OptraTM 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.
4044-XXX Edition: May 2001 The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK INTERNATIONAL, INC. PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions; therefore, this statement may not apply to you.
4044-XXX Table of Contents Notices and Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Laser Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
044-XXX Removal Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2 Screw Identification Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2 Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2 Frame Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7 Fuser Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8 HVPS. . . . . . . . . .
4044-XXX 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. Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb (3b) laser that is nominally a 5 milliwatt gallium arsenide laser operating in the wavelength region of 770-795 nanometers.
4044-XXX Laser Advisory Label vi
4044-XXX Class 1 Laser Statement Label vii
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 amtlicher Bestätigung erfüllt. Laserprodukte der Klasse I gelten als unschädlich.
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. I prodotti laser di classe non sono considerati pericolosi.
4044-XXX Declaração sobre Laser A impressora está certificada nos E.U.A. em conformidade com os requisitos da regulamentação DHHS 21 CFR Subcapítulo J para a Classe I (1) de produtos laser. Em outros locais, está certificada como um produto laser da Classe I, em conformidade com os requisitos da norma IEC 825. Os produtos laser da Classe I não são considerados perigosos.
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.
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 5 milliwatt som arbetar i våglängdsområdet 770795 nanometer.
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. Els productes làser de classe I no es consideren perillosos. Aquesta impressora conté un làser de classe IIIb (3b) d’arseniür de gal.li, nominalment de 5 mil.
4044-XXX Japanese Laser Notice Chinese Laser Notice xiv
4044-XXX Korean Laser Notice 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. • The maintenance information for this product has been prepared for use by a professional service person and is not intended to be used by others.
4044-XXX Consignes de Sécurité • Ce produit a été conçu, testé et approuvé pour respecter les normes strictes de sécurité globale lors de l'utilisation de composants Lexmark spécifiques. Les caractéristiques de sécurité de certains éléments ne sont pas toujours évidentes. Lexmark ne peut être tenu responsable de l'utilisation d'autres pièces de rechange. • Les consignes d'entretien et de réparation de ce produit s'adressent uniquement à un personnel de maintenance qualifié.
4044-XXX Sicherheitshinweise • Dieses Produkt und die zugehörigen Komponenten wurden entworfen und getestet, um beim 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.
4044-XXX Informações de Segurança • Este produto foi concebido, testado e aprovado para satisfazer os padrões globais de segurança na utilização de componentes específicos da 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 utilizadas por outras pessoas.
4044-XXX Chinese Safety Information Korean Safety Information xix
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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.
4044-XXX Acronyms CSU DRAM EP EPROM ESD FRU HVPS LASER LCD LED LVPS MROM NVRAM OEM PC POST ROM SIMM SRAM UPR USB V ac V dc Customer Setup Dynamic Random Access Memory Electrophotographic Process Erasable, Programmable Read-Only Memory Electrostatic Discharge Field Replaceable Unit High Voltage Power Supply Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode Low Voltage Power Supply Masked Read Only Memory Nonvolatile Random Access Memory Original Equipment M
4044-XXX 2. Diagnostic Information Start CAUTION: NEVER manually actuate or disable the top cover interlock switch and the printhead shutter actuator at the same time. To perform some of the service checks and tests, such as troubleshooting paper feed problems, you need to actuate the top cover interlock switch with the covers opened or removed and power applied to the machine. It is important for personal safety that you DO NOT, FOR ANY REASON, disable the printhead shutter actuator when power is on.
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. Locate the blinking LEDs in the following table and take the indicated action.
4044-XXX Blinking Operator Panel LED Action Mirror Motor Failure Inspect the printhead cable and replace as necessary. Replace the printhead assembly. If this does not correct the problem, replace the engine/LVPS board. Optional Memory Error Replace the optional memory SIMM. If this does not correct the problem, replace the controller board. ROM Checksum Error Replace the ROM SIMM. If this does not correct the problem, replace the controller board.
4044-XXX Blinking Operator Panel LED Action ASIC Register Failure Error Replace the controller board ASIC SRAM Failure Error Replace the controller board Flash Memory Failure Error Replace the ROM SIMM w/Flash. If this does not correct the problem, replace the controller board. Font Checksum Failure Error Replace the ROM SIMM. If this does not correct the problem, replace the controller board.
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. Blinking Operator Panel LED Action Fuser Failure - Over Temperature Go to the “Hot Fuser Service Check” on page 2-21.
4044-XXX 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. User Error Message LED Status Action Paper Jam Paper Jam on solid Open cover and clear any paper jams. Close the top cover.
4044-XXX User Error Message LED Status Action Memory Full/Complex Page/Resolution Reduction Warning/ Font Error/ Resource Save Off Deficient Memory Error on solid and Press Button on solid 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 300 dpi before printing, or the printer is unable to maintain the required data transfer rate. Go to the “Secondary User Error Message Table” on page 2-8.
4044-XXX Secondary User Error Message Table 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.
4044-XXX User Error Message LED Status Action Font Error Data blinking and Error, Press Button on solid The print command is requesting a font that is not present or installed. The user must select a different font or try turning the Best Fit setting on and retry the print command. Resource Save Off Deficient Memory Ready blinking and Error, Press Button on solid The printer lacks sufficient memory to enable Resource Save.
4044-XXX Symptom Tables POST Symptom Table Symptom Action The main motor, cooling fan and fuser do not come on. Go to “Cover Open Switch Service Check” on page 2-13. POST completes except one or more LEDs do not come on. Go to the“Operator Panel Service Check” on page 2-23. None of the LEDs come on. Go to the “Operator Panel Service Check” on page 2-23. Main motor does not come on. Go to the “Main Motor Service Check” on page 2-21. Fan does not come on.
4044-XXX Symptom Action Blank page Go to “Blank page” on page 2-28. Black page Go to “Black page” on page 2-29. Heavy background Go to “Heavy background” on page 2-30. Light print Go to “Light print” on page 2-33. White or black lines or bands Go to “White or black lines or bands” on page 2-34. Toner on back of page Go to “Toner on back of page” on page 2-34. Incorrect characters print Go to “Incorrect characters print” on page 2-34. Paper jams Go to “Paper Feed Service Check” on page 2-24.
4044-XXX Service Checks Note: All service checks which involve measuring voltages of the circuit boards (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.
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. FRU Action Models E310 & E312 Cover Open Switch Make sure the cover open switch cable is properly seated in CN2 of the HVPS. Disconnect the cable and check the switch for continuity.
4044-XXX FRU Action Model E312 HVPS Measure the voltages at CN2 of the HVPS. CN2-3 measures +5 V dc and CN2-4 measures +24 V dc. If the correct voltage is present, check the continuity between the following connector locations: CN2-3 - CN1-17 CN2-3 - CN1-19 CN2-4 - CN1-2 CN2-4 - CN1-4 If any location does not measure continuity, replace the HVPS. Model E312 HVPS to Engine Board Cable Replace the cable if it does not measure continuity.
4044-XXX FRU Action Model E310 Engine/LVPS Board Power Switch 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. If no voltage is present, replace the power switch. If line voltage is present, measure the voltages at connectors CN2 and CN5.
4044-XXX FRU Action Model E312 LVPS Board 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. Model E312 Engine Board Reconnect the LVPS cable to connector CN7 on the engine board. Disconnect all other cables from the engine board. Go to the “Engine Board (model E312)” on page -9. Check the voltage measurements at each connector.
4044-XXX Fuser Service Check Cold Fuser Service Check When toner is partially fused to the paper, it is usually caused by low fuser temperature. Avoid handling the lamp as much as possible as it is easily broken. Be careful not to touch the glass housing with bare hands as skin contains acids that can weaken the glass.
44-XXX The fuser lamp does light FRU Action Model 310 Thermistor If the fuser lamp comes on and a fuser failure LED error code displays, be sure the thermistor is contacting the hot roll and the thermistor cable is firmly seated in connector CN1 on the 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.
4044-XXX The fuser lamp does not light FRU Action Model E310 Fuser Lamp Lamp Cable Thermistor LVPS 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. Step 1: Continuity Measure the voltage at connector CN202 on the LVPS. It should match the line voltage. If it does not, replace the LVPS.
4044-XXX FRU Action Model E312 Fuser Lamp Lamp Cable Thermistor LVPS 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. Step 1: Continuity Measure the voltage at connector CN502 on the LVPS. It should match the line voltage. If it does not, replace the LVPS.
4044-XXX Hot Fuser Service Check FRU Action Model E310 Fuser Thermistor Disconnect the thermistor cable from the LVPS. Measure the resistance across CN1-1 and CN1-2 of the thermistor cable. Replace the thermistor if the resistance is lower than 1k ohm or shorted. Model E312 Fuser Thermistor Disconnect the thermistor cable from the engine board. Measure the resistance across CN10-1 and CN10-3 of the thermistor cable. Replace the thermistor if the resistance is lower than 1k ohm or shorted.
4044-XXX FRU Action Model E312 Engine Board Main Motor Main Motor Cable 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. If continuity exists on each wire, replace the main motor. If continuity does not exist on one or more of the wires, replace the cable.
4044-XXX Operator Panel Service Check Inspect the operator panel cable for damage. Make sure the cable is plugged in securely. Run POST and check each LED for proper operation. FRU Action Models E310 & E312 Operator Panel Operator Panel Cable If more than one LED does not turn on or an individual LED stays on solid during POST, check the operator panel cable for continuity. Replace if defective. If the cable measures continuity, replace the operator panel.
4044-XXX Operator Panel Button Service Check FRU Action Models E310 & E312 Operator Panel Operator Panel Cable Disconnect the operator panel from the operator panel cable. Check the continuity between U5-1 and U5-2 on the operator panel as you press the operator panel button. As the button is pressed, continuity is present. Replace the operator panel if continuity is not present. If continuity is present, replace the operator panel cable.
4044-XXX Paper picks during POST and/or continuously FRU Action Models E310 & E312 Pick Roller Clutch Solenoid Check the pick roller clutch for wear. The solenoid interacts with the clutch controlling motion of the pick roller. If the cam surface of the pick roller clutch assembly is worn, the solenoid may not stop the pick roller from rotating. Replace the pick roller clutch assembly if necessary. Make sure the spring on the solenoid is properly installed.
4044-XXX FRU Action Model E312 Input Paper Feed Sensor Engine Board 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. Disconnect the cable and check for the following voltages: CN6-3 +5 V dc CN6-4 Ground If these voltages are not correct, replace the engine board. If correct, replace the input paper feed sensor.
4044-XXX Paper never picks FRU Action Models E310 & E312 Paper Tray Make sure the paper tray is correctly installed. The black mylar guide sheet in the front of the tray must be positioned in the paper path just behind the pick roller assembly. This guide sheet can easily block the paper path if installed incorrectly. Model E310 Pick Roller Solenoid Make sure solenoid is installed correctly and its cable is plugged into CN402 on the interconnect board.
4044-XXX Paper "trees", wrinkles, stacks poorly or curls FRU Action Models E310 & E312 Transfer Roller 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.
4044-XXX Black page Note: Incorrect laser exposure or incorrect charging of the photoconductor causes an all black page. FRU Action Models E310 & E312 HVPS Contacts Check the contacts for contamination and correct installation. Replace as necessary. Model E310 Engine/LVPS Board HVPS Cable HVPS Make sure the HVPS to engine/ LVPS cable is correctly installed. Disconnect the cable and measure the signals on CN2 of the engine/ LVPS board.
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. FRU Action Models E310 & E12 Toner Cartridge Make sure toner cartridge is correctly installed and the high voltage contacts are clean. If the cartridge is installed correctly, try a new cartridge.
4044-XXX Partial blank image/white spots (no periodic pattern) FRU Action Toner Cartridge Remove the toner cartridge and gently shake the assembly to evenly distribute the toner. If toner cartridge is low, try a new one. Fuser Backup Roller Springs Check left and right backup roller springs and backup roller to ensure adequate even pressure is applied to the fuser hotroll. Paper Make sure recommended paper is being used.
4044-XXX Periodic irregularity down page FRU Action PC Drum (Toner Cartridge) The PC drum or gear driving the PC drum may be contaminated or damaged. Inform the customer to replace the 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.
4044-XXX Poor fusing of image FRU Action Fuser Lamp The fuser may not be operating at the proper temperature to fuse the toner to the paper. Go to the “Cold Fuser Service Check” on page 2-17. Paper Make sure recommended paper is being used. Light print FRU Action Toner Cartridge Make sure the toner cartridge is installed correctly and is not low on toner. If the problem continues, install a new toner cartridge.
4044-XXX White or black lines or bands FRU Action Toner Cartridge Paper Feed Drive Gears Banding 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 paper as it feeds through the printer especially in the developer and transfer process. Inspect the toner cartridge and paper feed components, especially the drive gears, for signs of wear, debris, binds or damage.
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. 4. Try enabling the parallel port pull-up resistors. Go to “Parallel Mode 1” on page 3-8. Try printing a test page after enabling resistors. If the printer still does not print, disable the resistors. 5.
4044-XXX 2-36 Service Manual
4044-XXX 3. Diagnostic Aids This chapter explains the tests and procedures you can run to identify printer failures and verify that repairs have corrected the problem. Memory Test The following tests run sequentially when performing this test: Standard Memory Test Optional Memory Test The memory test runs automatically during POST if a different size optional memory SIMM is installed since the last printer power on. Perform the following steps to run the Memory Test: 1. Turn the printer off. 2.
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) Toner Saver (on/off) Print Resolution Print Darkness The next two test pages are used to evaluate print quality. One test page is gray and the other is black. Perform the following steps to print the second test page: 1. 2. 3. 4. 5. 6. 7.
4044-XXX 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. 3. The Ready LED comes on solid and the Data LED blinks indicating the printer is busy. 4.
4044-XXX Operator Panel Configuration Mode Button Definition Term Description Result Brief Button Press Press the operator panel button no longer than three seconds. This action moves through the configuration mode settings. Long Button Press Press and hold the operator panel button for more than three seconds. This action selects and saves the setting for the menu item displayed. To indicate that the setting is saved, all LEDs blink once.
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. All LEDs come on while the setting is saved. To select other menu items, double-click the operator panel button until the menu item LED you want is selected.
4044-XXX Configuration Mode Settings The following is a description of the available configuration mode menu items and settings. The asterisk (*) indicates the factory default setting. Parallel Port Parallel Port allows the user to enable or disable the parallel port. If the port is not being used, disabling it frees allocated memory to be used to process print jobs. Perform the following steps to change the Parallel Port setting: 1. Enter the configuration mode.
4044-XXX • When the LED is *blinking, the printer examines incoming data and decides whether it is receiving NPA packets. 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.
4044-XXX 3. The current PPDS setting is indicated by the Off/On/Auto (Press Button) LED. When the LED is *off, the PPDS is set to inactive. When the LED is on, the PPDS is set to active. Perform a brief button press to select the PPDS setting. 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.
4044-XXX Perform the following steps to change the Parallel Mode 1 setting: 1. Enter the configuration mode. 2. Perform a double click button press five times. This moves to the Parallel Mode 1 item on the configuration menu. The Parallel Mode 1 (Ready) LED is blinking. 3. The current Parallel Mode 1 setting is indicated by the Off/On/ Auto (Press Button) LED. When the LED is off, the Parallel Mode 1 is set to off. When the LED is *on, the Parallel Mode 1 is set to on.
4044-XXX available on the parallel port. Each increment of the strobe adjust value means the strobe is sampled 50ns longer. Perform the following steps to change the Parallel Strobe Adjust: 1. Enter the configuration mode. 2. Perform a double click button press seven times. This moves to the Parallel Strobe item on the configuration menu. The Parallel Strobe (Load Paper) LED is blinking. 3. The current Parallel Strobe setting is indicated by the Off/On/ Auto (Press Button) LED.
4044-XXX USB NPA USB NPA mode allows for two way communication between the host and the printer. Perform the following steps to change the USB NPA setting: 1. Enter the configuration mode. 2. Perform a double click button press nine times. This moves to the USB NPA mode item on the configuration menu. The USB NPA (Error) LED is blinking. 3. The current USB NPA setting is indicated by the Off/On/Auto (Press Button) LED.
4044-XXX 4. When the Error LED comes on solid, double-click the operator panel button. 5. Once the Error and Press Button LEDs start to blink, close the top cover. 6. The Ready LED comes on solid and the Error and Press Button LEDs continue blinking. 7. Double-click the operator button three times. The Paper Jam LED comes on solid while the Error and Press Button LEDs continue blinking. 8. Perform a long button press until all LEDs come on solid. The printer is in Hex Trace mode 9.
4044-XXX Engine Clean Cycle The Engine Clean Cycle function prints one blank page in a special cleaning mode. The cleaning mode helps eliminate small specs of toner present in the background when printing. Perform the following steps to perform the Engine Clean Cycle: 1. 2. 3. 4. 5. 6. 7. 8. Turn the printer power off. Open the top cover. Turn the printer power on. When the Error LED comes on solid, double-click the operator panel button.
4044-XXX Toggle Demo/Normal Mode The Toggle Demo/Normal Mode function enables or disables the printer’s retail demo mode. When the printer is in Demo mode, demo pages can be printed by briefly pressing the operator panel button. Perform the following steps to enter Toggle Demo/Normal Mode: 1. 2. 3. 4. 5. 6. 7. 8. 9. Turn the printer power off. Open the top cover. Turn the printer power on. When the Error LED comes on solid, double-click the operator panel button.
4044-XXX Paper Path Diagnostic Aids 3-15
4044-XXX 3-16 Service Manual
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).
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 Type 2 Screw Type 3 Screw Type 4 Screw Covers Front Cover and Face Up Cover 1. Press the cover inward to release it and pull it forward.
4044-XXX 2. Remove the face up cover. 3. Open the front cover.
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.
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.
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.
4044-XXX Frame Assembly 1. 2. 3. 4. Remove all covers. Remove the HVPS. Remove the two screws and remove the solenoid. Remove the six screws and remove the frame assembly.
4044-XXX Fuser Assembly 1. 2. 3. 4. 5. 6. Remove all covers. Remove the wire cover mounting screw (A). Remove the two fuser lamp wire mounting screws (B). Unplug the connector from the engine/LVPS board. Remove the two fuser mounting screws (C). Release the two snaps holding the fuser down.
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.
4044-XXX HVPS 1. Remove all covers. 2. Remove the HVPS board mounting screws.
4044-XXX 3. Unplug the three cables from the connectors on top of the HVPS. 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.
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.
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.
4044-XXX 4. Unplug all the connectors from the engine/LVPS board. 5. Remove the five screws and remove the engine/LVPS board.
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.
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. 8. Remove the screws mounting the engine board to the lower frame and remove the engine board.
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.
4044-XXX Pick Roll Assembly 1. Remove all the covers. 2. Remove the high voltage power supply. 3. Remove the roller bearing.
4044-XXX 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.
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.
4044-XXX 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.
4044-XXX 4-22 Service Manual
4044-XXX 5. Connector Locations Controller Board (model E310/E312) Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX Connector Locations 5-3
4044-XXX Engine/LVPS Board (model E310) Connector Pin No. Signal CN201 Power Switch 1 AC In 2 AC In 1 AC In 2 AC In 1 THERM 2 +3.
4044-XXX Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX 5-8 Service Manual
4044-XXX Engine Board (model E312) Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX Connector Locations 5-13
4044-XXX LVPS (model E312) Connector Pin No.
4044-XXX Connector Locations 5-15
4044-XXX High Voltage Power Supply (model E310) Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX High Voltage Power Supply (model E312) Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX 5-20 Service Manual
4044-XXX Interconnect Board (model E310) Connector Pin No.
4044-XXX Connector Pin No.
4044-XXX Connector Locations 5-23
4044-XXX 5-24 Service Manual
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. AR: (As Required) in the Units column indicates that the quantity is not the same for all machines.
4044-XXX Assembly 1: Covers 6-2 Service Manual
4044-XXX AsmIndex Part Number Units Description 1-1 12G0021 1 Extender, Paper Support 1-2 12G0022 1 Support, Paper E310 1-2 12G1939 1 Support, Paper E312 1-3 12G0175 1 Cover Asm, Cooling Air/Stacker 1-4 12G0024 1 Stacker Assembly, Paper 1-5 12G0025 1 Support, Open Cover 1-6 12G0126 2 Guide, Paper Stacker 1-7 12G0030 1 Button, Operator Panel 1-8 12G0031 1 Lens, Operator Panel 1-9 12G0032 1 Panel, Operator 1-10 12G1850 1 Cover, Op Panel Cable 1-11 12G0027 1
4044-XXX Assembly 1: Covers (continued) 6-4 Service Manual
4044-XXX AsmIndex Part Number Units Description 1-17 12G0035 1 Tray Asm, Paper E310 1-17 12G1938 1 Tray Asm, Paper E312 1-18 12G0098 1 Cover Asm, Rear 7 Screw, Type 1 PP 12G0101 1-20 12G1847 1 Cover, Right Side 1-21 12G0037 1 Cover, Lower Front 1-22 12G0040 1 Cover, Left Side 1-23 12G0041 1 Cover, Top 1-24 12G0176 1 Cover, Optional Paper 1-19 Parts Catalog 6-5
4044-XXX Assembly 2: Frame 6-6 Service Manual
4044-XXX AsmIndex Part Number Units Description 2-1 12G0099 1 Cable Asm, Printhead to HVPS 2-2 12G0046 1 Printhead Assembly E310 2-2 12G1879 1 Printhead Assembly E312 2-3 6 Screw, Type 2 PP 12G0101 2-4 13 Screw, Type 3 PP 12G0101 2-5 12G0125 1 Frame, Upper E310 2-5 12G1882 1 Frame, Upper E312 2-6 12G0047 1 Solenoid, Pick Roller Clutch E310 2-6 12G1929 1 Solenoid, Pick Roller Clutch E312 2-7 12G0128 1 Fan, Cooling 2-8 12G0059 2 Spring, Print Cartridge Lock 2-9
4044-XXX Assembly 2: Frame (continued) 6-8 Service Manual
4044-XXX AsmIndex Part Number Units Description 2-15 12G0048 1 Roller, Transfer 2-16 12G0057 1 LED Asm, Pre-Transfer E310 2-16 12G1887 1 LED Asm, Pre-Transfer E312 2-17 12G0049 1 Bearing Asm, Transfer Roller Right 2-18 12G0119 1 Pad Asm, Friction Left E310 2-18 12G1931 1 Pad Asm, Friction Left E312 2-19 12G0127 2 Post, Separator Asm Spring 2-20 12G0120 1 Pad Asm, Friction Right E310 2-20 12G1932 1 Pad Asm, Friction Right E312 2-21 12G0106 2 Foot, Rubber 5 Screw,
4044-XXX Assembly 3: Fuser 6-10 Service Manual
4044-XXX AsmIndex Part Number Units Description 3-1 12G0074 1 Fuser Assembly 110 V dc E310 3-1 12G1935 1 Fuser Assembly 110 V dc E312 3-1 12G0122 1 Fuser Assembly 220 V dc E310 3-1 12G1936 1 Fuser Assembly 220 V dc E312 7 Screw, Type 3 PP 12G0101 3-2 3-3 12G0075 1 Fuse, Thermal 3-4 12G0166 2 Bearing, Fuser Exit Roller 3-5 12G0167 1 Gear, Fuser Exit Roller 3-6 12G0165 1 Roller Asm, Fuser Exit/Redrive 3-7 12G0160 2 Gear, Redrive, Idler #2 3-8 12G0161 1 Gear, Redri
4044-XXX Assembly 3: Fuser (continued) 6-12 Service Manual
4044-XXX AsmIndex Part Number Units Description 3-15 12G0172 2 Shaft, Fuser Exit Roller 3-16 12G0156 1 Roller, Fuser Exit Center 3-17 12G0076 1 Thermistor, Hot Roll E310 3-17 12G1892 1 Thermistor, Hot Roll E312 3-18 12G1942 1 Holder, Fuser Exit Center Roller 3-19 12G0078 1 Lamp, Fuser, 110 V ac E310 3-19 12G1893 1 Lamp, Fuser, 110 V ac E312 3-19 12G0124 1 Lamp, Fuser, 220 V ac E310 3-19 12G1894 1 Lamp, Fuser, 220 V ac E312 3-20 12G0082 1 Plate, Hot Roll Ground 3-
4044-XXX Assembly 4: Main Drive 6-14 Service Manual
4044-XXX AsmIndex Part Number Units Description 4-1 12G0042 1 Main Drive Assembly E310 4-1 12G1877 1 Main Drive Assembly E312 4-2 12G0044 1 Motor Asm, Main 4-3 5 Screw, Type 4 PP 12G0101 4-4 1 Gear, Drive Feed 1 PP 12G0102 4-5 1 Gear, Drive Feed 2 PP 12G0102 4-6 1 Gear, Input Paper Feed PP 12G0102 4-7 6 Screw, Type 3 PP 12G0101 4-8 1 Gear, Fuser Drive PP 12G0102 4-9 1 Gear, Idler PP 12G0102 4-10 1 Gear, OPC Drive 1 PP 12G0102 4-11 1 Gear, OPC Drive 2 PP 12G0102 Pa
4044-XXX Assembly 5: Paper Feed 6-16 Service Manual
4044-XXX AsmIndex Part Number Units Description 5-1 12G0063 1 Holder Asm, Spring 5-2 12G0068 1 Spring, Pad Asm, Rear 5-3 12G0062 1 Pad Asm, Pick Roller 5-4 12G0121 1 Spring, Pad Asm, Lower 5-5 12G0104 2 Spring, Separator Asm 5-6 1 Clip, E PP 12G0101 5-7 12G0065 1 Clutch Asm, Pick Roller 5-8 12G0067 1 Roller Asm, Pick E310 5-8 12G1933 1 Roller Asm, Pick E312 5-9 12G0066 1 Bearing, Left Pick Roller Shaft 5-10 12G0064 1 Separator Asm, Paper Parts Catalog 6-17
4044-XXX Assembly 5: Paper Feed (continued) 6-18 Service Manual
4044-XXX AsmIndex Part Number Units Description 5-11 12G0105 1 Shaft Asm, Input Paper Feed E310 5-11 12G1934 1 Shaft Asm, Input Paper Feed E312 5-12 12G0072 2 Separator, Secondary Paper E310 5-13 12G0070 1 Roller Asm, Input Paper Feed E310 5-13 12G1889 1 Roller Asm, Input Paper Feed E312 5-14 12G0073 1 Sensor, Paper Present 5-15 12G0071 1 Flag, Paper Sensor Present Parts Catalog 6-19
4044-XXX Assembly 6: Electronics (model E310) 6-20 Service Manual
4044-XXX AsmIndex Part Number Units Description 6-1 12G0087 1 Board Asm, HVPS E310 6-2 1339526 1 Power Cord, U.S., Canada, Brazil (HV) 6-2 1339517 1 Power Cord, Saudi Arabia 6-2 1339519 1 Power Cord, U.K.
4044-XXX Assembly 6: Electronics (model E310 continued) 6-22 Service Manual
4044-XXX AsmIndex Part Number Units Description 6-8 12G0095 1 Cable Asm, Engine/LVPS Board to Controller Board E310 6-9 12G0089 1 Board Asm, Engine/LVPS-110 V ac E310 6-9 12G0091 1 Board Asm, Engine/LVPS-220 V ac E310 6-10 12G0090 1 Fuse, Power Supply-110 V ac 6-10 12G0092 1 Fuse, Power Supply-220 V ac 6-11 12G0100 1 Cable Asm, Engine/LVPS Board to Interconnect Board E310 6-12 12G0088 1 Board Asm, Interconnect E310 6-13 12G1828 1 Guide, Cable E310 6-14 12G0096 1 Cable
4044-XXX Assembly 6: Electronics (model E312) 6-24 Service Manual
4044-XXX AsmIndex Part Number Units Description 6-1 12G1896 1 Board Asm, HVPS E312 6-2 Power Cord Reference Assembly 6: Electronics (model 310) Asm/Index 6-2.
4044-XXX Assembly 7: Options AsmIndex Part Number Units Description 7 99A0517 1 SIMM, 4MB DRAM Memory 7 99A0518 1 SIMM, 8MB DRAM Memory 7 99A0519 1 SIMM, 16MB DRAM Memory 7 99A0520 1 SIMM, 32MB DRAM Memory 7 99A0724 1 SIMM, 64MB DRAM Memory 7 99A0521 1 SIMM, 1 Meg Flash Memory 7 99A0522 1 SIMM, 2 Meg Flash Memory 7 99A0523 1 SIMM, 4 Meg Flash Memory 7 99A0545 1 Adapter, External Serial 6-26 Service Manual
4044-XXX Assembly 8: Miscellaneous AsmIndex 8 8 Part Number Units Description 1 Parts Packet, Fasteners PP 12G0101 3 o Screw, Type 1 (m3x10) 2 o Screw, Type 2 (m4x10) 6 o Screw, Type 3 (m3x10) 2 o Screw, Type 4 (m3x6) 1 o Clip, E 1 Parts Packet, Gears PP 12G0102 1 o Gear, Drive Feed 1 1 o Gear, Drive Feed 2 1 o Gear, Input Paper Feed 1 o Gear, OPC Drive 2 1 o Gear, OPC Drive 1 1 o Gear, Idler 1 o Gear, Fuser Drive Parts Catalog 6-27
4044-XXX 6-28 Service Manual
4044-XXX Index A E Acronyms 1-2 Engine Clean Cycle 3-13 Engine/LVPS Board Connectors 5-4 ESD-sensitive Parts 4-1 B Base Printer Symptom Table 2-10 C General Information 1-1 Configuration Mode 3-3 Configuration Mode Settings 3-6 CRLF/LFCR 3-8 Parallel Mode 1 3-8 Parallel Mode 2 3-9 Parallel NPA 3-6 Parallel Port 3-6 Parallel Protocol 3-7 Parallel Strobe 3-9 PPDS 3-7 USB NPA 3-11 USB Port 3-10 Connector Locations 5-1 Controller Board 5-1 Engine/LVPS Board 5-4 HVPS 5-16, 5-18 Interconnect Board 5-21 Co
4044-XXX Printer Operation 3-14 Primary User Error Message Table 2-6 R Removals 4-2 Covers 4-2 Engine/LVPS Board (model E310) 4-13 Engine/LVPS Board (model E312) Secondary User Error Message Table 2-8 User Mode Print Test Page 3-3 Part Numbers 12G0021 12G0022 Frame Assembly 4-7 12G0024 Fuser Assembly 4-8 12G0025 HVPS 4-10 12G0027 Interconnect Board 4-12 12G0029 Main Drive Assembly 4-17 12G0030 Pick Roll Assembly 4-18 12G0031 Printhead Assembly 4-20 12G0032 Transfer Roll 4-21 12G0035 Restoring Factory
4044-XXX 12G0071 12G0072 12G0073 12G0074 12G0075 12G0076 12G0077 12G0078 12G0079 12G0080 12G0081 12G0082 12G0083 12G0084 12G0086 12G0087 12G0088 12G0089 12G0090 12G0091 12G0092 12G0094 12G0095 12G0096 12G0097 12G0098 12G0099 12G0100 12G0101 12G0102 12G0103 12G0104 12G0105 12G0106 12G0107 12G0108 12G0109 12G0112 12G0113 12G0114 12G0119 12G0120 12G0121 12G0122 12G0123 12G0124 12G0125 6-19 6-19 6-19 6-11 6-11 6-13 6-13 6-13 6-13 6-13 6-13 6-13 6-13 6-13 6-13 6-21 6-23 6-23 6-23, 6-25 6-23 6-23, 6-25 6-21 6-23
4044-XXX 12G1926 12G1927 12G1929 12G1930 12G1931 12G1932 12G1933 12G1934 12G1935 12G1936 12G1937 12G1938 12G1939 12G1940 12G1941 12G1942 12G3668 12G3776 12G3777 12G3972 1339517 1339519 1339520 1339521 1339522 1339523 1339525 1339526 1342534 1342536 99A0517 99A0518 99A0519 99A0520 99A0521 99A0522 99A0523 99A0545 99A0724 6-25 6-25 6-7 6-9 6-9 6-9 6-17 6-19 6-11 6-11 6-25 6-5 6-3 6-25 6-25 6-13 6-3 6-13 6-13 6-3 6-21 6-21 6-21 6-21 6-21 6-21 6-21 6-21 6-21 6-21 6-26 6-26 6-26 6-26 6-26 6-26 6-26 6-26 6-26 I-
Lexmark Optra E310/312 4044-XXX Service Manual P/N 12G3613 05/00 Reader Comment Form 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. 1. Did you find the book well organized? Yes No 2. Was the content of the book accurate and complete? Yes No 3. Was the book easy to use? Yes No 4.
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