Lexmark 4049LMO Service Manual

Lexmark 4049LMO - Optra Lx+ B/W Laser Printer Manual

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  • Lexmark 4049LMO | Service Manual - Page 1
    OptraTM Series 4049-XXX • Table of Contents • Start Diagnostics • Safety and Notices • Trademarks • Index • Main Menu Lexmark is a trademark of Lexmark International, Inc., registered in the United States and/or other countries.
  • Lexmark 4049LMO | Service Manual - Page 2
    November, 1996) 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
  • Lexmark 4049LMO | Service Manual - Page 3
    Chinese Laser Notice xvi Korean Laser Notice xvi Trademarks xvii Safety Information xviii Preface xxiii General Information 1-1 Power Consumption 1-2 Options 1-2 Maintenance Approach 1-3 Tools Required For Service 1-3 Abbreviations 1-4 iii
  • Lexmark 4049LMO | Service Manual - Page 4
    Feed Problem, High Capacity Feeder 2-29 Printhead 2-30 Paper Size Sensing Problem 2-31 Regularly Spaced Marks 2-32 Residual Image 2-32 Random Marks 2-32 Skew, all edges 2-33 Skew, top and bottom only 2-33 Stalled (diamonds on display 2-34 Vertical Void or Streak 2-34 iv Service Manual
  • Lexmark 4049LMO | Service Manual - Page 5
    4049-XXX Diagnostic Aids 3-1 Diagnostics Mode 3-1 Diagnostics Mode Menu Structure 3-1 Diagnostics Mode Tests 3-3 Auto Clean 3-3 Auto Clean Frequency 3-3 Auto Clean Delay 3-4 Button Test 3-4 Charge Roll 3-4 Defaults 3-5 Disk Test/Clean 3-5 Duplex Feed 1 Test 3-6 Duplex Feed 2 Test 3-6
  • Lexmark 4049LMO | Service Manual - Page 6
    Drive Motor Removal 4-14 Engine Board Removal 4-15 Exit Sensor Board Removal 4-16 Fan/Redrive Removal 4-17 Fuser Removal 4-18 Fuser Input Guide Removal 4-19 Fuser Lamp Removal 4-20 Fuser/Sensor Cable Removal 4-21 Fuser Solenoid Removal 4-22 Fuser Shroud Assembly Removal 4-23 HVPS Removal
  • Lexmark 4049LMO | Service Manual - Page 7
    . . 4-39 Duplex Option Exit Card And Cover Removal 4-40 Duplex Option Bottom Cover And Entry Sensor Card Removal 4-41 Duplex Removal . . . . . 4-42 Dual Rear Feeder - Edge Guide Asm 4-43 Dual Rear Feeder - Gear Plate Asm 4-43 Dual Rear Autoconnect Cable 5-10 Printer Ground Straps 5-11 High Capacity
  • Lexmark 4049LMO | Service Manual - Page 8
    6-1 Safety Inspection Guide 6-1 Lubrication Specifications 6-1 Scheduled Mechanical Maintenance 6-3 Printhead Window Cleaning Procedure 6-4 + and 100-Sheet Auxiliary Feeder 7-40 Dual Rear Feeder 7-42 High Capacity Feeder 7-44 Options 7-46 Miscellaneous 7-47 Index X1 viii Service Manual
  • Lexmark 4049LMO | Service Manual - Page 9
    be used instead. Evaluation and verification of operation in conjunction with other products, programs, or services, except those expressly designated by the manufacturer, are the user's responsibility. Laser Notice The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR
  • Lexmark 4049LMO | Service Manual - Page 10
    äß 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 , l'exposition à des rayonnements laser supérieurs à des rayonnements de Classe I . x Service Manual
  • Lexmark 4049LMO | Service Manual - Page 11
    4049-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
  • Lexmark 4049LMO | Service Manual - Page 12
    condições de assistência prescritas. Laserinformatie De printer voldoet aan de eisen die gesteld worden aan klasse I worden niet als ongevaarlijk aangemerkt. De printer is voorzien van een laser van klasse IIIb ( 795 nanometer. Het lasergedeelte en de printer zijn zo ontworpen dat bij normaal
  • Lexmark 4049LMO | Service Manual - Page 13
    4049-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 bø
  • Lexmark 4049LMO | Service Manual - Page 14
    ver Klass I-nivå vid normal användning, underhåll som utförs av användaren eller annan föreskriven serviceåtgärd. Laser-melding Skriveren er godkjent i USA etter kravene i DHHS 21 CFR, underkapittel J, for vedlikehold som utføres av brukeren, eller foreskrevne serviceoperasjoner. xiv Service Manual
  • Lexmark 4049LMO | Service Manual - Page 15
    4049-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.
  • Lexmark 4049LMO | Service Manual - Page 16
    4049-XXX Chinese Laser Notice Korean Laser Notice xvi Service Manual
  • Lexmark 4049LMO | Service Manual - Page 17
    set of printer commands (language) and functions included in its printer products. This printer is designed and manufactured by Lexmark International, printer emulates the functions corresponding to the commands. Details relating to compatibility are included in the 4049 Technical Reference manual
  • Lexmark 4049LMO | Service Manual - Page 18
    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 d'entretien qualifié devra prendre toutes les précautions nécessaires. xviii Service Manual
  • Lexmark 4049LMO | Service Manual - Page 19
    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. • Die Wartungsinformationen für dieses Produkt sind ausschließlich für die Verwendung
  • Lexmark 4049LMO | Service Manual - Page 20
    de seguridad global usando los componentes específicos de Lexmark. Puede que las características de seguridad de algunas piezas no sean siempre evidentes. Lexmark no se hace responsable del uso de otras serviços devem estar avisados deste facto e tomar os cuidados necessários. xx Service Manual
  • Lexmark 4049LMO | Service Manual - Page 21
    les estrictes normes de seguretat globals amb la utililització de components específics de Lexmark. Les característiques de seguretat d'algunes peces pot ser que no sempre siguin òbvies. Lexmark no es responsabilitza de l'us d'altres peces de recanvi. • La informació pel manteniment d'aquest
  • Lexmark 4049LMO | Service Manual - Page 22
    4049-XXX xxii Service Manual
  • Lexmark 4049LMO | Service Manual - Page 23
    code table, symptom table, and service checks used to isolate failing field replaceable units (FRUs). • "Diagnostic Aids" contains tests and checks used to locate or repeat symptoms of printer problems. • "Repair Information" provides instructions for making printer adjustments and removing and
  • Lexmark 4049LMO | Service Manual - Page 24
    4049-XXX 1. General Information The Optra™ Laser Printers are designed to attach to IBM-compatible PC's and to most computer networks. There are multiple models, all with standard PostScript Level 2 emulation and PCL 5 emulation. From a service standpoint models Lxi+ and Lxn+ are the same as Lx+,
  • Lexmark 4049LMO | Service Manual - Page 25
    4049-XXX Power Consumption Power Saver Mode Printing (average) Max. AC draw 110V Max. AC draw 220V R/L/Rt/R+/Rt+ 21W 260W 6.8A 3.4A Rx/Lx/Lx+ 20W 310W 9.8A 5.0A Options The following options are available. Some options are not available in every country. Contact your point of purchase for
  • Lexmark 4049LMO | Service Manual - Page 26
    page 2-1. This printer can be serviced without being connected to a host computer. After you complete the repair, perform tests as needed to verify the repair. Tools Required For Service Flat-blade screwdriver #1 Phillips screwdriver #2 Phillips screwdriver 5.5 mm nut driver 8 mm wrench Needlenose
  • Lexmark 4049LMO | Service Manual - Page 27
    Emission of Radiation Liquid Crystal Display Light-Emitting Diode Low Voltage Power Supply Nonvolatile Random Access Memory Original Equipment Manufacturer Problem Isolation Charts Picture Element Power-On Reset Power-On Self Test Print Quality Enhancement Technology Raster Image Processor Read-Only
  • Lexmark 4049LMO | Service Manual - Page 28
    for personal safety and to prevent damage to the printer. Two-digit codes are messages for the user, but if they recur frequently or at inappropriate times they may be symptomatic of a service problem. Use the service error code, symptom table, service checks, and diagnostic aids to determine the
  • Lexmark 4049LMO | Service Manual - Page 29
    sensor made at wrong time. May be due to the paper feeding manually while motors running and previous page in path. Duplex unit is installed but empty or not installed, paper jam in entry throat, or printer is requesting a manual feed. The output bin sensor has not been unmade.See "Output
  • Lexmark 4049LMO | Service Manual - Page 30
    not supported by the Optra printer. Memory is too printer. Defective font card installed in font slot. Printer needs data on removed card. The printer detects a defective Flash SIMM. If the error recurs replace the Flash SIMM. Not enough flash memory for data requested to be stored. Flash problem
  • Lexmark 4049LMO | Service Manual - Page 31
    not work, run the Disk Test/Clean (2 hour test). Replace the disk if instructed by the operator panel. These user codes are documented in various network card user manuals. See "Network Wrap Tests" on page 2-22 Printer has reached 200,000 prints without maintenance count reset. Refer to "Scheduled
  • Lexmark 4049LMO | Service Manual - Page 32
    . If the error appeared while sending a job from the host computer to the printer, turn the printer off, then turn it on and try again. If the error appears again, call the next level service support for assistance. Cannot start servo operation. Verify correct cable connections from the engine board
  • Lexmark 4049LMO | Service Manual - Page 33
    . ROM SIMM failed CRC; code data or font data. Run the diagnostic Memory Test for ROM. Replace the SIMM if the test fails or the problem recurs after POR; replace the RIP Board if the SIMM does not fix the
  • Lexmark 4049LMO | Service Manual - Page 34
    . Bad or missing DRAM in the base DRAM slot. Reseat the DRAM and run the diagnostic Memory Test for DRAM. POR the printer. If the test fails or the problem recurs, replace the DRAM SIMM. Bad DRAM in the optional DRAM slot. Reseat the DRAM and run the diagnostic Memory Test for
  • Lexmark 4049LMO | Service Manual - Page 35
    is installed and grounded correctly. If this error returns after a POR, there is a software or microcode incompatibility problem. Do not replace the card. Contact your next level of support. Network card 1 is installed but is not communicating with the RIP Board. See "Network Card 977 Errors" on
  • Lexmark 4049LMO | Service Manual - Page 36
    is a software or microcode incompatibility problem. Do Not replace the card. Contact your next level of support. General network 2 card software error there is a software or microcode incompatibility problem. Do Not replace the card. Contact your next level of support. Duplex error. See "Duplex" on
  • Lexmark 4049LMO | Service Manual - Page 37
    . 3. The fuser lamp and the fan turn on. [Performing Self Test] appears on the display. Note: The printer may be idle for up to 60 seconds as the fuser warms to operating temperature. Printer idle time is shorter if the fuser is already warm. Note: If the duplex unit is installed, the
  • Lexmark 4049LMO | Service Manual - Page 38
    Machine" on page 2-15. Machine Hangs Displaying Diamonds Service Check. "Operator Panel Problem" on page 2-22. "Operator Panel Problem" on page 2-22. "Paper Feed, Base Printer" on page 2-23. "Paper Feed, Duplex Unit" on page 2-25. "Paper Feed Problem, 500-Sheet Option or 200-Sheet Second Drawer, Non
  • Lexmark 4049LMO | Service Manual - Page 39
    binds. Background Areas that are supposed to stay blank are getting small amounts of toner deposited on them. Clean the erase lamps and the printhead window. Verify that all the erase lamps are working by powering on or off with the top cover open. Verify that there is +24VDC on engine
  • Lexmark 4049LMO | Service Manual - Page 40
    between pages) +1.5 VDC Less than 1 VDC Voltage while Idling 0 VDC 0 VDC 0 VDC +6 VDC If any voltages are not correct replace the engine board. If no problem is found, enter the diagnostics mode and change the Charge Roll setting. Users who run large jobs with very dense graphics in high humidity
  • Lexmark 4049LMO | Service Manual - Page 41
    VDC +4 VDC Voltage while Idling 0 VDC 0 VDC If no other trouble is found replace the HVPS. Blank Page Inspect the printhead shutter for proper extends into the printhead shroud when the printer top cover is closed. A failed printhead will cause a 931 Service error rather than blank output. Check
  • Lexmark 4049LMO | Service Manual - Page 42
    feeder, some blurring may occur at the point where the feeder's friction rollers release the paper. Dead Machine Possible causes: no voltage reaching the printer, LVPS failure, blown LVPS fuse, failure of the On/Off switch or switch linkage, or a shorted electrical component. Check for the indicated
  • Lexmark 4049LMO | Service Manual - Page 43
    . If the duplex unit does not home immediately but homes after 5 or 6 seconds, the duplex unit is receiving +34 VDC from the printer but is not communicating with the printer. The duplex unit homes on its own as a signal that it is functional. If the duplex unit does not home at all
  • Lexmark 4049LMO | Service Manual - Page 44
    , replace the duplex system board. If the 7th and 8th digits are 04, there is an exit sensor problem. Remove the duplex top cover and table cover and reinstall the duplex unit on the printer. Remove the paper tray so you can reach the sensor. Measure the voltage on J5-8 of the
  • Lexmark 4049LMO | Service Manual - Page 45
    4049-XXX Fan (927 Error) The fan should run continuously when the printer is powered up, unless the printer is in Power Saver mode. Check that the fan rotates freely when spun manually and that the cable connections to the fan are OK. The voltage at engine board J2-7 should be approximately +24 VDC
  • Lexmark 4049LMO | Service Manual - Page 46
    4049-XXX Fuser Theory The fuser lamp operates off line voltage from the LVPS. The thermistor is in contact with the fuser hot roll. The system board reads the thermistor resistance and toggles a TRIAC in the LVPS which cycles the lamp on and off to maintain the proper hot roll temperature. Inside
  • Lexmark 4049LMO | Service Manual - Page 47
    6 mm circles.) This print defect is usually caused by the print cartridge. If it is not the problem, verify that the tab on the transfer roll housing is touching the contact on the HVPS; the transfer is found see "Blank Page" on page 2-14 and follow those instructions. Diagnostic Information 2-20
  • Lexmark 4049LMO | Service Manual - Page 48
    Printer Utility Guide to find the problem. • Make sure the network protocol you want is enabled from the printer operator panel. • Verify proper print queue and printer driver Print Test that the print is too light before performing service. Network Card 977 Errors All network card errors are
  • Lexmark 4049LMO | Service Manual - Page 49
    printer printer, network card, and the port to the LAN are working correctly. If the customer still has a problem printing, see "LAN Problems" on page 2-21. Output Bin Sensor Examine the bin area for obstructions or damage. Run the diagnostic sensor test. Make sure the plastic bails and guide
  • Lexmark 4049LMO | Service Manual - Page 50
    D-roll and the gear train. Make sure the gear train is meshing with the drive gear at the bottom of the printer. Look for other mechanical problems or damage. Make sure the printer and module auto-connectors mate properly when the module is installed. Check for +34 VDC at engine board J15-2. You
  • Lexmark 4049LMO | Service Manual - Page 51
    replace the engine board. Remove the motor and gear assembly from the printer and reconnect it to the engine board. Reconnect all the other engine board The timing marks are visible when the engine board is removed. If no problem is found, replace the engine board. b. Solenoid: There is a possible
  • Lexmark 4049LMO | Service Manual - Page 52
    sensor (engine board J8-6) with paper present. Check continuity on the cable before replacing a sensor. If paper is curling badly enough to cause a problem feeding or stacking, see "Fuser Temperature And Warm-Up Time" on page 3-8. Paper Feed, Duplex Unit Check that all gears and belts are working
  • Lexmark 4049LMO | Service Manual - Page 53
    cover and reinstalling the duplex unit in the printer. Check for +5 VDC at duplex system envelope flaps must rest against the paper edge guide); envelopes other than 20 or 24 pound check the adjustment of the feeder restraint spring. Paper Feed Problem, 200-Sheet Second Drawer, Rt Run the Paper Feed
  • Lexmark 4049LMO | Service Manual - Page 54
    run from the second tray by disconnecting J14 and shorting J14-2 to J17-1. Paper Feed Problem, Dual Rear Feeder Run the diagnostics Paper Feed for Feeder 1 and Feeder 2. Machine Level Information: Early level printers do not support the Dual Rear Feeder without an upgrade. If the feeder is not being
  • Lexmark 4049LMO | Service Manual - Page 55
    board. If the other voltages are wrong, continue with this service check. To test the torquers, short J5-1 (Feeder paper/ envelopes properly installed; edge guides and flip doors properly positioned; and the gear alignment marks are centered in the windows of the gear plate when the torquer is
  • Lexmark 4049LMO | Service Manual - Page 56
    service call. The feeder receives a pick signal from the printer, and will not do a test feed without the printer installed. Paper can be manually all paper feed problems: Verify that the printer designator switch on the rear of the high capacity feeder is set to the correct printer model being
  • Lexmark 4049LMO | Service Manual - Page 57
    does not become Ready, the signal from the feeder ready switch is not reaching the printer. Dead unit: Check the printer Paper Source menu for a "Tray 2" indication to be sure the printer detects the high capacity feeder. Check feeder power supply input and output voltages. If the output is correct
  • Lexmark 4049LMO | Service Manual - Page 58
    4049-XXX ity of the fan/mirror motor cable. Replace the printhead if the cable is good. Paper Size Sensing Problem (The printed area does not fit on the page, or the paper size cannot be changed from the operator panel.) Make sure the paper tray
  • Lexmark 4049LMO | Service Manual - Page 59
    Spacing on Page 125.7 mm 53.1 mm 78.9-79.2 mm 69.1 mm 37.1-37.7 mm 40.0mm 68.5 mm 68.5 mm Spacings other than the ones listed could be caused by damage are nearly always due to a mechanical problem or due to foreign matter loose in the printer or in the print cartridge. Diagnostic Information 2-32
  • Lexmark 4049LMO | Service Manual - Page 60
    4049-XXX Inspect and clean the inside of the printer carefully and correct any problems found. Skew, all edges If the test print frame is parallel to all edges of the page but the margins are not all the same
  • Lexmark 4049LMO | Service Manual - Page 61
    RIP and engine board are not seated or their connectors are damaged. If the problem is still present, replace one at a time the: 1. ROM SIMM 2. photoconductor, check the operation of the printhead shutter and clean the printhead window with a lint-free cloth folded over a cotton swab; do not use
  • Lexmark 4049LMO | Service Manual - Page 62
    Self Test. 3. Release the buttons when [Performing Self Test] is displayed. 4. You can exit Diagnostics mode without a POR by selecting [Reset Printer]. Diagnostics Mode Menu Structure The following is the Diagnostics mode menu structure, The indented items are submenus available under the main menu
  • Lexmark 4049LMO | Service Manual - Page 63
    Parallel Serial Memory Tests DRAM ROM PAGE COUNTS Page Count Permanent Page Count Maintenance Count PAPER FEED TESTS Tray 1 Tray 2 Tray 3 Feeder Feeder 1 Feeder 2 Manual DUPLEX TESTS Top Margin Duplex Quick Test Duplex Feed 1 Duplex Feed 2 DEVICE TESTS Disk Test/Clean Quick Disk Test Flash Test
  • Lexmark 4049LMO | Service Manual - Page 64
    deposited on the back of the page. When Auto Clean is on, after printing the number of pages specified in Auto Clean Frequency, the printer will pause the number of seconds specified in Auto Clean Delay. This pause minimizes the toner accumulating on the fuser cleaner. 1. Enter Diagnostics mode
  • Lexmark 4049LMO | Service Manual - Page 65
    dry, change the setting to high. If the background is not reduced, try changing the setting the other way. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Charge Roll]. 4. Select [High], [Medium] or [Low]. 5. Press Return to return to the Diagnostics mode main menu. Diagnostic Aids
  • Lexmark 4049LMO | Service Manual - Page 66
    U.S. Letter size paper # 10 envelopes Symbol Set Roman-8 NON-U.S. A4 paper DL envelopes Symbol Set PC-850 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Defaults]. 4. Select [U.S.] or [NON U.S.]. 5. Press Return to return to the Diagnostics mode main menu. Disk Test/Clean This is
  • Lexmark 4049LMO | Service Manual - Page 67
    is more than 85 mm from the trailing edge, there is a paper slipping problem with the duplex unit paper feed. Duplex Feed 2 Test This test verifies that The message [Clear Paper] appears on the display. 6. Open the printer top cover. 7. If you are doing the test with legal size paper, open the
  • Lexmark 4049LMO | Service Manual - Page 68
    mm or less. If it is larger than 75 mm, there is a drive problem in the duplex unit or in the tray top cover. 11. Select [CONTINUE]. decrease the level to reduce solenoid noise. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Envelope Enhance]. 4. Select [Low], [Medium], or [High
  • Lexmark 4049LMO | Service Manual - Page 69
    error log records the last six "2X Paper Jam" or "9XX Service" errors. In a full log, position 6 is the oldest error. . Fuser Temperature And Warm-Up Time These settings allow adjustment of the fuser to correct problems with paper curl or melting letterheads. Paper curl in which the top and bottom of
  • Lexmark 4049LMO | Service Manual - Page 70
    Boost], Or [Low Temperature]. 5. Press Return to return to the Diagnostics mode main menu. Fuser Warm-Up Time 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Warm-Up Time]. 4. Select a setting of "0" through "5". Use the + or - key to change the number. 0 is the shortest fuser warm
  • Lexmark 4049LMO | Service Manual - Page 71
    [SAVE] to save the page count displayed. Paper Feed Tests This test allows you to observe the drive gear train and feed paper through the printer to check for broken gear teeth, watch the paper path, or check the erase lamps.You may want to remove the gear cover before starting
  • Lexmark 4049LMO | Service Manual - Page 72
    with the assistance of Lexmark Technical Support. It can be used to diagnose parallel port interface problems. Permanent Page Count The increase or decrease the entire darkness range. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Print Contrast]. 4. Select [Low], [Medium], or [
  • Lexmark 4049LMO | Service Manual - Page 73
    4049-XXX Print Registration Use Print Test 1 or the Quick Test to evaluate print registration. Adjust the registration so the tips of the diamonds are at the top and bottom edges of the page and the printout is centered left to right. Verify that the top margin is correct before adjusting the bottom
  • Lexmark 4049LMO | Service Manual - Page 74
    2 generates two printouts: a page similar to the test page, and a fine dot pattern which can be used to evaluate banding or other print quality problems. Print Test 2 will duplex if the duplex option is installed. This test prints from the user-selected default paper source if the default source is
  • Lexmark 4049LMO | Service Manual - Page 75
    . Quick Disk Test This is a one minute test which performs a non-destructive write/ read on one block per track on the disk. It tests the printer-to-disk communications, and the disk hardware and circuitry, but does only incidental testing of the disk surface itself. The Quick Disk Test does not
  • Lexmark 4049LMO | Service Manual - Page 76
    4049-XXX Sensor Test 1. Enter Diagnostics mode. 2. Select [HARDWARE TESTS]. 3. Select [Sensor Test]. 4. Select one of the following sensor tests: Toner Low, Output Bin, Input, Exit, or Cover Open. 5. When the sensor is blocked, [Open] is displayed. Otherwise, [Closed]is displayed. 6. Press Return to
  • Lexmark 4049LMO | Service Manual - Page 77
    replacing the transfer roll assembly did not correct the problem. 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Transfer]. 4. Select [Low . Contact Lexmark Technical Support for instructions on running the Parallel Confidence Test. To run the Wrap Test: 1. Turn the printer off.
  • Lexmark 4049LMO | Service Manual - Page 78
    Return to return to the Diagnostics mode main menu. 11. Turn the printer off, and remove the wrap plug from the interface connector. Other Tests Developed Image Test Use the Developed Image Test to isolate print quality problems. You might have to practice this procedure several times to get the
  • Lexmark 4049LMO | Service Manual - Page 79
    will be on the engine board connectors, which are inaccessible with the RIP board in place. The printer has a service mode which allows you to test the printer without the RIP board installed. This verifies that the motors, sensors, printhead, and electrophotographic process are working correctly
  • Lexmark 4049LMO | Service Manual - Page 80
    how to make adjustments to the printer and how to remove defective FRUs. Handling ESD-Sensitive Parts Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). To prevent damage to ESD-sensitive parts, follow the instructions below in addition to all the
  • Lexmark 4049LMO | Service Manual - Page 81
    4049-XXX Adjustments Envelope Restraint Spring On The Envelope+ Feeder Adjustment 1. Loosen the mounting screw [A]. 2. Position the spring [B] so it clears the separator roller by 1.9 ± 0.2 mm (0.075 ± 0.008 in.). 3. Tighten the mounting screw. Paper Restraint Spring On The 100-Sheet Auxiliary
  • Lexmark 4049LMO | Service Manual - Page 82
    4049-XXX Envelope+ Feeder Magnet And 100-Sheet Auxiliary Feeder Magnet Adjustment 1. Hold the armature [A] in the closed (coil active) position. 2. Loosen the mounting screw [B], and rotate the magnet assem- bly so the armature clears the clutch gear by 0.30 ± 0.20 mm (0.012 ± 0.008 in.). 3. Tighten
  • Lexmark 4049LMO | Service Manual - Page 83
    4049-XXX Dual Rear Feeder Gear Alignment Adjustment Remove the right side cover of the feeder. The gear timing marks should be centered in the windows of the gear plate. If the timing mark is too far clockwise the gears will chatter during a POR. If the mark is too far counterclockwise,
  • Lexmark 4049LMO | Service Manual - Page 84
    4049-XXX Fuser Drive Gear Backlash Adjustment Fuser drive gear backlash is adjusted so that when gear #2 is held still, there is a slight amount of backlash in the fuser gear. Print quality can be affected if the gears are too tight. 1. Remove the fuser cover. 2. Locate gear #2. It is the white
  • Lexmark 4049LMO | Service Manual - Page 85
    0.95 ± 0.15 .037 ± .006 4049-XXX Fuser Gear Right Sideplate Stud Nut Idler Gear Repair Information 4-6
  • Lexmark 4049LMO | Service Manual - Page 86
    4049-XXX Fuser Solenoid Adjustment Note: The fuser solenoid must be mounted on the fuser for this adjustment and should be at room temperature. 1. Loosen screw [A]. 2. Remove the rubber washer. 3. Rotate shaft [B] (eccentric) to obtain 4.2 mm ± 0.2 mm (0.165 in. ± 0.008 in.) air gap. 4. Tighten
  • Lexmark 4049LMO | Service Manual - Page 87
    4049-XXX Paper Feed Magnet Adjustment 1. Remove the system board. The magnet is accessed through the holes in the right frame. 2. With the armature latched on the cam step check for 0.60 mm ± 0.07 mm (0.024 in. ± 0.003 in.) between the foam pad and the magnet pole piece. If adjustment is required,
  • Lexmark 4049LMO | Service Manual - Page 88
    4049-XXX Printhead Skew Adjustment 1. R, R+, Rt, Rt+, and Rx: Remove the plug in the top cover. L, Lx, and Lx+: Open the paper exit stop. Unlatch and remove the spring-loaded exit stacker. 2. Loosen the screws [A]. 3. Run Print Test 1 or the Quick Test on the Diagnostics Menu. 4. Move the pointer
  • Lexmark 4049LMO | Service Manual - Page 89
    4049-XXX Removal Procedures When there is artwork to support a procedure, it follows the text. Covers Right Cover Removal 1. Turn the printer off. 2. Remove all external trays. 3. Open the top cover. 4. Depress the latch and open the right cover. 5. Remove the E-clip from the rear pivot pin
  • Lexmark 4049LMO | Service Manual - Page 90
    4049-XXX 4-11
  • Lexmark 4049LMO | Service Manual - Page 91
    4049-XXX Left Cover Removal 1. Unplug the power cord. 2. Open the top cover and remove the print cartridge. 3. Remove the front cover. 4. Locate the latch [E] and lift the end to release it. 5. Push the top of the cover to the left. 6. Remove the cover by sliding it to the rear of the machine. Top
  • Lexmark 4049LMO | Service Manual - Page 92
    4049-XXX 4-13
  • Lexmark 4049LMO | Service Manual - Page 93
    the cover from the tray. D-roll Assembly Removal 1. Unplug the power cord. 2. Remove the paper tray. 3. Remove the print cartridge. 4. Remove the fuser input guide. 5. Remove the transfer roll housing assembly. 6. Pull the D-roll firmly to the left to remove it. Note: The D-roll is designed to be
  • Lexmark 4049LMO | Service Manual - Page 94
    -XXX Engine Board Removal 1. Check the page count and write it down so you can set the count on the new engine board. 2. Turn the printer off. 3. Remove the RIP board and the inner EMC shield together. 4. Disconnect the engine board cable connections. 5. Remove the nut and the three threaded
  • Lexmark 4049LMO | Service Manual - Page 95
    4049-XXX Exit Sensor Board Removal 1. Remove the front cover. 2. Disconnect the fuser/sensor cable. 3. Disconnect the thermistor cable. 4. Disconnect the fuser solenoid cable. 5. Release the latches [A]. 6. Pull the sensor board down to remove it. Repair Information 4-16
  • Lexmark 4049LMO | Service Manual - Page 96
    4049-XXX Fan/Redrive Removal 1. Open the top cover. 2. Remove the print cartridge. 3. Remove the top cover. 4. Remove the lower redrive shaft by disengaging the right end to the rear of the machine. 5. Disconnect the long redrive belt [A] and slip it off the lower shaft. 6. L, Lx, and Lx+:
  • Lexmark 4049LMO | Service Manual - Page 97
    HOT ROLLER IS 150 °230 ° C (302 °- 446 ° F). USE EXTREME CAUTION WHEN REMOVING THIS UNIT. BEFORE YOU SERVICE THIS UNIT, ALLOW THE MACHINE TO COOL FOR 5 MINUTES. 1. Unplug the power cord. 2. Remove the printer cartridge. 3. Through the opening for the paper output, flip the metal ESD shield up out of
  • Lexmark 4049LMO | Service Manual - Page 98
    Removal 1. Remove the fuser input guide [B] by lifting the rear end of the guide and unsnapping both sides from the fuser. 2. Lift the fuser input guide upward at both sides near the fuser and slide the guide toward the rear of the machine to release. 3. Lift the guide out of the machine. 4. Clean
  • Lexmark 4049LMO | Service Manual - Page 99
    HOT ROLLER IS 150230 ° C (302-446 ° F). USE EXTREME CAUTION WHEN REMOVING THIS UNIT. BEFORE YOU SERVICE THIS UNIT, ALLOW THE MACHINE TO COOL FOR 5 MINUTES. Note: The fuser lamp is a glass heater be reinserted. Install the new lamp with the color-coded end away from the gear. Repair Information 4-20
  • Lexmark 4049LMO | Service Manual - Page 100
    4049-XXX Fuser/Sensor Cable Removal 1. Turn the printer off. 2. Remove the RIP board and the inner EMC shield together. 3. Disconnect the cable from the exit sensor board. 4. Remove the front cover. 5. Disconnect the
  • Lexmark 4049LMO | Service Manual - Page 101
    4049-XXX Fuser Solenoid Removal 1. Remove the fuser. 2. Remove the two mounting screws [A] holding the solenoid housing to the fuser housing. 3. Disengage the solenoid bracket from the plunger. Note: When a new solenoid assembly is installed, the fuser solenoid must be adjusted. Repair Information
  • Lexmark 4049LMO | Service Manual - Page 102
    fuse is not recommended. Replace the complete shroud assembly. 1. Unplug the printer. 2. Remove the fuser wiper and fuser cover. 3. Pry the thermistor cable from the fuser exit board, and free the cable from the cable guides. 5. Release the metal shroud from the fuser by prying up on the slotted
  • Lexmark 4049LMO | Service Manual - Page 103
    4049-XXX HVPS Removal 1. Unplug the power cord. 2. Remove the left cover. 3. Remove the fuser input guide. 4. Remove the transfer roll housing. 5. Remove the fuser cover. 6. Disconnect the cable from the HVPS connector. 7. Remove the power switch rod. 8. Remove the ground screw [B]. 9.
  • Lexmark 4049LMO | Service Manual - Page 104
    4049-XXX 4-25
  • Lexmark 4049LMO | Service Manual - Page 105
    right cover. 3. Remove mounting screws as required. 4. Pop the card off the plastic standoffs. Input Sensor Board Removal 1. Remove the fuser input guide. 2. Remove the transfer roll housing. 3. Remove the D-roll. 4. Disconnect the input sensor cable from the input sensor board. Note: Use care, the
  • Lexmark 4049LMO | Service Manual - Page 106
    4049-XXX 4-27
  • Lexmark 4049LMO | Service Manual - Page 107
    cable from the HVPS. 6. Remove the RIP board and the inner EMC shield together. 7. Remove the engine board. 8. Disengage the upper frame cables from the guide in the paper feed side frame. 9. Remove the screws [B]. 10. Remove the fuser cover. 11. Unplug the fuser wires [C] and push them below the
  • Lexmark 4049LMO | Service Manual - Page 108
    4049-XXX LVPS Removal 1. Disconnect the power cord. 2. Remove all external feed trays. 3. Remove the left and right side covers. 4. Remove the RIP board and the inner EMC shield together. 5. Remove the left and right LVPS mounting screws and the screw for the cable tie. 6. Disconnect the LVPS cable
  • Lexmark 4049LMO | Service Manual - Page 109
    4049-XXX LVPS Cover Removal 1. Form tabs [D] away from the power supply to create clearance for tabs [A] to move downward. 2. Release the top latches [A]. 3. Release the side latches [B]. 4. Release the bottom latches [C]. Repair Information 4-30
  • Lexmark 4049LMO | Service Manual - Page 110
    cable from the input sensor. 3. Remove the screws [A] and the outer deflector. 4. Remove the screws [B] and the toner shield [E]. 5. Separate the side frames. 6. Pull the guides [C] out of the side frames. 7. Use a flat-blade tool to snap the gears and rollers [D] off the shaft. 4-31
  • Lexmark 4049LMO | Service Manual - Page 111
    4049-XXX Paper Feed Magnet Assembly Removal 1. Remove the print cartridge. 2. Remove the right cover. 3. Remove the RIP board and engine board. 4. Remove the LVPS. 5. Locate the paper feed magnet mounting screw [B] (visible through the right side frame [A]). 6. Remove the mounting screw [B]. 7.
  • Lexmark 4049LMO | Service Manual - Page 112
    4049-XXX Paper Size Switch Removal 1. Remove the paper tray. 2. Remove the front cover. 3. Unplug the cable [B] from the switch connector [C]. 4. Remove the two screws [A]. 5. Rotate the switch about 90 ° and pull it out of the printer. 4-33
  • Lexmark 4049LMO | Service Manual - Page 113
    4049-XXX Printhead Removal IMPORTANT: The printhead is ESD-sensitive. It is not serviceable and should be replaced as a unit. 1. Turn the printer off. 2. Remove the print cartridge. 3. Remove the right and top covers. 4. Remove the exit redrive and its belt. 5. Remove the air plenum. 6. Remove the
  • Lexmark 4049LMO | Service Manual - Page 114
    screw. 6. Remove the inner EMC shield by pulling straight out from the printer. 7. Remove the four nuts and the standoff to separate the RIP board and on the new board. Toner Sensor Removal 1. Remove the fuser input guide. 2. Remove the transfer roll housing. 3. Lift the input sensor board
  • Lexmark 4049LMO | Service Manual - Page 115
    Remove the print cartridge. 3. Remove the bearing cover from the left side of the transfer roll: Note: Do not touch the transfer roll surface. • Support the left bearing cover from the front with your left hand. • Use a small screwdriver to push the rear latch forward and release the bearing cover
  • Lexmark 4049LMO | Service Manual - Page 116
    4049-XXX Transfer Roll Housing Removal 1. Remove the print cartridge. 2. Remove the fuser input guide. 3. Grasp the housing and pull toward the front of the machine to disconnect the housing from the mounting studs, visible through openings [B] in the inner
  • Lexmark 4049LMO | Service Manual - Page 117
    4049-XXX Upper Frame Removal 1. Unplug the power cord. 2. Remove the print cartridge. 3. Remove the right, left, and top covers. 4. Remove the RIP board and the inner EMC shield together. 5. Remove the engine board. 6. Remove the load box latches [A]. 7. Release the latches [B]. 8. Pivot the upper
  • Lexmark 4049LMO | Service Manual - Page 118
    4049-XXX Duplex Option Top Cover And Table Cover Removal 1. Open the top cover by pulling up at [A] and pivoting 90 °. 2. Pry the top cover from the bottom cover at [B]. 3. Release latches [C] on the table cover and lift up. 4. Release latch [D] and lift the table cover out of the front assem- bly.
  • Lexmark 4049LMO | Service Manual - Page 119
    to completely remove it. 2. Disconnect the exit sensor card cables. 3. Press the exit sensor flag actuator [B] and lift out the exit sensor card. Repair Information 4-40
  • Lexmark 4049LMO | Service Manual - Page 120
    4049-XXX Duplex Option Bottom Cover And Entry Sensor Card Removal 1. Remove the duplex unit top cover. 2. Remove the exit card cover and exit card. 3. Pry off the cover for the blind connector. 4. Pry up on the blind connector to remove it from the bottom cover. 5. Release the two latches [A] on the
  • Lexmark 4049LMO | Service Manual - Page 121
    4049-XXX Duplex Option System Card And Motor Removal 1. Disconnect all cables. 2. Release latches [A] and lift the system board out. 3. Remove the two motor mounting screws [B]. 4. Lift the motor out of the frame assembly. Note: Reinstall the motor so the belt is not tight but will not jump teeth on
  • Lexmark 4049LMO | Service Manual - Page 122
    Asm. 1. Remove the left frame by removing the eight mounting screws. 2. To remove the front edge guide assembly, remove the left end of the door from the pick roll shaft. 3. Slide the edge guide assembly, paper shaft, pick rollers, and buckler assemblies out to the left, leaving the pick roll shaft
  • Lexmark 4049LMO | Service Manual - Page 123
    down through the hole into the base. 7. Carefully turn the machine onto its left side. 8. Remove the four screws holding the second drawer to the printer, avoiding damage to the two cables, and remove the drawer. Repair Information 4-44
  • Lexmark 4049LMO | Service Manual - Page 124
    power off and remove the line cord from the electrical outlet. 3. Remove all paper trays and auxiliary rear feeders from the printer. 4. Remove the printer from the feeder. 5. Remove the two roller retainers from the feedroll shaft. 6. Slide the roller shaft to one side to disengage it, then lift
  • Lexmark 4049LMO | Service Manual - Page 125
    toward the drive chain. 10. Reinstall the roller shaft making sure the drive chain is still engaged. 11. Reinstall the roller retainers. 12. Reinstall the printer, reconnect power, and test. Repair Information 4-46
  • Lexmark 4049LMO | Service Manual - Page 126
    off and remove the line cord from the electrical outlet and the feeder power jumper cable from the printer. 3. Remove all paper trays and auxiliary rear feeders from the printer. 4. Remove the printer from the feeder. 5. Remove the four screws in the top of the feeder. 6. Carefully place the feeder
  • Lexmark 4049LMO | Service Manual - Page 127
    4049-XXX 5. Connector Locations This chapter shows the locations of major printer assemblies, gears, connectors, and ground straps. Major Assembly Locations Operator Panel Fan Exit Redrive Print Head High Voltage Power Supply Fuser Lower Frame Output Sensor
  • Lexmark 4049LMO | Service Manual - Page 128
    4049-XXX Gear Train 5-2
  • Lexmark 4049LMO | Service Manual - Page 129
    4049-XXX HVPS Cover Interlock Print Cartridge Contacts Transfer Roll Contacts Transfer Roller Housing Erase Lamp Window Transfer Roll Connector Locations 5-3
  • Lexmark 4049LMO | Service Manual - Page 130
    4049-XXX Engine Board Connectors J16 J17 J1 J2 1 1 1 1 1 1 1 1 J3 J6 J7 J8 J910 J4 J5 J10 1 1 1 1 J11 J12 J13 J14 J15 J16 J17 1 1 1 1 1 5-4
  • Lexmark 4049LMO | Service Manual - Page 131
    4049-XXX Engine Board Connectors Connector J1 J2 J3 J4 J5 J6 J7 J8 J9 J10 J11 J12 J13 J14 J15 J16 J17 J18 JF1 Name Operator Panel/Output Bin Sensor Printhead Mirror Motor/Fan Duplex LVPS Dual Rear Feeder Paper Drive Motor Board-to-Board Connector Exit/Paper Size Sensor/Fuser Solenoid Input/Toner
  • Lexmark 4049LMO | Service Manual - Page 132
    J9 J10 J11 J12 Name Font Card (on back of board) Parallel Port Board-to-Board INA/Disk 1 ROMM SIMM (flash memory option) ROMM SIMM (printer microcode) DRAM SIMM DRAM SIMM Serial Port INA/Disk 2 5-6
  • Lexmark 4049LMO | Service Manual - Page 133
    4049-XXX Board Installation Hardware Short Plastic Standoff Female/Female Standoff without Groove Engine Board Male/Female Standoff with Groove Tall Plastic Standoff RIP Board Medium (4X) Nut with Captive Plastic Standoff Star Washer Male/Female Standoff without Groove (5X) Nut with
  • Lexmark 4049LMO | Service Manual - Page 134
    4049-XXX Operator Panel/Output Bin Sensor Cable Op Panel Cable Connector Pin 1 Pin 1 5-8
  • Lexmark 4049LMO | Service Manual - Page 135
    Pin Op Panel Sensor L, Lx, Lx+* J1-1 1 J1-2 2 J1-3 3 J1-4 4 J1-5 5 J1-6 1 J1-7 2 J1-8 3 J1-9 No connection * The same cable is sometimes used on the Optra R, R+ and Rx, but the output bin sensor leads are not used. Connector Locations 5-9
  • Lexmark 4049LMO | Service Manual - Page 136
    4049-XXX Printhead Connector Locations Pin 1 Fan Connector H-sync Connector Pin 1 Laser Connector Pin 1 Mirror Motor Connector Pin 1 Duplex Autoconnect Cable Duplex Autoconnect Cable Connectors Engine Board J3-1 J3-2 J3-3 J3-4 J3-5 J3-6 J3-7 Autoconnect No connection 1 (right most pin) 2 3 4
  • Lexmark 4049LMO | Service Manual - Page 137
    4049-XXX Printer Ground Straps Load Box Shaft to Upper Frame Operator Panel to Upper Frame Outer Deflector to Lower Frame HVPS to Frame Static Brush to Lower Frame Toner Shield to Lower Frame Toner Shield to Lower Frame Load Box Shaft to Upper Frame Connector Locations 5-11
  • Lexmark 4049LMO | Service Manual - Page 138
    4049-XXX High Capacity Feeder Board Connectors High Capacity Feeder Board Connectors Connector J2 J3 J4 J5 J6 J7 J8 J9 J10 Name Elevator Motor Paper Feed Motor Lower Limit Switch Door Switch Paper Out Switch R/L Selector Switch Upper Limit Switch Power Supply Feeder Ready Switch 5-12
  • Lexmark 4049LMO | Service Manual - Page 139
    printer preventive maintenance. Following these recommendations can help prevent problems and maintain optimum performance. Safety Inspection Guide The purpose of this inspection guide • Possible safety exposure from any non-Lexmark attachments Lubrication Specifications Lubricate only when parts
  • Lexmark 4049LMO | Service Manual - Page 140
    4049-XXX • Gear no. 6 and its stud on the motor bracket • Gear no. 6 and its thrust washer • Gear no. 7 and its stud on the rail • Gear no. 7 and its thrust washer • Gear no. 8 and its stud on the rail • Gear no. 8 and its thrust washer • Gear no. 9 and its stud on the rail • The metering roller
  • Lexmark 4049LMO | Service Manual - Page 141
    the fuser assembly, transfer roller, D-roll, and lower redrive shaft assembly at this interval to maintain the print quality and reliability of the printer. These items are available as individual FRUs. They are also available as a maintenance kit through the dealer options ordering channel. After
  • Lexmark 4049LMO | Service Manual - Page 142
    Cloth 3. Open the shutter. 4. Insert the swab and cloth combination in the printhead window slot, then slide it left to right several times. Move the swab to a several times to make sure the window is clean. Cleaning The Transfer Roller Power off the printer. Power on and let it complete POST. Do
  • Lexmark 4049LMO | Service Manual - Page 143
    4049-XXX 7. 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
  • Lexmark 4049LMO | Service Manual - Page 144
    4049-XXX Assembly 1: Covers 7-2
  • Lexmark 4049LMO | Service Manual - Page 145
    Retaining (metal latch) Output Deflector Output Deflector Lever, W/spring Left Cover Paper Stop Asm, R/Rx/Rt Paper Stop Asm, L/Lx Cover Asm, Front Exit Tray Manual Feed Tray with guide Parts Catalog 7-3
  • Lexmark 4049LMO | Service Manual - Page 146
    4049-XXX Assembly 2: Lower Frame 7-4
  • Lexmark 4049LMO | Service Manual - Page 147
    Packet 1381663 Left Cartridge Latch Gear Train Cover LH Bracket, Duplex RH Bracket, Duplex Screw, Duplex Bracket, Parts Packet 1381663 Grommet, Printhead Cable Cable Clamp Guide, Cable Screw, Cable Clamp, Parts Packet 1381663 Parts Catalog 7-5
  • Lexmark 4049LMO | Service Manual - Page 148
    4049-XXX Assembly 3: Upper Frame 7-6
  • Lexmark 4049LMO | Service Manual - Page 149
    4049-XXX AsmIndex 3-1 -1 -1A -2 -2 -3 -4 -5 -6 -7 -8 -9 NS -10 -11 -12 -16 -18 -18 -19 -20 -21 -23 -24 -27 -28 -30 Part Number 1325196 1381045 1325103 1328218 1427306 1039693 1039692 1383998 1424481 1328222 1408616 1408216 1328308 1328467 Units 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 2 1 2 1 1 1 2
  • Lexmark 4049LMO | Service Manual - Page 150
    4049-XXX Assembly 4: Printhead 7-8
  • Lexmark 4049LMO | Service Manual - Page 151
    4049-XXX AsmIndex 4-1 -2 -3 -4 NS -5 -6 -7 -8 -8A -8B -8C -9 Part Number 1381635 1328431 1408033 1408034 1038199 1425284 Units 1 1 1 1 1 1 1 1 2 1 1 1 2 Description Printhead Printhead Shroud Assembly Cable, Fan/Mirror Motor Cable, hsync Cable, Tie Cable, Laser (Install with marked end to
  • Lexmark 4049LMO | Service Manual - Page 152
    4049-XXX Assembly 5: Paper Feed 7-10
  • Lexmark 4049LMO | Service Manual - Page 153
    4049-XXX AsmIndex 5-1 -2 -3 NS -4 -5 -6 -7 -7 -8 -9 -10 -11 -12 -12 -13 -14 -15 -16 -17 -18 -18 -19 -20 -21 -22 -23 -24 -25 -26 Part Number 1039101 1183597 1381670 1381919 1381636 1408859 1408703 1381801 1039170 1408690 1328317 1039175 1042211 1328192 1328193 1381912 1408249 1381908 1381914
  • Lexmark 4049LMO | Service Manual - Page 154
    4049-XXX Assembly 5: Paper Feed (Continued) 7-12
  • Lexmark 4049LMO | Service Manual - Page 155
    NS -30 -31 -33 -34 -34 -35 NS -36 -37 -38 -39 -40 -41 Part Number 1402325 1328450 1427418 1408717 1328381 1038186 1381895 1381899 1328345 1381298 1408064 1381567 1408061 1408792 Op Panel (Output Bin lead has no connection on R/Rx/Rt) Guide, Bail, and Minibail Kit (R/Rx/Rt uses Minibail only) Cable,
  • Lexmark 4049LMO | Service Manual - Page 156
    4049-XXX Assembly 6: Paper Feed Alignment Gears 7-14
  • Lexmark 4049LMO | Service Manual - Page 157
    4049-XXX AsmIndex 6-1 -2 -3 -4 -5 N/S N/S Part Number 1427307 1381145 1039278 1328384 1383580 1383908 Units 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Description Bellcrank, Metering o Shaft o Bellcrank o Roll o Thrust Washer Kit, Prealigner and Auxiliary Rollers Gear, Idler, Prealigner Spring, Prealigner
  • Lexmark 4049LMO | Service Manual - Page 158
    4049-XXX Assembly 7: Paper Feed Drive 7-16
  • Lexmark 4049LMO | Service Manual - Page 159
    4049-XXX AsmIndex 7-1 -2 -3 -4 -4 -5 -6 -6 -8 -9 -10 -11 -12 -13 -14 -15 -16 -22 Part Number 69G5480 1328279 1408703 1381801 1328313 1328454 1381726 1381886 1381306 1408243 1383433 1381881 1039170 Units 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Description Note: Machine may have either torquer motor (
  • Lexmark 4049LMO | Service Manual - Page 160
    4049-XXX Assembly 8: Standard Paper Tray (200-Sheet) 7-18
  • Lexmark 4049LMO | Service Manual - Page 161
    Assembly for Labels, 14 in. (200-sheet) Paper Tray Assembly, A5 Cover, 14 in. Paper Stop Corner Buckler Liner, 11 in. Liner, 14 in. Adjustable Guide Universal Paper Tray Guide, Universal Paper Tray Kit, Paper Level Indicator Parts Catalog 7-19
  • Lexmark 4049LMO | Service Manual - Page 162
    4049-XXX Assembly 9: Paper Tray (500-Sheet) 7-20
  • Lexmark 4049LMO | Service Manual - Page 163
    Weight Labels (750g spring), 11 in. Bottom Cover 11 in. Bottom Cover 14 in. Cover, Front Trim 11 in. Cover, Front Trim 14 in. Paper Guide Slide 11 in. Slide 14 in. Paper Stop Slider, Paper Stop Cover 14 in. Pivot Plate, with label Retainer, Parts Packet 1381663 Spring Assembly, (450g
  • Lexmark 4049LMO | Service Manual - Page 164
    4049-XXX Assembly 10: Base for Paper Drawer (500-Sheet) 7-22
  • Lexmark 4049LMO | Service Manual - Page 165
    4049-XXX AsmIndex 10-1 -2 -3 -4 NS NS Part Number 1408289 1039558 1409146 1039170 1328674 Units 1 1 1 4 1 4 Description Housing Roll Plate Assembly, Gear Pad, Machine Clip, Ground Screw, PP 1381663 Parts Catalog 7-23
  • Lexmark 4049LMO | Service Manual - Page 166
    4049-XXX Assembly 11: Second Paper Drawer, (200-Sheet) 7-24
  • Lexmark 4049LMO | Service Manual - Page 167
    Units 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Description Base Asm, Second Drawer, Rt Base Asm, Second Drawer, Non-Rt Detent Roller Foot Switch Asm Tray Guide, Right Tray Guide, Left Drive Asm o Drive Asm Gear Kit D-Roller Tire Drive Roller Torquer Motor Bellcrank Asm Deflector Ground Clip Cable
  • Lexmark 4049LMO | Service Manual - Page 168
    4049-XXX Assembly 12: Optional Paper Drawer (500-Sheet) 7-26
  • Lexmark 4049LMO | Service Manual - Page 169
    4049-XXX AsmIndex 12-1 -2 -3 -4 NS -6 -7 -8 -11 -12 NS -14 -15 -16 -17 Part Number 1408161 1328630 1039170 1039596 1039603 1039540 1381306 1381638 1381920 1039558 1183299 1381887 Units 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 Description Base Assembly Deflector Feet Bellcrank Assembly Spring, Bellcrank--
  • Lexmark 4049LMO | Service Manual - Page 170
    4049-XXX Assembly 13: Fuser 7-28
  • Lexmark 4049LMO | Service Manual - Page 171
    (supply item) Fuser Cover Spring Redrive Exit, Parts Packet 1381666 Screw, Parts Packet 1381663 Fuser Lamp 110 V R/L/Rt. Install lamp with color-coded end away from gear. Fuser Lamp 220 V R/L/Rt. Install lamp with color-coded end away from gear. Fuser Lamp 110 V Rx/Lx/R+/Rt+/Lx+. Install lamp with
  • Lexmark 4049LMO | Service Manual - Page 172
    4049-XXX Assembly 13: Fuser (Continued) 7-30
  • Lexmark 4049LMO | Service Manual - Page 173
    Lamp Contact Asm, Left Lamp Screw, Mtg., Parts Packet 1381663 Detack Fingers Detack Finger Springs Detack Housing, W/Fingers and Springs Lower Exit Guide Shroud, W/Thermal Fuse, Thermistor, and Clips, R/L/Rt Shroud, W/Thermal Fuse, Thermistor, and Clips, Rx/Lx/R+/Rt+/Lx+ Thermistor, high temperature
  • Lexmark 4049LMO | Service Manual - Page 174
    4049-XXX Assembly 14: Electronics 7-32
  • Lexmark 4049LMO | Service Manual - Page 175
    Power Cord Set, Denmark Power Cord Set, New Zealand/Australia/ Argentina/Paraguay Power Cord Set, Israel Power Cord Set, UK/Malaysia/Singapore Rod, on/off Support, Rod on/off Actuator, On/Off Plate, On/Off Actuator Lever, Pivot Latch, On/Off Spring, PP 1381666 HV Power Supply, with Cable Cable, HVPS
  • Lexmark 4049LMO | Service Manual - Page 176
    4049-XXX Assembly 14: Electronics (Continued) 7-34
  • Lexmark 4049LMO | Service Manual - Page 177
    , Rx/L/Lx DRAM SIMM 2MB, R/Rt DRAM SIMM 8MB, Lxi Inner EMC Shield, R/Rt/L/Lx/Rx Inner EMC Shield, R+/Rt+/Lx+ Standoff Kit, Board Mounting Guide, Font Card Screw, HVPS Mtg., Parts Packet 1381663 Screw, LVPS Mtg., Parts Packet 1381663 Switch On/Off Switch Pivot ROM SIMM, R/Rt/L/Lx/Rx ROM
  • Lexmark 4049LMO | Service Manual - Page 178
    4049-XXX Assembly 15: Transfer Roll 7-36
  • Lexmark 4049LMO | Service Manual - Page 179
    4049-XXX AsmIndex 15 15-1 -2 -3 NS Part Number 1381922 1381008 1381652 1328356 1381923 Units 1 1 1 1 1 1 1 1 Description Transfer Roll Asm, complete Roll Asm, Transfer, With Right Bearing Housing, Transfer o Rear Lens Asm, Erase o Contact, Transfer Roll o Lamp Asm, Erase Cover, Clip Bearing
  • Lexmark 4049LMO | Service Manual - Page 180
    4049-XXX Assembly 16: Duplex Option 8 7 1 2 17 12 3 13 14 15 10 19 4 18 9 5 25 16 24 6 20 23 22 21 7-38
  • Lexmark 4049LMO | Service Manual - Page 181
    R/Rx/Rt Paper Stop, 300 Tray Paper Stop,130 Tray Top Cover, Paper Tray Belt, Paper Tray Down Stop, 130 Tray Down Stop, 300 Tray Guide, Edge, 130 Tray Gear Parts Pack Flag Parts Pack Parts Catalog 7-39
  • Lexmark 4049LMO | Service Manual - Page 182
    4049-XXX Assembly 17: Envelope+ and 100-Sheet Auxiliary Feeder 7-40
  • Lexmark 4049LMO | Service Manual - Page 183
    1 Description Envelope+ Feeder 100-Sheet Auxiliary Feeder Weight Assembly Screw Spring Magnet Assembly Washer Screw, Mtg Cover, Right Guide, Large Latch, Guide Guide, Small Spring, Override Lever (100-Sheet Auxiliary Feeder Only) Roller Pack (Envelope+ Feeder Only) Roller Pack (100-Sheet Auxiliary
  • Lexmark 4049LMO | Service Manual - Page 184
    4049-XXX Assembly 18: Dual Rear Feeder 7-42
  • Lexmark 4049LMO | Service Manual - Page 185
    Dual Rear Feeder Cover, Right Dual Torquer Asm Screw, Torquer, PP 1367169 Gear Kit Roller Kit Envelope Buckler Kit Pick Roll Hub Kit Extender Edge Guides & Width Adjust Strip Kit Slider Door Screw, Frame, PP 1367169 Paper Load Shaft Clip, PP 1367169 Parts Catalog 7-43
  • Lexmark 4049LMO | Service Manual - Page 186
    4049-XXX Assembly 19: High Capacity Feeder 7-44
  • Lexmark 4049LMO | Service Manual - Page 187
    designator switch & cable Bottom Plate Door Assembly Rear Paper Path Deflector Power Supply Cable harness with circuit board, power supply and printer connectors Door Switch Cable Assembly Feeder Subassembly, U.S. Feeder Subassembly, A4 Paper feed roller kit with retainers Circuit Board, *check A4
  • Lexmark 4049LMO | Service Manual - Page 188
    4049-XXX Assembly 20: Options AsmIndex 20-2 -3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 - -11 -12 -13 -13A Part Number 1364923 1364922 1364879 1364921 1364877 1364876 1364875 1364874 13A0339 13A0340 13A0349 1381050 1446702 1402217 1402218 1446702 13A0294 13A0295 13A0296 13A0297 13A0298 1328563 1364915
  • Lexmark 4049LMO | Service Manual - Page 189
    4049-XXX Assembly 21: Miscellaneous AsmIndex - Part Number 1319128 1329048 1381663 1381666 1381665 1381145 1329301 1384076 1383586 9900692 1280443 1381561 1381048 1381669 1381664 1381661 1383314 Units 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Description Parallel Wrap Plug Serial Wrap Plug Fasteners
  • Lexmark 4049LMO | Service Manual - Page 190
    problem 2-26, 2-27 paper restraint spring adjustment 4-2 parts assembly 7-40 , 7-42 200-sheet paper tray top cover removal 4-14 500-sheet paper drawer parts assembly 7-24, 7-26 500-sheet paper tray parts assembly 7-20 top cover removal 4-14 500-sheet second tray paper feed problem 5-8 printer ground
  • Lexmark 4049LMO | Service Manual - Page 191
    tests 3-2 paper feed tests 3-2 print registration tests 3-1 print tests 3-1 printer setup tests 3-2 diamonds on display 2-34 disk test/clean 3-5 drive restraint spring adjustment 4-2 magnet adjustment 4-3 paper feed problem 2-26, 2-27 parts assembly 7-40, 7-42 error codes 2-2 ESD-sensitive parts 4-1
  • Lexmark 4049LMO | Service Manual - Page 192
    or 922 error 2-19 923 or 924 error 2-20 input guide removal 4-19 lamp removal 4-20 parts assembly 7-28, 7- removal 4-35 input sensor board removal 4-26 L LAN information 3-17 problems 2-21 LCD test 3-9 light print 2-21 lubrication specifications 6-1 LVPS -2 2-22 Token-Ring 2-22 X-3 Service Manual
  • Lexmark 4049LMO | Service Manual - Page 193
    14 print test page 3-18 print test with RIP board removed 3-18 printer ground straps connectors 5-11 printhead 934 and 935 errors 2-30 connectors 5-10 parts assembly 7-8 problem 2-30 removal 4-34 skew adjustment 4-9 printhead window cleaning 6-4 Q quick disk test 3-14 quick test 3-14 R random marks
  • Lexmark 4049LMO | Service Manual - Page 194
    4049-XXX S safety inspection guide 6-1 scheduled mechanical mainte- nance 6-3 sensor test 3-15 skew all edges 2-33 top and bottom only 2-33 stalled printer 2-34 streaks 2-34 symptom table 2-11 T toner sensor removal 4-37 transfer test 3-16 V vertical void 2-34 W wrap tests 3-16 X-5 Service Manual
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4049-XXX
Optra
TM
Series
Lexmark is a trademark of Lexmark
International, Inc., registered in the
United States and/or other countries.
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