear cover. 2. Remove the front cover and face up cover. 3. Remove the two screws and remove the top cover. Repair Information...
  • Page 80 4044-XXX Side Covers 1. Remove the front cover, face up cover, top cover and rear cover. 2. Remove the two screws securing the rear of each side cover. 3. Release the side cover tabs as shown and remove the left and right side covers.

  • Page 81: Frame Assembly

    4044-XXX Frame Assembly 1. Remove all covers. 2. Remove the HVPS. 3. Remove the two screws and remove the solenoid. 4. Remove the six screws and remove the frame assembly. Repair Information...

  • Page 82: Fuser Assembly

    4044-XXX Fuser Assembly 1. Remove all covers. 2. Remove the wire cover mounting screw (A). 3. Remove the two fuser lamp wire mounting screws (B). 4. Unplug the connector from the engine/LVPS board. 5. Remove the two fuser mounting screws (C). 6.
  • Page 83 4044-XXX 7. Slide the fuser in the direction of the arrows and remove the fuser. Note: The backup roller can fall from the printer if the printer is turned on its side with the fuser removed. Repair Information...

  • Page 84: Hvps

    4044-XXX HVPS 1. Remove all covers. 2. Remove the HVPS board mounting screws. 4-10 Service Manual...
  • Page 85 4. Unplug the cable from the lower connector inside the HVPS and remove the HVPS. Note: The high voltage contacts can fall from the printer with the HVPS removed. Three contacts with the shorter springs are installed in the hole marked L+S. The contact with the longer spring is installed in the hole marked L+L.

  • Page 86: Interconnect Board (Model E310)

    4044-XXX Interconnect Board (model E310) 1. Remove the LVPS. 2. Unplug all connectors from the interconnect board. 3. Remove the screws and remove the interconnect board. 4-12 Service Manual...

  • Page 87: Engine/Lvps Board (Model E310)

    4044-XXX Engine/LVPS Board (model E310) 1. Turn the printer upside down. 2. Remove all screws securing the SIMM access panel. 3. Remove the SIMM access panel. 4-13 Repair Information...
  • Page 88 4044-XXX 4. Unplug all the connectors from the engine/LVPS board. 5. Remove the five screws and remove the engine/LVPS board. 4-14 Service Manual...

  • Page 89: Engine/Lvps Board (Model E312)

    4044-XXX Engine/LVPS Board (model E312) 1. Turn the printer upside down. 2. Remove all screws securing the SIMM access panel. 3. Remove the SIMM access panel. 4-15 Repair Information...
  • Page 90 4044-XXX 4. Remove the five screws securing the LVPS shield. 5. Lift the shield from the printer and disconnect all the cables from the LVPS. 6. Remove the screws mounting the LVPS to the shield and remove the LVPS. 7. Disconnect all the cables from the engine board.

  • Page 91: Main Drive Assembly

    4044-XXX Main Drive Assembly 1. Remove all covers. 2. Remove the six main drive assembly mounting screws. 3. Unplug the connector and remove the main drive assembly. 4-17 Repair Information...

  • Page 92: Pick Roll Assembly

    4044-XXX Pick Roll Assembly 1. Remove all the covers. 2. Remove the high voltage power supply. 3. Remove the roller bearing. 4-18 Service Manual...
  • Page 93 4. Remove the roller access cover on the left side of the pick roller assembly. 5. Remove the upper frame. 6. Remove the pick up roller gear and clutch. 7. Lift the pick roll assembly from the printer. 4-19 Repair Information...

  • Page 94: Printhead Assembly

    4044-XXX Printhead Assembly 1. Remove the top cover. 2. Unplug all the connectors from the printhead. 3. Remove the four mounting screws and remove the printhead. Note: Be sure to transfer the snap-on torroids when replacing the printhead cable. 4-20 Service Manual...

  • Page 95: Transfer Roll

    1. Remove the front cover and face up cover. 2. Remove the black cover on the left end of the transfer roll. 3. Press the latches on the bearings to release them from the lower frame. 4. Lift the transfer roll from the printer. 4-21 Repair Information...
  • Page 96 4044-XXX 4-22 Service Manual...

  • Page 97: Connector Locations

    4044-XXX 5. Connector Locations Controller Board (model E310/E312) Connector J1 Printhead U5 Operator Panel (signals at idle) J7 Engine/LVPS Board Pin No. Signal Ground Ground +5 V dc +5 V dc +5 V dc Ground +5 V dc +5 V dc +5 V dc +5 V dc +5 V dc...
  • Page 98 4044-XXX Connector J7 (continued) Service Manual Pin No. Signal +5 V dc +5 V dc +5 V dc Ground Ground Ground Ground Ground +5 V dc +5 V dc...
  • Page 99 4044-XXX Connector Locations...

  • Page 100: Engine/Lvps Board (Model E310)

    4044-XXX Engine/LVPS Board (model E310) Connector CN201 Power Switch CN202 Fuser Lamp CN1 Thermistor CN2 HVPS/Printhead Service Manual Pin No. Signal AC In AC In AC In AC In THERM +3.9 V dc +24 V dc SWITCH +24 V dc Ground +24 V dc LDON...
  • Page 101 4044-XXX Connector CN2 (continued) Pin No. Signal HSYNC THVPWM EXT CLK Ground Ground THVEA LREADY DEV300 P MOTOR +5 V dc AGND AGND THVREAD AGND Connector Locations...
  • Page 102 4044-XXX Connector CN4 Interconnect Board Service Manual Pin No. Signal DEV FUSE FAN J MOTOR EA J MOTOR PB J MOTOR PA J AGND NEW DEV J PFEED J AGND Ground Ground CLUTCH J PEMPTY J +24 V dc PNARROW J +5 V dc +24 V dc PTL J...
  • Page 103 4044-XXX Connector CN5 Controller Board Pin No. Signal EBUSY Not Used EMSG EXITPAP CCLK PRINT Not Used PSYNC READY HSYNC Not Used +5 V dc CMSG +5 V dc +5 V dc Ground +5 V dc Ground Ground Ground Ground Not Used Connector Locations...
  • Page 104 4044-XXX Service Manual...

  • Page 105: Engine Board (Model E312)

    4044-XXX Engine Board (model E312) Connector CN1 Controller Board Pin No. Signal EBUSY Not Used EMSG EXITPAP CCLK PRINT Not Used PSYNC READY HSYNC Not Used +5 V dc CMSG +5 V dc +5 V dc Ground, Floating +5 V dc Ground, Floating Ground, Floating Ground, Floating...
  • Page 106 4044-XXX Connector CN2 Motor CN3 Fan CN4 Clutch CN5 Paper Present Sensor CN6 Paper Feed/Paper Narrow Sensor 5-10 Service Manual Pin No. Signal OUTA OUTB +24 V dc +24 V dc OUTA* OUTB* +24 V dc Switch Not Used +24 V dc Switch Clutch PEMPTY +5 V dc...
  • Page 107 4044-XXX Connector CN7 LVPS CN8 Pre-Transfer LED (PTL) CN9 DCV CN10 Thermistor Pin No. Signal +5 V dc +5 V dc Ground, Floating Ground, Floating Fuser On +24 V dc Switch Ground Ground +24 V dc +24 V dc Ground, Floating Not Used Not Used Not Used...
  • Page 108 4044-XXX Connector CN11 HVPS 5-12 Service Manual Pin No. Signal +24 V dc +24 V dc Switch +24 V dc +24 V dc Switch LREADY THVEA THV PWM HSYNC MHV PWM DEVEA-A Supply EA LDON DEVEA-B Ground, Floating Ground, Floating Ground, Floating +5 V dc Ground...
  • Page 109 4044-XXX 5-13 Connector Locations...

  • Page 110: Lvps (Model E312)

    4044-XXX LVPS (model E312) Connector CN501 Power Switch CN502 Fuser Lamp CN503 Engine Board 5-14 Service Manual Pin No. Signal AC In AC In AC In AC In +5 V dc +5 V dc Ground, Floating Ground, Floating Fuser On +24 V dc Switch Ground Ground...
  • Page 111 4044-XXX 5-15 Connector Locations...

  • Page 112: High Voltage Power Supply (Model E310)

    4044-XXX High Voltage Power Supply (model E310) Connector CN1 Engine/LVPS Board 5-16 Service Manual Pin No. Signal +24 V dc +24 V dc SWITCH +24 V dc Ground SUPPLY LDON DEV350 Ground THVPWM HSYNC Ground EXT CLK THVEA Ground DEV300 LREADY +5 V dc P MOTOR...
  • Page 113 4044-XXX Connector CN2 Cover Open Switch CN3 Printhead CN4 Printhead Pin No. Signal +24 V dc SWITCH Not Used +24 V dc +24 V dc SWITCH AGND P MOTOR LREADY EXT CLK HSYNC +5 V dc SWITCH Ground LDON Ground Connector Locations 5-17...

  • Page 114: High Voltage Power Supply (Model E312)

    4044-XXX High Voltage Power Supply (model E312) Connector CN1 Engine Board 5-18 Service Manual Pin No. Signal +24 V dc SWITCH +24 V dc +24 V dc SWITCH + 24 V dc THVEA LREADY THV PWM MHV PWM HSYNC SUPPLYEA DEVEA-A DEVEA-B LDON...
  • Page 115 4044-XXX Connector CN2 Cover Open Switch CN3 Printhead CN4 Printhead Pin No. Signal +24 V dc SWITCH +5 V dc SWITCH +5 V dc +24 V dc +24 V dc SWITCH AGND P MOTOR LREADY EXT CLK HSYNC +5 V dc SWITCH Ground, Floating LDON Not Used...
  • Page 116 4044-XXX 5-20 Service Manual...

  • Page 117: Interconnect Board (Model E310)

    4044-XXX Interconnect Board (model E310) Connector CN401 Paper Feed/Paper Narrow Sensor CN402 Clutch CN403 Paper Empty Sensor CN404 Developer Fuse CN405 Main Motor Pin No. Signal PFEED J PNARROW J +5 V dc Ground +24 V dc CLUTCH J PEMPTY J +5 V dc Ground Not Used...
  • Page 118 4044-XXX Connector CN406 Engine/LVPS Board CN407 Pre-Transfer LED (PTL) CN408 Cooling Fan 5-22 Service Manual Pin No. Signal MOTOR EA J DEV FUSE FAN J MOTOR PA J MOTOR PB J NEW DEV J AGND AGND PFEED J Ground Ground PEMPTY J CLUTCH J PNARROW J...
  • Page 119 4044-XXX 5-23 Connector Locations...
  • Page 120 4044-XXX 5-24 Service Manual...

  • Page 121: Parts Catalog

    4044-XXX 6. Parts Catalog How To Use This Parts Catalog • SIMILAR ASSEMBLIES: If two assemblies contain a majority of identical parts, they are shown on the same list. Common parts are shown by one index number. Parts peculiar to one or the other of the assemblies are listed separately and identified by description.

  • Page 122: Assembly 1: Covers

    4044-XXX Assembly 1: Covers Service Manual...
  • Page 123 4044-XXX Asm- Part Index Number 12G0021 12G0022 12G1939 12G0175 12G0024 12G0025 12G0126 12G0030 12G0031 12G0032 1-10 12G1850 1-11 12G0027 1-12 1-13 12G0181 1-14 12G0029 1-15 12G1846 1-15 12G1874 1-15 12G3668 12G3972 12G0112 Units Description Extender, Paper Support Support, Paper E310 Support, Paper E312 Cover Asm, Cooling Air/Stacker Stacker Assembly, Paper...
  • Page 124 4044-XXX Assembly 1: Covers (continued) Service Manual...
  • Page 125 4044-XXX Asm- Part Index Number 1-17 12G0035 1-17 12G1938 1-18 12G0098 1-19 1-20 12G1847 1-21 12G0037 1-22 12G0040 1-23 12G0041 1-24 12G0176 Units Description Tray Asm, Paper E310 Tray Asm, Paper E312 Cover Asm, Rear Screw, Type 1 PP 12G0101 Cover, Right Side Cover, Lower Front Cover, Left Side...

  • Page 126: Assembly 2: Frame

    4044-XXX Assembly 2: Frame Service Manual...
  • Page 127 4044-XXX Asm- Part Index Number 12G0099 12G0046 12G1879 12G0125 12G1882 12G0047 12G1929 12G0128 12G0059 12G0155 2-10 12G0154 2-11 12G0152 2-11 12G1883 2-12 12G0060 2-12 12G1881 2-13 12G0153 2-14 12G0045 2-14 12G1878 Units Description Cable Asm, Printhead to HVPS Printhead Assembly E310 Printhead Assembly E312 Screw, Type 2 PP 12G0101 Screw, Type 3 PP 12G0101...
  • Page 128 4044-XXX Assembly 2: Frame (continued) Service Manual...
  • Page 129 4044-XXX Asm- Part Index Number 2-15 12G0048 2-16 12G0057 2-16 12G1887 2-17 12G0049 2-18 12G0119 2-18 12G1931 2-19 12G0127 2-20 12G0120 2-20 12G1932 2-21 12G0106 2-22 2-23 12G0050 2-23 12G1884 2-24 12G0113 2-25 12G0051 2-25 12G1885 2-26 12G0109 2-27 12G0052 2-28 12G0061 2-29...

  • Page 130: Assembly 3: Fuser

    4044-XXX Assembly 3: Fuser 6-10 Service Manual...
  • Page 131 4044-XXX Asm- Part Index Number 12G0074 12G1935 12G0122 12G1936 12G0075 12G0166 12G0167 12G0165 12G0160 12G0161 12G0159 3-10 12G0123 3-11 12G0103 3-11 12G1891 3-12 12G0157 3-13 12G0158 3-14 12G0171 Units Description Fuser Assembly 110 V dc E310 Fuser Assembly 110 V dc E312 Fuser Assembly 220 V dc E310 Fuser Assembly 220 V dc E312 Screw, Type 3 PP 12G0101...
  • Page 132 4044-XXX Assembly 3: Fuser (continued) 6-12 Service Manual...
  • Page 133 4044-XXX Asm- Part Index Number 3-15 12G0172 3-16 12G0156 3-17 12G0076 3-17 12G1892 3-18 12G1942 3-19 12G0078 3-19 12G1893 3-19 12G0124 3-19 12G1894 3-20 12G0082 3-21 12G0081 3-22 12G0080 3-23 12G0083 3-24 12G0084 3-25 12G0174 3-26 12G0086 3-27 12G0079 3-28 12G0077 3-29 12G3776...

  • Page 134: Assembly 4: Main Drive

    4044-XXX Assembly 4: Main Drive 6-14 Service Manual...
  • Page 135 4044-XXX Asm- Part Index Number 12G0042 12G1877 12G0044 4-10 4-11 Units Description Main Drive Assembly E310 Main Drive Assembly E312 Motor Asm, Main Screw, Type 4 PP 12G0101 Gear, Drive Feed 1 PP 12G0102 Gear, Drive Feed 2 PP 12G0102 Gear, Input Paper Feed PP 12G0102 Screw, Type 3 PP 12G0101...

  • Page 136: Assembly 5: Paper Feed

    4044-XXX Assembly 5: Paper Feed 6-16 Service Manual...
  • Page 137 4044-XXX Asm- Part Index Number 12G0063 12G0068 12G0062 12G0121 12G0104 12G0065 12G0067 12G1933 12G0066 5-10 12G0064 Units Description Holder Asm, Spring Spring, Pad Asm, Rear Pad Asm, Pick Roller Spring, Pad Asm, Lower Spring, Separator Asm Clip, E PP 12G0101 Clutch Asm, Pick Roller Roller Asm, Pick E310 Roller Asm, Pick E312...
  • Page 138 4044-XXX Assembly 5: Paper Feed (continued) 6-18 Service Manual...
  • Page 139 4044-XXX Asm- Part Index Number 5-11 12G0105 5-11 12G1934 5-12 12G0072 5-13 12G0070 5-13 12G1889 5-14 12G0073 5-15 12G0071 Units Description Shaft Asm, Input Paper Feed E310 Shaft Asm, Input Paper Feed E312 Separator, Secondary Paper E310 Roller Asm, Input Paper Feed E310 Roller Asm, Input Paper Feed E312 Sensor, Paper Present Flag, Paper Sensor Present...

  • Page 140: Assembly 6: Electronics (Model E310)

    4044-XXX Assembly 6: Electronics (model E310) 6-20 Service Manual...
  • Page 141 4044-XXX Asm- Part Index Number 12G0087 1339526 1339517 1339519 1339520 1339521 1339522 1339523 1339525 1342534 1342536 12G0097 12G0108 12G3786 12G3783 12G3784 12G0114 Units Description Board Asm, HVPS E310 Power Cord, U.S., Canada, Brazil (HV) Power Cord, Saudi Arabia Power Cord, U.K., Ireland, Bahrain, Qatar, Oman, Jordan, Iraq, Kuwait, Yemen, Egypt, Sudan Power Cord, Austria, Germany,...
  • Page 142 4044-XXX Assembly 6: Electronics (model E310 continued) 6-22 Service Manual...
  • Page 143 4044-XXX Asm- Part Index Number 12G0095 12G0089 12G0091 6-10 12G0090 6-10 12G0092 6-11 12G0100 6-12 12G0088 6-13 12G1828 6-14 12G0096 Units Description Cable Asm, Engine/LVPS Board to Controller Board E310 Board Asm, Engine/LVPS-110 V ac E310 Board Asm, Engine/LVPS-220 V ac E310 Fuse, Power Supply-110 V ac Fuse, Power Supply-220 V ac...

  • Page 144: Assembly 6: Electronics (Model E312)

    4044-XXX Assembly 6: Electronics (model E312) 6-24 Service Manual...
  • Page 145 4044-XXX Asm- Part Index Number 12G1896 12G1940 12G0108 12G1872 12G0114 12G1926 12G1941 6-10 12G1898 6-10 12G1899 6-11 12G0090 6-11 12G0092 6-12 12G1937 6-13 12G1927 Units Description Board Asm, HVPS E312 Power Cord Reference Assembly 6: Electronics (model 310) Asm/Index 6-2. Cable Asm, Motor to Engine Board E312 Bracket, Controller Board Mounting...

  • Page 146: Assembly 7: Options

    4044-XXX Assembly 7: Options Asm- Part Index Number 99A0517 99A0518 99A0519 99A0520 99A0724 99A0521 99A0522 99A0523 99A0545 6-26 Service Manual Units Description SIMM, 4MB DRAM Memory SIMM, 8MB DRAM Memory SIMM, 16MB DRAM Memory SIMM, 32MB DRAM Memory SIMM, 64MB DRAM Memory SIMM, 1 Meg Flash Memory SIMM, 2 Meg Flash Memory SIMM, 4 Meg Flash Memory...

  • Page 147: Assembly 8: Miscellaneous

    4044-XXX Assembly 8: Miscellaneous Asm- Part Units Index Number Description Parts Packet, Fasteners PP 12G0101 o Screw, Type 1 (m3x10) o Screw, Type 2 (m4x10) o Screw, Type 3 (m3x10) o Screw, Type 4 (m3x6) o Clip, E Parts Packet, Gears PP 12G0102 o Gear, Drive Feed 1 o Gear, Drive Feed 2 o Gear, Input Paper Feed...
  • Page 148 4044-XXX 6-28 Service Manual...
  • Page 149 4044-XXX Index Acronyms Base Printer Symptom Table Configuration Mode Configuration Mode Settings CRLF/LFCR Parallel Mode 1 Parallel Mode 2 Parallel NPA Parallel Port Parallel Protocol Parallel Strobe PPDS 3-11 USB NPA 3-10 USB Port Connector Locations Controller Board Engine/LVPS Board...
  • Page 150 Print Quality Service Error Codes Primary Service Error Codes Secondary Service Error Codes 2-10 Symptom Tables Base Printer Symptom Table POST Symptom Table Toggle Demo/Normal Mode User Error Message Table Service Manual Primary User Error Message Table Secondary User Error Message...

  • Page 151: Index

    4044-XXX 6-19 12G0071 6-19 12G0072 6-19 12G0073 6-11 12G0074 6-11 12G0075 6-13 12G0076 6-13 12G0077 6-13 12G0078 6-13 12G0079 6-13 12G0080 6-13 12G0081 6-13 12G0082 6-13 12G0083 6-13 12G0084 6-13 12G0086 6-21 12G0087 6-23 12G0088 6-23 12G0089 6-23, 6-25 12G0090 6-23 12G0091 6-23,...
  • Page 152 4044-XXX 6-25 12G1926 6-25 12G1927 12G1929 12G1930 12G1931 12G1932 6-17 12G1933 6-19 12G1934 6-11 12G1935 6-11 12G1936 6-25 12G1937 12G1938 12G1939 6-25 12G1940 6-25 12G1941 6-13 12G1942 12G3668 6-13 12G3776 6-13 12G3777 12G3972 6-21 1339517 6-21 1339519 6-21 1339520 6-21 1339521 6-21 1339522...
  • Page 153 P/N 12G3613 05/00 You may use this form to communicate your comments about this publication, with the understanding that Lexmark may use or distribute whatever infor mation you supply in any way it believes appropriate without incurring any obligation to you.
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