Optra™ E 4026-0XX • Table of Contents • Start Diagnostics • Safety and Notices • Trademarks • Index Lexmark and Optra are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
4026-0XX Third Edition (April 1997) The following paragraph does not apply to the United Kingdom or 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.
4026-0XX Contents 1 Notices and Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . .vi Laser Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi Safety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi Ozone Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xx General Information . . . . . .
Diagnostic Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Power-On Self Test (Post) . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Diagnostic Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Printer Diagnostic Test . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Service Diagnostic Test Page . . . . . . . . . . . . . . . . . . . . . 3-4 User Mode Print Test Page . . . . . . . . . . . . . . . . . . . . . . .
4026-0XX Removal Procedures (continued) Paper Feed Solenoid Removal . . . . . . . . . . . . . . . . . . . 4-12 Paper Feed Input Tray Assembly Removal . . . . . . . . . . 4-12 Paper Lift Plate Assembly Removal . . . . . . . . . . . . . . . . 4-12 Paper Separator Removal . . . . . . . . . . . . . . . . . . . . . . . 4-13 Printhead Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 Print Media Selection Lever Removal (06C/06F/071) . . 4-13 Second Paper Tray Option Connector Removal . . . . .
4026-0XX 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.
4026-0XX Laser product labels are located on the back of the printer and on the printhead.
4026-0XX viii Service Manual
4026-0XX 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.
4026-0XX 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.
4026-0XX 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.
4026-0XX 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.
4026-0XX 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.
4026-0XX 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.
4026-0XX Japanese Laser Notice Chinese Laser Notice Notices and Safety Information xv
4026-0XX Korean Laser Notice Safety Information • • • 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. There may be an increased risk of electric shock and personal injury during disassembly and servicing of this product. Professional service personnel should understand this and take necessary precautions. The safety features of some parts may not always be obvious.
4026-0XX • • Während des Auseinandernehmens und der Wartung des Geräts besteht ein zusätzliches Risiko eines elektrischen Schlags und körperlicher Verletzung. Das zuständige Fachpersonal sollte entsprechende Vorsichtsmaßnahmen treffen. Ersatzteile müssen gleiche oder gleichwertige Merkmale wie die Originalteile aufweisen, da nicht immer offensichtlich ist, welche Teile des Geräts Sicherheitsmerkmale aufweisen.
4026-0XX • personales durante el desmontaje y la reparación de la máquina. El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias. Los dispositivos de seguridad de algunas piezas no siempre pueden reconocerse a simple vista. Por lo tanto, los recambios deben poseer características idénticas o equivalentes a las de las piezas originales.
4026-0XX Chinese Safety Information Korean Safety Information Ozone Information This product does not produce measurable amounts of ozone gas.
4026-0XX Preface This manual is divided into the following chapters: • • • • • • “General Information” contains a general description of the printer, options, and the maintenance approach used to repair it. General environmental and safety instructions as well as special tools and test equipment are listed in this chapter. “Diagnostic Information” contains error code table, symptom table, and service checks used to isolate failing field replaceable units (FRUs).
4026-0XX 1. General Information This printer is a letter-quality page printer designed to attach to an IBM Personal Computer or other computers compatible with the IBM Personal Computer (with 386 processor or higher). The printer is available in models 4026-06A, 06C, 06D, and 06J without Flash memory and models 4026-06B and 06F with Flash memory. Model upgrade is not available. The printer can print in various pitches and has bit image graphics capability, allowing the user to print advanced graphics.
4026-0XX Acronyms CSU DRAM EP EPROM ESD FRU HVPS LASER LCD LED LVPS MROM NVRAM OEM PC POST ROM SIMM SRAM UPR V ac V dc 1-2 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
4026-0XX 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.
4026-0XX 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.
4026-0XX Blinking Operator Panel LED Action Controller Card Failure Replace Controller board Optional Memory Error Replace the optional memory SIMM. If this does not correct the problem, replace the controller board. Fan Failure Error Go to the “Fan Service Check” on page 2-17. ROM Checksum Error Replace the ROM SIMM. If this does not correct the problem, replace the controller board.
4026-0XX Blinking Operator Panel LED Action NVRAM Failure Error Replace Controller board ASIC Register Failure Error Replace Controller board ASIC SRAM Failure Error Replace 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.
4026-0XX Blinking Operator Panel LED Action Engine Board Communications Failure Error Replace the engine board. If this does not correct the problem, replace the controller board.
4026-0XX 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. If the error message is still present, go to the “Paper Feed Service Check” on page 2-34.
4026-0XX User Error Message LED Status Action Memory Full/Complex Page/Resolution Reduction Warning/ Data Transmission Error 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 “User Secondary Error Message Table” on page 2-8.
4026-0XX User Secondary 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.
4026-0XX User Error Message LED Status Action Resolution Reduction Ready, Data blinking and the Error, Press Button on solid Switch from the GL/2 or raster mode to Quick Print Plus mode using the Lexmark driver for Windows, or press the operator panel button to resume printing, or do a front panel reset by pressing and holding the operator button for more than three seconds.
4026-0XX Power-On Self Test (POST) When you turn the printer on, it performs a Power-On Self Test. Check for correct POST functioning by observing the following: 1. 2. 3. 4. 5. 6. 7. 8. 9. All LEDs come on solid. The fan turns on for 2 seconds. All the LEDs turn off. The engine board checks the status of the cover interlock switch. The LEDs begin to turn on then off sequentially. The fan turns off. The engine board checks the status of the paper exit sensor.
4026-0XX 18. The polygon motor (printhead motor) turns off. 19. The Data LED turns off. 20. The Ready LED stays on solid. If your printer did not successfully complete POST, locate the symptom in the “POST Symptom Table” on page 2-12 and take the appropriate action. If the printer completes all these steps and no error indications are displayed, the printer has successfully completed the POST. If the printer has completed POST without an error and a symptom exists, go to the “Symptom Table” on page 2-13.
4026-0XX POST Symptom Table Symptom Action POST completes except one or more LEDs do not come on. Go to the “Operator Panel Service Check” on page 2-27. None of the LEDs come on. Go to the “Operator Panel Service Check” on page 2-27. The printer is dead (No LEDs come on, no motor turns) Go to the “Low Voltage Power Supply Service Check” on page 2-22. The fan does not come on. Go to the “Fan Service Check” on page 2-17 The fuser lamp does not come on.
4026-0XX Symptom Table Locate your symptom in the following table and take the appropriate action Symptom Action Dead printer Go to the “Low Voltage Power Supply Service Check” on page 2-22. Fan not working Go to the “Fan Service Check” on page 2-17. Fan noisy Go to the “Fan Service Check” on page 2-17 Fuser parts melted Go to the “Cold Fuser Service Check” on page 2-18. Fuser Lamp doesn’t light Go to the “Cold Fuser Service Check” on page 2-18.
4026-0XX Symptom Action Paper is not picked or never leaves the primary tray Go to the “Paper Feed Frame Assembly Service Check” on page 2-37. Paper is not picked or never leaves the optional paper tray (Tray 2) Go to the “Optional Paper Tray Two Service Check” on page 2-28. Paper feeds continuously Go to the “Paper Feed Service Check” on page 2-34. Paper fails to exit printer or stack in output bin Go to the “Paper Feed Service Check” on page 2-34.
4026-0XX Service Checks Charge Brush Service Check Note: The charge brush charges the photoconductor and is located inside the photoconductor unit. 1 FRU Action Photoconductor Unit Spots and marks can be caused by a defective charge brush inside the photoconductor unit. If there are any spots or marks, especially ones that appear in the same spot on the printed page, replace the photoconductor unit. Check the photoconductor unit for a damaged charge brush contact.
4026-0XX Cover Interlock Service Check 1 FRU Action Right Hand Transfer Bracket Check the right hand transfer bracket actuator arm to be sure it contacts the interlock switch actuator mounted in the LVPS. Replace the bracket if the arm is damaged or broken. 2 Top Cover Interlock Switch If the interlock switch is being actuated correctly, check the continuity of the switch between CN7A-1 and CN7A-2 on the cable as you activate the switch. If incorrect, replace the LVPS.
4026-0XX Exit Sensor Service Check FRU Action 1 Engine Board Disconnect the exit sensor cable from the engine board. Check for +4.5 V dc to +5.5 V dc at CN8-1. If incorrect, replace the engine board. 2 Exit Sensor Be sure the exit sensor is snapped in place and the cable is firmly connected. 3 Exit Sensor Flag Check the flag for damage and free movement and replace as necessary. Be sure the exit sensor spring is properly installed and not disconnected, damaged, or missing.
26-0XX Cold Fuser Service Check If all the Cold Fuser Service Check items are correct, go to the “Hot Fuser Service Check” on page 2-20 Note: Toner buildup on the fuser input guide, paper separator, hot roll and backup roll causes paper jams. 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.
4026-0XX 3 FRU Action 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 CN2 on the engine board. Check for excessive toner buildup on the surface of the thermistor. Clean or replace as necessary. Turn the printer power off and disconnect the thermistor cable from CN2 on the engine board. Measure the resistance of the thermistor between CN2-1 and CN2-2.
4026-0XX Hot Fuser Service Check Note: If you replace the fuser assembly for overheating, also replace the engine board. CAUTION: FUSER PARTS MAY BE HOT. 1 FRU Action Fuser Assembly Check for melted or damaged hot roll bearings, drive gear, paper separators, thermistor, hot roll, backup roll or frame parts. If the fuser assembly shows evidence of overheating or thermal damage, repair as necessary. Note: If the lower fuser frame is damaged, replace the complete assembly.
4026-0XX FRU Action 3 Input Sensor Flag Check the flag for damage, especially at the front edge, Be sure the flag moves freely. Replace the flag as necessary. 4 Input Sensor Be sure the input sensor is correctly installed and the sensor/solenoid cable is properly connected. Disconnect the input sensor cable from the CN3 connector on the engine board. The voltage at CN3-1 measures between +4.5 V dc and +5.5 V dc. If incorrect, replace the engine board.
4026-0XX Low Voltage Power Supply Service Check Note: The controller board, HVPS and printhead assembly receive power from the LVPS through the engine board. If the machine is dead, be sure the controller board is correctly seated in the engine board connector. Check and reseat all cables. Dead Printer 1 FRU Action Line Voltage Check the AC line voltage. The voltages should be within the following limits: 100 V ac (90 V ac - 110 V ac) Japan 120 V ac (108 V ac - 132 V ac) U.S.
4026-0XX FRU Action ROM SIMM and Optional Memory SIMM Reinstall the ROM SIMM. Check for +5 V dc at CN7-4. If incorrect, replace the ROM SIMM. 6 HVPS Reconnect CN4 and check for +5 V dc at CN74. If incorrect, replace the HVPS. 7 Printhead Assembly Reconnect CN5 and CN10. Check for +5 V dc at CN7-4. If incorrect, replace the printhead assembly. 8 Thermistor Reconnect CN2 and check for +5 V dc at CN74. If incorrect, replace the thermistor/cable assembly.
4026-0XX Fuse F1 continues to open after being replaced 1 FRU Action Fuse F1 If fuse F1 continues to open after being replaced, disconnect CN7 from the engine board and turn the printer power on. If F1 opens, replace the LVPS. If F1 does not open with CN7 disconnected, check the following: Turn the printer power off and disconnect all the cables connected to the engine board and remove the controller board.
4026-0XX Main Drive Motor Service Check 1 FRU Action Main Drive Motor Disconnect CN6 from the engine board. Check the motor for shorts between each pin on CN2 and the motor case. If continuity is indicated, replace the motor. Check the resistance between the following pins on the cable connector. If incorrect, replace the motor. If correct, replace the engine board.
4026-0XX 5 FRU Action Motor Noise Check the motor for proper mounting, tight mounting screws, and gear mesh. If incorrect, repair as necessary. If correct, replace the main drive motor. If the motor continues to make noise after the motor is replaced, replace the engine board.
4026-0XX Operator Panel Service Check 1 FRU Action Operator Panel Assembly LEDs Be sure the operator panel cable is properly seated in J5 on the controller board. Run POST and check each LED for proper operation.
4026-0XX Optional Paper Tray Two Service Check Check the following before servicing tray two: • Be sure tray one is working correctly. • Be sure the second paper tray is correctly installed and the sec• • • • ond paper tray connector on the base printer properly contacts the second paper tray connector in the second paper tray. Be sure the second paper tray is selected in the user’s application and no other application is on the selected port.
4026-0XX FRU Action 2 Paper Lift Plate Assembly Check the lift plate assembly, release button, button spring, release arm and all related hardware for proper operation. Be sure the lift plate D-roll pad mounted on the top of the lift plate is not worn, contaminated or missing. Repair as necessary. 3 Paper Empty Sensor Flag Check the paper sensor flag for damage and proper operation. Repair or replace as necessary.
4026-0XX Paper Tray Two feeds paper. - Paper does not reach the input sensor in the base printer. FRU Action 1 Second Paper Tray Gear Assembly Be sure the second paper tray drive assembly operates properly by manually feeding paper through the second paper tray. Repair as necessary. 2 Second Paper Tray D-Roll Be sure the D-roll assembly operates properly. Repair as necessary. 3 Second Paper Tray D-Roll Clutch Assembly Be sure the D-roll clutch assembly operates properly. Repair as necessary.
4026-0XX Paper Tray Two selected in the application. Paper does not feed from Tray Two but instead feeds from Tray One. Tray Two reset to Tray One in printer utility. 1 FRU Action Engine Board Be sure the voltage at CN9-8 on the engine board measures approximately 0 V dc. If incorrect, turn the printer power off and measure the resistance between ground and CN9-8. Be sure the resistance measures 0 ohms. If incorrect, be sure the tray two cable measures continuity. If incorrect, replace the cable.
4026-0XX Paper Take-Up Solenoid Service Check 1 FRU Action Solenoid Be sure the solenoid/engine board cable is firmly seated in connector CN3 on the engine board. Be sure the solenoid cable is firmly seated in the solenoid/engine board cable connector at the solenoid. Check the solenoid for proper mechanical operation and that the solenoid spring is not broken, loose, or stretched. Replace parts as neccessary. Be sure the solenoid to paper lift plate ground strap is installed correctly.
4026-0XX 2 FRU Action Engine Board Disconnect the solenoid/input sensor cable from CN3 on the engine board. Check the voltage at CN3-5. The voltage should measure approximately +24 V dc. If incorrect, replace the engine board. If the voltage reads approximately +24 V dc, check the voltage at CN3-6 while running a test page. The voltage should measure 0 V dc and read approximately 1 V dc at the time the solenoid should pick. If incorrect, replace the engine board.
4026-0XX Parallel Port Service Check 1. Do a print test to be sure the printer prints correctly. 2. Be sure the printer parallel cable is designed for bi-directional printing. 3. Be sure the user application is set up correctly. Improper set up can prevent establishing a communication link with the printer. 4. Be sure controller board jumper J3 is located on pins two and three. J3 in this position causes the parallel port pull-up resistors to be disabled.
4026-0XX Wrinkled Paper/Envelope/Transparency FRU Action 1 Paper Check the paper supply for wrinkled or damaged paper, out of specification paper, envelopes or transparency material. Correct as necessary. 2 Paper Path Check the paper feed lift plate assembly, input sensor actuator, paper separators, paper feed rollers or anything in the paper path that might catch the paper or cause the paper to wrinkle.
4026-0XX Paper Never Reaches The Exit Sensor FRU Action 1 Input Sensor Check the input sensor for proper operation. If incorrect, go to the “Input Sensor Service Check” on page 2-20. 2 D-Roll Assembly Check the D-Roll assembly for proper operation. If incorrect go to the “D-Roll Assembly Service Check” on page 2-16. 3 Paper Feed Frame Assembly Check the paper feed frame assembly. If paper is not being fed to the fuser assembly, go to the “Paper Feed Frame Assembly Service Check” on page 2-37.
4026-0XX FRU Action 3 Paper Feed Exit Shaft/ Roller Assembly Check the paper feed exit shaft, rollers, and gear for proper operation. Repair as necessary. 4 Paper Feed Exit Shaft Ground Terminal Be sure the paper feed exit shaft ground terminal is properly installed. Top Cover Check the top cover to be sure it does not interfere with the paper as it exits the fuser. 5 Note: A poor ground contact allows static buildup on the roller and causes paper feed problems.
4026-0XX Print Quality Service Check Before you perform the Print Quality Service Check, do the following: • The toner cartridge can cause a variety of print quality prob- • • • • • • • lems. Be sure the toner cartridge is in good condition, works correctly, and is not low on toner. If in doubt, install a new toner cartridge before you proceed. The printer does not have a toner sensor. If the print is light, remove the toner cartridge and gently shake it to evenly distribute the toner. Turn PQET off.
4026-0XX Spot or Marks At Same Spot On Every Print Note: Do not expose the photoconductor to light any longer than necessary when you remove the photoconductor unit from the printer. FRU Action 1 Photoconductor Unit Assembly Remove the photoconductor unit assembly and check the photoconductor for voids, spots, or damage. 2 Fuser Paper Separators If black spots are observed approximately 70 mm apart, check the fuser paper separators for toner buildup. Clean or replace as necessary.
4026-0XX FRU Action 2 Cables/Connectors Be sure the printhead cables to the engine board are properly seated. 3 HVPS Contacts Be sure the HVPS is correctly installed. Be sure the two high voltage contacts and the ground contact are not damaged. Repair as necessary. 4 HVPS Cover Check the HVPS cover for pitted or damaged contacts. Replace as necessary.
4026-0XX FRU Action 3 Transfer Corona Cleaning Clean the corona wire to remove any toner that has accumulated. Open the top cover and locate the cleaning tool. Unsnap the cleaning tool from its holder. The corona wire is located directly in front of the transfer unit. Hook the cleaning tool under the transfer unit with the clear “needle’ facing you. As you slide the cleaning tool back and forth a few times to remove any toner buildup, you hear a clicking sound.
4026-0XX Excessive Background Note: Poor development or poorly charged toner particles causes excessive background. This is more noticeable as the toner cartridge nears end of life. 1 FRU Action Toner Cartridge, Photoconductor Unit Be sure the toner cartridge and photoconductor unit are installed correctly. If installed correctly, try a new toner cartridge and then a new photoconductor unit.
4026-0XX FRU Action 2 Toner Cartridge Replace the toner cartridge if the cartridge is nearing the end of life. 3 Transfer Assembly Check the transfer roll for toner buildup and contamination. Clean the transfer roll by performing POST two or three times. Light print or black vertical streaks can be caused by an open transfer leakage current circuit. Check the transfer roll right side contact, TFR board lead and the TFR Leakage board (PWB-T) for damage or poor contact.
4026-0XX Registration Service Check Note: Use the Service Test Page to check the registration. FRU Action 1 Paper Be sure the paper is correctly installed in the paper tray. 2 Registration Adjustment Perform the registration adjustment when the engine board is replaced. Transfer Assembly Service Check Note: The transfer assembly left and right transfer bracket springs bias the transfer assembly toward the photoconductor unit.
4026-0XX Transfer Corona Service Check 1 FRU Action Transfer Corona Be sure the transfer corona is clean. Clean with the transfer cleaning tool located on the upper fuser cover. Check the high voltage contacts for pitting, contamination, or damage. Be sure the corona assembly is correctly installed in the transfer assembly. Replace as necessary. Be sure the wires T and TRET are not broken or damaged, and are properly connected to the transfer assembly and the HVPS. Replace as necessary.
4026-0XX 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. Power-On Self Test (Post) The printer performs the following Power-On Self Test when powered on: 1. 2. 3. 4. 5. 6. 7. 8. 9. All LEDs come on solid. The fan turns on for 2 seconds. All the LEDs turn off. The engine board checks the status of the cover interlock switch. The LEDs begin to turn on then off continuously. The fan turns off.
4026-0XX 16. Models 4026-06A, 06C, 06D and 06J, 070 and 071 - The Ready LED turns on solid and the Data LED blinks. Go to Step 17. Models 4026-06B and 06F - The Ready LED turns on solid and the Data LED blinks. • The controller board checks flash ROM installation. • The controller board verifies that flash is formatted. • The controller board attempts to format flash if unformatted. • The Data LED blinks during format. • The printer continues POST after format is complete.
4026-0XX Diagnostic Tests Printer Diagnostic Test The following tests run sequentially when performing this test: Standard Memory Test Optional Memory Test Microcode Check LED Test Read/Write ASIC Register Test Read/Write ASIC SRAM Test Read/Write controller board SRAM Test Perform the following steps to run the Printer Diagnostic Test: 1. Turn the printer off. 2. Open the top cover. 3. Press and hold the operator panel button as you turn on the printer.
4026-0XX Service Diagnostic Test Page The service diagnostic test page includes registration marks to aid in adjusting print registration and also includes the installed printer base code level. The service test page displays the user default values for the following: Top Margin Offset Left Margin Offset Printer Page Count Permanent Page Count Print Darkness Setting PQET Setting (on/off) Toner Saver (on/off) Print Resolution Perform the following steps to print the Service Diagnostic Test Page: 1.
4026-0XX 3-5
4026-0XX User Mode Print Test Page 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. 2. 3. 4. Be sure the Ready LED is on solid (printer is in the ready state). Press and release the operator panel button. The Ready and Data LEDs blink continuously. The test page prints and the operator panel Ready LED comes on solid and the Data light turns off. 5. The printer returns to the ready state.
4026-0XX 3-7
4026-0XX Paper Feed Timing The following describes the timing of paper flow through the printer to aid in diagnosing paper jam problems. Detection of paper in the printer paper feed path is accomplished by the low or high status condition of the paper entry and paper exit sensors. The timing of the paper as it leaves the input paper tray, passes the input sensor, exit sensor and into the exit tray, determines normal paper flow or a paper jam.
4026-0XX Fuser Operation Fuser Mode Printer Action Warm-Up Mode When the printer power is turned on the fuser lamp turns on until the hot roll temperature reaches approximately 172 degrees centigrade. Standby Mode The hot roll temperature reaches approximately 156 degrees centigrade. If this temperature is maintained for three minutes, the printer switches to low temperature standby mode and the hot roll is maintained at 112 degrees centigrade.
4026-0XX Configuration Mode The configuration mode gives the ability to set the following printer functions through the operator panel: Hex Trace NPA Mode (Parallel) Parallel Protocol Advanced Status PPDA Activated Auto CRLF/LFCR Perform the following steps to enter the configuration mode: 1. 2. 3. 4. Turn the printer power off. Open the top cover. Turn the printer power on. Top Cover Open (Error LED on) is displayed on the operator panel. 5. Double-click the operator panel button. 6.
4026-0XX 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 value list. Long Button Press Press and hold the operator panel button for more than three seconds. This action selects and saves the value for the menu item displayed. To indicate that the setting is saved, it is displayed on the operator panel.
4026-0XX Hex Trace Use Hex Trace to isolate the cause of print problems. 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 a front panel reset (long button press) to exit the Hex Trace mode. Perform the following steps to enter the Hex Trace mode: 1. Enter the configuration mode. 2. Do a brief button press. 3.
4026-0XX Restoring Factory Defaults Restoring factory defaults returns the printer settings to the original factory settings. Perform the following steps to invoke factory defaults: 1. 2. 3. 4. 5. Turn the printer power off. Open the top cover. Turn the printer power on. The printer starts POST. The operator panel Error LED comes on solid. Press and hold the operator panel button until all the LEDs are on solid indicating the printer is restoring factory defaults. 6. Release the button.
4026-0XX 4. Repair Information WARNING: 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).
4026-0XX Adjustment Procedures CAUTION: Be sure to unplug the power cord whenever you are working on the printer with one of the covers removed. Print Registration Adjustment Print the service diagnostic test page after you replace the engine board. Check the position of the bottom left and right registration lines. Adjust VR1 on the engine board to position both lines exactly on the trailing edge of the page. A slight turn on VR1 produces significant change in the registration line position.
4026-0XX Removal Procedures CAUTION: Be sure to unplug the power cord whenever you are working on the printer with one of the covers removed. Use caution when the photoconductor unit is out of the machine. Do not expose it to light for more than 15 - 20 minutes.
4026-0XX Board Cage Removal 1. Remove the controller board. 2. Remove the engine board. 3. Remove the two remaining screws that hold the board cage to the mainframe. 4. Note the way the cables are routed to the engine board before removing the board cage. 5. Remove the board cage. Cover Removals Input Paper Tray 1. Press the left and right tray latches to allow the tray to rest at the lowest position. 2. Press the center of the input paper tray slightly to release the left and right side frame tabs. 3.
4026-0XX Top Cover 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Unplug the power cord from the machine. Remove the toner cartridge and P.C. drum. Remove the left, right, and front covers. Disconnect CN7, CN11, CN2, and CN8 from the engine board. Remove the fuser lamp cable cover. Remove the cable cover from the LVPS. Disconnect the fuser lamp connector from the LVPS. Remove the transfer assembly from the top cover. Carefully disconnect the red leads.
4026-0XX D-Roll Removal 1. 2. 3. 4. 5. 6. 7. 8. 9. Remove the paper feed input tray assembly. Remove the paper lift plate assembly. Remove the manual feed guide plate. Remove the engine board. Remove the controller board. Remove the paper feed frame assembly. Remove the left side plate assembly. Remove the C-clip from both ends of the D-roll shaft. Remove the D-roll clutch cam assembly. Note: When you remove the clutch cam assembly, the D-roll shaft pin can fall from the shaft.
4026-0XX Exit Paper Feed Roller Assembly Removal 1. Remove the transfer assembly. 2. Remove the fuser upper and lower frame assemblies. 3. Note the orientation of the notches in the left and right bushings. Reinstall with the notches facing away from the top cover. 4. Be sure the right end of the shaft contacts the ground strap. Fan Removal 1. 2. 3. 4. 5. 6. 7. Unplug the power cord from the machine. Disconnect the fan cable from the engine board. Remove the top cover. Remove the transfer assembly.
4026-0XX Fuser Lower Frame Assembly Removal 1. 2. 3. 4. Remove the top cover. Remove the fuser upper frame assembly. Remove the four fuser lower frame assembly mounting screws. Use a screwdriver to unlatch the left end of the fuser cable cover and remove the cover. 5. Remove the fuser lower frame assembly. Fuser Upper Frame Assembly Removal 1. Remove the top cover. 2. Remove the left and right transfer assembly mounting brackets on models 4026-06A, 06B, 06D, and 06J.
4026-0XX HVPS Board Removal 1. 2. 3. 4. Unplug the power cord from the machine. Remove the HVPS cover. Disconnect CN1 from the HVPS board. Disconnect the transfer assembly high voltage connector from T1 on the HVPS board. 5. Disconnect the red transfer assembly wire at TRET on the HVPS board. 6. Remove the four HVPS board mounting screws. 7. Remove the HVPS board. HVPS Cover Removal 1. Unplug the power cord from the machine. 2. Remove the screw holding the HVPS cover to the main frame. 3.
4026-0XX LVPS Removal 1. Remove the top cover. 2. Remove the four screws that secure the back of the rear frame to the LVPS. 3. Remove the two screws that hold the top of the rear frame to the LVPS and remove the rear frame. 4. Remove the two screws mounting the on/off switch to the main frame. 5. Remove the four screws holding the LVPS to the main frame. 6. Maneuver and lift the LVPS from the main frame. Main Drive Motor Removal 1. Unplug the power cord from the machine. 2.
4026-0XX Operator Panel Removal 1. 2. 3. 4. Unplug the power cord from the machine. Remove the toner cartridge and P.C. drum. Disconnect the operator panel cable from the controller board. Loosen the front operator panel mounting screw from the board cage. 5. Remove the rear operator panel mounting screw from the board cage. 6. Remove the operator panel. Paper Entry Sensor Removal 1. 2. 3. 4. 5. 6. 7. 8. 9. Remove the paper feed input tray assembly. Remove the paper lift plate assembly.
4026-0XX Paper Feed Frame Assembly Removal 1. 2. 3. 4. 5. Unplug the power cord from the machine. Remove the paper feed input tray assembly. Remove the paper lift plate assembly. Remove the manual feed guide plate. Disconnect the paper feed sensor/solenoid cable CN3 from the engine board. 6. Remove the engine board. 7. Remove the controller board. 8. Remove the paper feed frame assembly. Paper Feed Solenoid Removal 1. 2. 3. 4. 5. 6. 7. 8. 9. Remove the paper feed input tray assembly.
4026-0XX Paper Separator Removal 1. 2. 3. 4. 5. 6. 7. Remove the paper feed input tray assembly. Remove the lift plate assembly. Remove the manual feed guide plate. Remove the engine board. Remove the controller board. Remove the paper feed frame assembly. Use a screwdriver to release either side of the separator latches. 8. Remove the paper separator. Printhead Removal 1. Unplug the power cord from the machine. 2. Remove the left, right, and front covers. 3.
4026-0XX Thermal Fuse Removal (06A/06B/06D/06J/070) 1. 2. 3. 4. Remove the top cover. Remove the fuser upper frame assembly. Remove the two screws mounting the thermal fuse. Remove the thermal fuse. Thermostat Removal (06C/06F/071) 1. 2. 3. 4. Remove the top cover. Remove the fuser upper frame assembly. Remove the two thermostat mounting screws. Remove the fuser thermostat. Thermistor Removal 1. Remove the fuser lower frame assembly. 2.
4026-0XX Models 4026-06C, 06F and 071 1. Open the top cover. 2. Remove the transfer cable cover screw and transfer cable cover. 3. Remove the two screws that hold the transfer unit to the rear of the top cover. 4. Unplug the wire to the transfer roll assembly. Pay attention to the wire routing. 5. Remove the transfer unit.
4026-0XX 5. Connector Locations Low Voltage Power Supply Connector CN1 Engine Board CN2 Fuser Lamp/ Thermal Fuse Pin No.
4026-0XX High Voltage Power Supply Connector CN1 Engine Board T TRET Pin No.
4026-0XX Engine Board CN1A Controller Board Pin No. Signal Pin No.
4026-0XX Connector CN4A HVPS CN5A Laser Diode Drive Board CN6A Main Motor CN7A LVPS CN8A Paper Exit Sensor Pin Signal 1 HV C 2 HV T* 3 HV SEL2* 4 HV SEL1* 5 HV B 6 BIAS MON 7 GND 8 +24 V dc 1 S SCAN 2 CO 3 LD APC2 (LDVR2) 4 LD APC1 (LDVR1) 5 GND 6 L DATA* 7 +5 V dc 1 PHASE A 2 PHASE A* 3 PHASE B 4 PHASE B* 1 +24 V dc 2 GND 3 GND 4 +5 V dc 5 FUSER LAMP* 1 ANODE (PC3) 2 GND 3 PC3* Connector Locations 5-4
4026-0XX Connector CN9A 2nd Paper Tray (Option) CN10A Polygon Motor CN11A Fan Motor 5-5 Pin Signal 1 +24 V dc 2 FEED 2* 3 NO CONNECTION 4 +5 V dc 5 GND 6 P EMP2 7 PSIZED 8 2NDBIN* 9 MM/INCH 10 CHECK0* 11 CHECK1* 12 CHECK2* 1 NO CONNECTION 2 +24 V dc 3 GND 4 +5 V dc 5 POLYGON CONTROL 1 FAN* 2 +24 V dc
4026-0XX Connector Locations 5-6
4026-0XX Second Paper Tray Sensor Board (Option) Connector CN1A Engine Board CN3A Paper Take-up Solenoid - 2nd Paper Tray (Option) Pin No. Signal 1 CHECK2* 2 CHECK1* 3 CHECK0* 4 MM/INCH 5 2NDBIN* 6 PSIZEO 7 P EMP 2 8 GND 9 +5 V dc 10 NO CONNECTION 11 FEED2* 12 +24 V dc 1 +24 V dc 2 FEED2* Controller Board Connector J5 Operator Panel 5-7 Pin No.
4026-0XX J4 Engine Board Pin No. Signal Pin No. Signal 1 NO CONNECTION 16 CMD 2 NO CONNECTION 17 CTBSY 3 NO CONNECTION 18 PRINT 4 NO CONNECTION 19 SRCLK 5 GND 20 GND 6 RESET* 21 GND 7 GND 22 R VIDEO* 8 GND 23 +5 V dc 9 GND 24 GND 10 RHSYNC* 25 +5 V dc 11 EPRDY* 26 GND 12 PRRDY* 27 +5 V dc 13 TOD* 28 CPRDY 14 ETBSY* 29 +5 V dc 15 STS* 30 NO CONNECTION Connector J3 Pullup Power Pin No.
4026-0XX J2 Parallel Port Pin No. 5-9 Signal Pin No.
4026-0XX Connector Locations 5-10
4026-0XX Paper Exit Sensor Connector Pin No. CN3S Engine Board Signal 1 ANODE (PC3) 2 GND 3 PC3* Paper Entry Sensor Connector Pin No. CN1S Engine Board Signal 1 PC1* 2 GND 3 ANODE (PC1) Paper Feed Solenoid Connector CN2S Engine Board 5-11 Pin No.
4026-0XX 6. Parts Catalog How To Use This Parts Catalog • • • • • SIMILAR ASSEMBLIES: If two assemblies contain a majority of identical parts, they are broken down 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.
4026-0XX Assembly 1: Covers 6-2
AsmIndex Part Number Units Description 1-1 69G8341 1 Left Side Cover 1-2 69G9969 1 Cover, Cable 06A/06B/06D/06J/070 1-2 11A7376 1 Cover, Cable 06C/06F/071 1-3 69G8301 1 Top Cover 06A/06B/06D/06J/070 1-3 11A7377 1 Top Cover 06C/06F/071 1-4 69G8306 1 Fan Cover 06A/06B/06D/06J/070 1-4 11A7378 1 Fan Cover 06C/06F/071 1-5 69G8305 1 Fan 06A/06B/06D/06J/070 1-5 11A7379 1 Fan 06C/06F/071 1-6 8 Screw, Type 3704 PP 69G9974 1-7 69G9990 1 Label, S/N Blank 1-8 69G8340 1
4026-0XX Assembly 1: Covers (continued) 6-4
4026-0XX AsmIndex Part Number Units Description 1-18 69G8337 1 Gear, 15T 1-19 69G8338 2 Bushing 1-20 11A7404 1 Terminal, PWB-R to Fuser Frame 1-21 69G9998 1 Terminal, Paper Feed Exit Shaft to Board PWB-R 1-21A 11A7403 1 Terminal, Top Cover Ground to PWB-T 1-22 69G9999 1 Board, PWB-R 1-23 69G9971 2 Exit Paper Feed Roller/Clip Assembly 1-24 69G8336 1 Exit Paper Feed Roller/Shaft Assembly 06A/ 06B/06D/06J/070 1-24 11A7465 1 Exit Paper Feed Roller/Shaft Assembly 06C/ 06F/0
4026-0XX Assembly 2: Frame 6-6
4026-0XX AsmIndex Part Number Units Description 2-1 69G9962 1 Motor, Main Drive 06A/06B/06D/06J/070 2-1 11A7381 1 Motor, Main Drive 06C/06F/071 2-2 69G9691 1 Left Side Plate Motor Bracket 06A/06B/06D/ 06J/070 2-2 11A7382 1 Left Side Plate Motor Bracket 06C/06F/071 2-3 2 Screw, Type 1308 PP 69G9974 2-4 1 Screw, Type 3501 PP 69G9974 2-5 3 Screw, Type 3704 PP 69G9974 2-6 2 Screw, Type 3504 PP 69G9974 2-7 69G8345 1 Left Side Plate 2-8 69G8346 1 Guide, photoconductor unit
4026-0XX Assembly 2: Frame (continued) 6-8
4026-0XX AsmIndex Part Number 2-10 Units Description 1 Gear, 20/41T PP 69G9989 2-11 1 Gear, 29T PP 69G9989 2-12 1 Gear, 22/57T PP 69G9989 2-13 1 Gear, 44/109T PP 69G9989 2-14 1 Gear, 29/65T PP 69G9989 2-15 1 Gear, 25/72T PP 69G9989 2-16 1 Gear, 22/45T PP 69G9989 1 Gear, 50T PP 69G9989 1 Terminal, Rt Side Ground LVPS to Bd Cage 2-17 2-18 69G8358 2-19 69G8360 1 Terminal, Rt Side Photoconductor Unit Ground 2-20 69G8361 1 Terminal, Rt SIde, Photoconductor Unit Charge Bias
4026-0XX Assembly 2: Frame (continued) 6-10
4026-0XX AsmIndex Part Number 2-25 Units Description 2 C-Clip, Type 9107 PP 69G9986 2-26 69G8377 1 Clutch Cam Assembly 2-27 69G8379 1 Bushing 2-28 69G8393 1 D-Roll Shaft 2-29 69G9991 2 Pin, D-Roll Shaft 2-30 69G8375 1 D-Roll 2-31 69G8363 4 Rubber Foot 06A/06B/06D/06J 2-31 11A7467 4 Rubber Foot 06C/06F Parts Catalog 6-11
4026-0XX Assembly 3: Printhead 6-12
4026-0XX AsmIndex Part Number Units Description 3-1 69G8364 1 Printhead Assembly 600 dpi 3-2 5 Screw, Type 3504 PP 69G9974 3-3 1 Screw, Type 3519 PP 69G9974 Parts Catalog 6-13
4026-0XX Assembly 4: Paper Feed Input Tray 6-14
4026-0XX AsmIndex Part Number Units Description 4-1 11A7419 1 Lift Plate Assembly 4-2 69G8367 1 Pressure Spring 4-3 69G8394 1 Guide Plate, Manual Feed 06A/06B/06D/06J/ 070 4-3 11A7460 1 Guide Plate, Manual Feed 06C/06F/071 4-4 69G8366 4-5 4-6 4-7 69G8365 4-7 11A7466 4-8 4-9 11A7462 1 Guide, Movable Paper 3 Screw, Type 3704 PP 69G9974 2 Screw, Type 3504 PP 69G9974 1 Paper Feed Input Tray Assembly 06A/06B/06D/06J/070 1 Paper Feed Input Tray Assembly 06C/06F 1 Screw, Type
4026-0XX Assembly 5: Paper Feed Frame 6-16
4026-0XX AsmIndex Part Number Units Description 5-1 69G8368 1 Paper Feed Frame Assembly 06A/06B/06D/ 06J/070 5-1 11A7384 1 Paper Feed Frame Assembly 06C/06F/071 5-2 69G8369 1 Gear, 16T Top Paper Feed 5-3 69G8371 1 Sensor, Paper Entry 5-3A 11A7409 1 Cable, Input Sensor/Solenoid to Engine Board 5-4 69G8372 1 Flag, Paper Entry Sensor 5-5 69G8373 1 Separator, Paper 06A/06B/06D/06J070 5-5 11A7459 1 Separator, Paper 06C/06F/071 5-6 11A7442 1 Front Paper Feed Pressure Roller
4026-0XX Assembly 6: Fuser 6-18
4026-0XX AsmIndex Part Number Units Description 6-1 69G8312 1 Fuser Assembly, 120 V ac 06A/06B/06D/070 6-1 11A7390 1 Fuser Assembly, 120 V ac 06C/06F/071 6-1 11A7455 1 Fuser Assembly, 100 V ac 06J 6-1 69G8313 1 Fuser Assembly, 220/230 V ac 06A/06B/06D/ 070 6-1 11A7391 1 Fuser Assembly, 220/230 V ac 06C/06F/071 6-2 69G8328 1 Lower Fuser Assembly 06A/06B/06D/06J/070 6-2 11A7392 1 Lower Fuser Assembly 06C/06F/071 1 Gear, 40T PP 69G9988 6-3 6-4 69G8371 1 Sensor, Paper Exit
4026-0XX Assembly 6: Fuser (continued) 6-20
4026-0XX AsmIndex Part Number Units Description 6-18 69G9978 1 Backup Roll 06A/06B/06D/06J/070 6-18 11A7397 1 Backup Roll 06C/06F/071 4 Screw, Type 1305 PP 69G9974 6-19 6-20 69G8317 1 Thermistor 06A/06B/06D/06J/070 6-20 11A7398 1 Thermistor 06C/06F/071 6-21 69G8330 1 Separator, Paper 1 Screw, Type 3504 PP 69G9974 6-22 6-23 1 Gear, 30T PP 69G9988 6-24 69G8325 1 Cable, Fuser Lamp 6-25 69G8326 1 Terminal, Fuser Lamp Left side 6-26 69G9979 1 Terminal, Fuser Lamp/Thermal
4026-0XX Assembly 7: Electronics 6-22
4026-0XX AsmIndex Part Number Units Description 7-1 69G8380 1 Power Supply, 120 V ac U.S. 7-1 69G8382 1 Power Supply, 220/230 V ac W.T. 7-1 11A7454 1 Power Supply, 100 V ac Japan 7-2 1339526 1 Power Cord; U.S.
4026-0XX Assembly 7: Electronics (continued) 6-24
4026-0XX AsmIndex Part Number Units Description 7-15 11A7417 1 Terminal, Rear Frame Ground to Control Card Cage 2 Screw, shouldered cable mtg.
4026-0XX Assembly 8: Transfer Assembly 6-26
4026-0XX AsmIndex Part Number Units Description 8-1 69G8307 1 Transfer Assembly 06A/06B/06D/06J/070 8-1 11A7452 1 Transfer Assembly 06C/06F/071 8-2 69G8310 1 Right Transfer Frame Guide 06A/06B/06D/06J/ 070 2 Screw, Type 3704 PP 69G9974 06A/06B/06D/ 06J/070 8-3 8-4 69G8311 1 Spring, Right Transfer Guide 06A/06B/06D/ 06J/070 PP 69G9987 8-5 69G9968 1 Transfer Corona Assembly 06A/06B/06D/06J/ 070 8-6 69G9967 1 Spring, Left Transfer Guide 06A/06B/06D/06J/ 070 PP 69G9987 8-7 69G8308
4026-0XX Assembly 9: Option - Second Paper Drawer 6-28
4026-0XX AsmIndex Part Number Units Description 9-1 69G9929 1 Frame, Base 9-2 69G9927 2 Foot, square rubber 9-2A 11A7416 2 Foot, round rubber 7 Screw, Type 3704 PP 11A7434 9-4 69G9926 1 Right Side Cover 9-5 69G9937 1 Lift Plate Assembly 9-6 69G9928 1 Tray, Paper 9-6A 11A7428 1 Pad 9-6B 11A7429 1 Label, Paper Set 9-7 69G9933 1 Adjustable Paper Guide 9-7A 11A7430 1 Regulating Plate, paper guide 9-8 69G9938 1 Spring, Lift Plate 9-9 69G9925 1 Left Side Cover
4026-0XX Assembly 9: Option - Second Paper Drawer (continued) 6-30
4026-0XX AsmIndex Part Number 9-14 Units Description 2 Screw, Type 1305 PP 11A7434 9-15 69G9942 1 Stud, Solenoid Mounting 9-16 69G9965 1 Lever, Lift Plate Release 9-17 1 C-Clip, Type 9105 PP 69G9986 9-18 2 Screw, Type 3504 PP 11A7434 9-19 69G8370 1 Solenoid 9-20 69G9958 1 Lever, Knockoff 9-21 69G9963 1 Button, Lift Plate Release 5 C-Clip, Type 9107 PP 69G9986 9-22 9-23 1 Spring, Lift Plate Release Button PP 11A7436 9-24 69G9943 1 Bracket 9-25 69G9945 1 Gear, 13/4
4026-0XX Assembly 9: Option - Second Paper Drawer (continued) 6-32
4026-0XX AsmIndex Part Number Units Description 9-37 69G9959 1 Bracket, Sensor Flag 9-38 69G9960 1 Sensor Flag 9-39 69G9935 1 Ground Terminal 9-40 4 Screw, Type 3501 PP 11A7434 9-41 69G9934 1 Sensor/Interface Board 9-42 69G9940 1 Cover, Front.
4026-0XX Assembly 10: Options AsmIndex Part Number Units Description 10 1364936 1 Memory SIMM, 1MB 10 1364906 1 Memory SIMM, 2MB 10 1364907 1 Memory SIMM, 4MB 10 1368706 1 Serial Adapter 6-34
4026-0XX Assembly 11: Miscellaneous AsmIndex Part Number Units Description 11 69G9986 1 Parts Packet, C-Clips for printer and Second Paper Drawer 11 69G9987 1 Parts Packet, Springs 11 69G9988 1 Parts Packet, Fuser Gears 11 69G9989 1 Parts Packet, Paper Feed Gears 11 69G9974 1 Parts Packet, Screws 11 11A7436 1 Parts Packet, Second Paper Drawer Springs 11 11A7434 1 Parts Packet, Second Paper Drawer Screws Parts Catalog 6-35
4026-0XX Index A Acronyms 1-2 Adjustment Procedure 4-2 Print Registration 4-2 C Configuration Mode 3-10 Connector Locations Controller Board 5-7 Engine Board 5-3 High Voltage Power Supply 5-2 Low Voltage Power Supply 5-1 Paper Entry Sensor 5-11 Paper Exit Sensor 5-11 Paper Feed Solenoid 5-11 Second Paper Tray Option 5-7 Controller Board Connectors 5-7 Covers 6-2, 6-4 D How To Use This Parts Catalog 6-1 HVPS Connectors 5-2 L LVPS Connectors 5-1 M Maintenance Approach 1-1 Miscellaneous 6-35 O Options
4026-0XX Fan 4-7 Fuser Lamp 4-7 Fuser Lower Frame Asm 4-8 Fuser Paper Separator 4-8 Fuser Upper Frame Asm 4-8 HVPS Board 4-9 HVPS Cover 4-9 Left Side Plate 4-9 LVPS 4-10 Main Drive Motor 4-10 Main Drive/Paper Feed Gears 4-10 Manual Paper Feed Plate 4-10 Operator Panel 4-11 Paper Entry Sensor 4-11 Paper Entry Sensor Flag 4-11 Paper Feed Frame Asm 4-12 Paper Feed Solenoid 4-12 Paper Guide Plate Asm 4-12 Paper Lift Plate Asm 4-12 Paper Separator 4-13 Print Media Selection Lever 4-13 Printhead 4-13 Second Dra
