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Lexmark C 746 Service Manual

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    							Diagnostic information2-25
     5026
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    201.08 Exit sensor is never made.
    Possible causes:
    • Improper loading
    • Paper wrapped in fuser
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Faulty system board
    • Faulty transfer belt module• Check for anything in the paper path that might 
    cause the paper to jam. 
    • The fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    • Check the transfer belt module.
    201.10 Input sensor flag broke early.
    Possible causes:
    • Incorrect media set
    • Defective input sensor
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam.
    • Ensure the proper media is set for the type of 
    paper used.
    •Go to “920.06—Input sensor service check” 
    on page 2-99. 
    201.17 Power up or cover closed with bubble 
    sensor active.
    Possible causes:
    • Paper jam leaving page over 
    sensor
    • Damaged bubble sensor
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Faulty system board1. Ensure the proper media is set for the type of 
    paper used.
    2. Fan the media, and stack flat in the tray or 
    multipurpose feeder.
    3. Properly set media restraints in the paper tray.
    4. Clear away anything in the paper path that might 
    cause the paper to jam.
    If the problem persists, go to “Bubble sensor 
    service check” on page 2-122.
    201.21 Cartridge motor 1 (top) or cartridge 
    motor 2 (middle) has stalled.
    Possible causes:
    • Faulty cable/connector
    • Faulty cartridge motor
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam. 
    • If clearing a paper jam does not fix the problem, 
    go to “143.xx—Motor (EP drive assembly top 
    cartridge 1 motor) error service check” on 
    page 2-51, and then go to “144.xx—Motor (EP 
    drive assembly middle cartridge) error 
    service check” on page 2-52, if necessary.
    201.24 A 201.08 jam occurred and was not 
    cleared.
    Possible cause—Failure to open and 
    close the top access door.This error is generated as a protection for possible 
    paper wrap in the fuser. 
    • Open the top access door, and check for a 
    paper jam. Close the top access door. 
    •Go to “920.08—Exit sensor service check” 
    on page 2-100.
    201.31 Paper is jammed between the input 
    sensor and the exit sensor during 
    warm-up.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Transport belt module failure
    • Lower guide failure
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam.
    •Go to “201.06, 201.08, 201.31—Paper Jam 
    error service check” on page 2-65. Error code  Description  Action  
    						
    							2-26Service Manual 5026 
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    201.32 Paper is jammed between the input 
    sensor and the exit sensor during 
    input options warm-up.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Transport belt module failure
    • Lower guide failure
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Input option damage
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam.
    • Open input tray and clear paper jams.
    202.02 Exit sensor is made when printer tries 
    to print from an idle state.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam. 
    • The fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    202.12 Exit sensor broke early.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Faulty fuser
    • Faulty system boardThe fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    202.13 Exit sensor never broke.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Faulty fuser
    • Faulty system board
    • Faulty output bin flag• Check exit sensor flag on fuser for proper 
    operation. Ensure that paper is not hanging on 
    the flag.
    • The fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    • Check the output bin flag.
    202.17 Exit sensor is made when the printer 
    powers up or covers are closed.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam. 
    • The fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    202.21 Fuser motor stalled.
    Possible causes:
    • Faulty cable/connector
    • Faulty fuser motor
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam. 
    • If clearing a paper jam does not fix the problem, 
    go to “142.xx, 906.01–906.04—Motor (fuser) 
    error service check” on page 2-49. Error code  Description  Action  
    						
    							Diagnostic information2-27
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    202.31 Paper jam at exit sensor during warm-
    up.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam.
    • The fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    203.09 During duplex printing retract, the exit 
    sensor is never made.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Transport belt module failure
    • Damaged fuser autoconnect
    • Faulty fuser DC cable connection
    • Faulty fuser
    • Faulty system board• Check for anything in the paper path that might 
    cause the paper to jam. 
    • The fuser exit sensor may not be functioning 
    properly. Go to “203.09—Paper Jam error 
    service check” on page 2-68.
    203.14 During duplex printing retract, the exit 
    sensor broke early.
    Possible causes:
    • Incorrect paper settings
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Faulty fuser
    • Faulty system board• Ensure proper media is set for the type of paper 
    used.
    • The fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    203.15 During duplex printing, the exit sensor 
    never broke.
    Possible causes:
    • Damaged paper exit sensor or 
    paper exit sensor flag
    • Obstructed duplex
    • Faulty fuser
    • Faulty system board
    • Duplex motor failure
    • Faulty bin full sensor• Check the duplex paper path for damage that 
    would obstruct the print. If damage is found, 
    replace the front door assembly. See “Front 
    door assembly removal” on page 4-100.
    • The fuser exit sensor may not be functioning 
    properly. Go to “920.08—Exit sensor service 
    check” on page 2-100.
    • The duplex motor may not be functioning 
    properly. Go to “146.xx, 148.xx—Motor (MPF/
    duplex) error service check” on page 2-55. 
    • Check the bin full sensor and bin full sensor flag.
    203.20 During duplex, the page entered the 
    duplex path before the previous page 
    cleared the path.
    Possible causes:
    • Defective input sensor
    • Faulty system board
    • Wrong media size selected
    • Defective exit sensor• Check for anything in the duplex paper path that 
    might cause the paper to jam. This includes the 
    paper guides in tray 1.
    • If clearing the paper jam does not fix the 
    problem and the paper is fan-folded, replace the 
    front access assembly. See “Front door 
    assembly removal” on page 4-100.
    • If clearing a paper jam does not fix the problem, 
    go to “920.06—Input sensor service check” 
    on page 2-99.
    • Make sure the selected media and media 
    definitions match.
    • Check the exit sensor. Error code  Description  Action  
    						
    							2-28Service Manual 5026 
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    230.03 During duplex printing, the input 
    sensor never broke.
    Possible causes:
    • Obstructed duplex path
    • Duplex drive failure
    • Defective input sensor
    • Faulty system board• Check for anything in the duplex paper path that 
    might cause the paper to jam. This includes the 
    paper guides in tray 1.
    •Go to “230.03, 230.05—Paper Jam error 
    service check” on page 2-70.
    230.05 During duplex printing, the input 
    sensor is not made.
    Possible causes:
    • Obstructed duplex path
    • Defective input sensor
    • Faulty system board
    • Faulty duplex drive• Check for anything in the duplex paper path that 
    might cause the paper to jam. This includes the 
    paper guides in tray 1.
    •Go to “230.03, 230.05—Paper Jam error 
    service check” on page 2-70.
    230.21 Duplex motor stalled.
    Possible causes:
    • Obstructed duplex path
    • Defective duplex motor
    • Faulty system board• Check for anything in the duplex paper path that 
    might cause the paper to jam. This includes the 
    paper guides in tray 1.
    • If clearing a paper jam does not fix the problem, 
    go to “146.xx, 148.xx—Motor (MPF/duplex) 
    error service check” on page 2-55.
    241.03 While feeding from tray 1, the input 
    sensor does not break.
    Possible causes:
    • Incorrect media setting
    • Incorrect paper loading
    • Incorrect media restraint setting
    • Paper pick mechanism failure
    • Transport belt motor failure1. Clear away anything in the paper path that might 
    cause the paper to jam.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    4. Properly set media restraints in paper tray. 
    5. Check the pick arm rolls (tires) and replace if 
    worn.
    If the problem persists, go to “200.11, 250.03—
    Paper Jam error service check” on page 2-64.
    241.05 While feeding from tray 1, the input 
    sensor is never made.
    Possible causes:
    • Incorrect paper loading
    • Incorrect media restraint setting
    • Pick art rolls (tires) failure
    • Paper pick mechanism failure
    • System board failure1. Remove all media present in the paper path.
    2. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    3. Properly set media restraints in paper tray. 
    4. Check the pick arm rolls (tires) and replace if 
    worn.
    If the problem persists, go to “140.xx, 920.02—
    Autocomp (tray 1) motor error service check” 
    on page 2-49.
    241.21 Tray 1 motor stalled.
    Possible causes:
    • Incorrect paper loading
    • Paper pick mechanism failure
    • System board failure1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    If the previous actions do not fix the problem, go to 
    “140.xx, 920.02—Autocomp (tray 1) motor error 
    service check” on page 2-49.
    242.02 Tray 2 pass thru sensor made at 
    POR.
    Possible causes:
    • Paper jam leaving paper over 
    sensor
    • Defective pass thru sensor• Check for anything in the paper path that might 
    cause the paper to jam.
    • If the error persists, go to “242.02—Paper Jam 
    service check” on page 2-71. Error code  Description  Action  
    						
    							Diagnostic information2-29
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    242.03 Pick timeout from tray 2 exceeded 
    without a tray 2 sensor break.
    Possible causes:
    • Incorrect media setting
    • Incorrect paper loading
    • Incorrect media restraint setting
    • Tray 2 assembly failure
    • Aligner failure
    • Transport belt module failure1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used in tray 2.
    3. Fan media, and stack flat in tray 2.
    4. Properly set media restraints in tray 2. 
    If the paper jam message persists, go to “242.03, 
    242.11—Paper Jam service check” on 
    page 2-72.
    242.05 Tray 2 picked, but page failed to reach 
    the option sensor in time.
    Possible causes:
    • Incorrect media setting
    • Incorrect paper loading
    • Incorrect media restraint setting
    • Loading card stock from the 
    special media tray above the fill 
    line1. Ensure proper media is set for the type of paper 
    used in tray 2.
    2. Fan media, and stack flat in tray 2.
    3. Properly set the media restraints in tray 2.
    4. Check the pick arm rolls (tires) in tray 2 and 
    replace if worn.
    If the previous actions do not fix the problem, go to 
    “242.05—Paper Jam service check” on 
    page 2-73. 
    242.10 Tray 2 page exits pass thru made 
    early.
    Possible causes:
    • Defective pass thru sensor
    • Faulty cable in the connector 
    JOPT1 on system board• Ensure the proper media is set for the type of 
    paper used in tray 2.
    • Check for anything in the paper path that might 
    cause the paper to jam.
    • The exits pass thru sensor may not be 
    functioning properly. Go to “242.10—Paper 
    Jam service check” on page 2-74. 
    242.11 Tray 2 sensor never broke.
    Possible causes:
    • Incorrect tray 2 media setting
    • Incorrect Tray 2 paper loading
    • Incorrect media restraint setting
    • Paper tray 2 failure
    • Aligner failure
    • Transport belt module failure
    • Loading card stock from the 
    special media tray above the fill 
    line
    • High humidity (replace paper)1. Ensure the proper media is set for the type of 
    paper used in tray 2.
    2. Fan media, and then stack flat in tray 2.
    3. Properly set the media restraints in tray 2.
    Go to “242.03, 242.11—Paper Jam service 
    check” on page 2-72.
    242.17 Tray 2 detected a jam from idle.
    Possible causes:
    • Paper jam leaving page over 
    sensor
    • Defective input sensor
    • Faulty system board• Clear away anything in the paper path that might 
    cause the paper to jam.
    • If clearing a paper jam does not fix the problem, 
    “242.17—Paper Jam service check” on 
    page 2-75.
    242.21 Tray 2 motor stalled.
    Possible causes:
    • Incorrect paper loading
    • Paper pick mechanism failure
    • Printer option cable connector 
    damaged
    • Input option damage. 
    • System board failure1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    If the previous actions do not fix the problem, go to 
    “242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 
    244.30, 245.30—Paper Jam service check” on 
    page 2-76. Error code  Description  Action  
    						
    							2-30Service Manual 5026 
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    242.26 While feeding from tray 2, the pass 
    thru sensor is not made.
    Possible causes:
    • Incorrect paper loading for lower 
    tray
    • Incorrect media restraint setting 
    for lower tray
    • Paper tray 2 assembly failure
    • Lower tray 3 assembly failure1. Clear away anything in the paper path that might 
    cause the paper to jam.
    2. Ensure the proper media is set for the type of 
    paper used in the lower tray.
    3. Fan the media, and then stack flat in the lower 
    tray.
    4. Properly set the media restraints in the lower 
    tray.
    5. Check the pick arm rolls (tires) in the lower tray, 
    and then replace if worn.
    If the problem persists, go to “242.26—Paper Jam 
    service check” on page 2-76.
    242.27 While feeding from a lower tray, pass 
    thru sensor did not break.
    Possible causes:
    • Paper tray 2 assembly failure 
    (feed through roller)
    • Aligner failure
    • Transport belt motor failure• Clear away anything in the paper path that might 
    cause the paper to jam.
    • Reseat option tray 2.
    •Go to “242.27—Paper Jam service check” on 
    page 2-77. 
    242.29 Tray 2 is not ready or missing while 
    printing.
    Possible cause is paper tray 2 
    assembly failure• Make sure that tray 2 is correctly inserted.
    •Go to “242.29—Paper Jam service check” on 
    page 2-77.
    242.30 Tray 2 page reached pass-through 
    sensor early.
    Possible cause:
    • Incorrect paper loading
    • Paper pick mechanism failure
    • Pick arm roll damaged
    • Defective pass-through sensor
    • Input option damaged1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    If the previous actions do not fix the problem, go to 
    “242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 
    244.30, 245.30—Paper Jam service check” on 
    page 2-76.
    242.32 Paper is jammed on tray 2 
    pass-through sensor during input 
    options warm-up.
    Possible damage:
    • Obstruction on the pass-through 
    sensor
    • Damage on the pass-through 
    sensor and flag
    • Input option damage
    • Damaged option autoconnect 
    cable
    • Damaged system boardGo to “242.32, 243.32, 244.32, 245.32—Paper 
    Jam service check” on page 2-78.
    243.02 Tray 3 pass thru sensor made at 
    POR.
    Possible causes:
    • Paper jam leaving page over the 
    sensor
    • Defective pass thru sensor• Check for anything in the paper path that might 
    cause the paper to jam.
    • If clearing a paper jam does not fix the problem, 
    see “243.02—Paper Jam service check” on 
    page 2-78. Error code  Description  Action  
    						
    							Diagnostic information2-31
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    243.03 Pick timeout from tray 3 exceeded 
    without a tray 3 sensor break.
    Possible causes:
    • Tray 3 incorrect media setting
    • Tray 3 incorrect paper loading
    • Tray 3 incorrect media restraint 
    setting
    • Tray 3 assembly failure1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used in tray 3.
    3. Fan media, and stack flat in tray 3.
    4. Properly set media restraints in tray 3.
    If the previous actions do not fix the problem, go to 
    “243.03, 243.11—Paper Jam service check” on 
    page 2-79.
    243.05 Tray 3 picked, but page failed to reach 
    the option sensor in time,
    Possible causes:
    • Tray 3 incorrect media setting
    • Tray 3 incorrect paper loading
    • Tray 3 incorrect media restraint 
    setting
    • Tray 3 paper pick mechanism 
    failure
    • Loading card stock from the 
    special media tray above the fill 
    line1. Ensure proper media is set for the type of paper 
    used in tray 3.
    2. Fan media, and stack flat in tray 3.
    3. Properly set the media restraints in tray 3.
    4. Check the pick arm rolls (tires) in tray 3 and 
    replace if worn.
    If the previous actions do not fix the problem, go to 
    “243.05—Paper Jam service check” on 
    page 2-80.
    243.10 Tray 3 page exit pass thru sensor 
    broken early.
    Possible causes:
    • Defective pass thru sensor
    • Faulty cable in connector OPT1.• Make sure the proper media is set for the type of 
    paper used in tray 3.
    • Check for anything in the paper path that might 
    cause the paper to jam.
    • The exit pass thru sensor may not be 
    functioning properly. Go to “243.10—Paper 
    Jam service check” on page 2-81.
    243.11 Tray 3 sensor never broke.
    Possible causes:
    • Incorrect tray 3 media setting
    • Incorrect tray 3 paper loading
    • Incorrect media restraint setting
    • Paper tray failure
    • Aligner failure
    • Transport belt module failure
    • Loading card stock from the 
    special media tray above the fill 
    line
    • High humidity (replace paper)1. Ensure the proper media is set for the type of 
    paper used in tray 3.
    2. Fan media, and then stack flat in tray 3.
    3. Properly set the media restraints in tray 3.
    4. Check the pick arm rolls (tires) in tray 3 and 
    replace if worn.
    If the problem persists, Go to “243.03, 243.11—
    Paper Jam service check” on page 2-79.
    243.17 Tray 3 detected a jam from idle.
    Possible causes:
    • Paper jam leaving page over 
    sensor
    • Defective input sensor
    • Faulty system card• Clear away anything in the paper path that might 
    cause the media to jam.
    • If the problem persists, go to “243.17—Paper 
    Jam service check” on page 2-82.
    243.21 Tray 3 motor stalled.
    Possible causes:
    • Incorrect paper loading
    • Paper pick mechanism failure
    • Printer option cable connector 
    damaged
    • Input option damage. 
    • System board failure1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    If the previous actions do not fix the problem, go to 
    “242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 
    244.30, 245.30—Paper Jam service check” on 
    page 2-76. Error code  Description  Action  
    						
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    243.26 While feeding from a lower tray, tray 3 
    pass thru sensor is not made.
    Possible causes:
    • Incorrect paper loading for lower 
    tray
    • Incorrect media restraint setting 
    for lower tray
    • Paper tray 3 assembly failure
    • Lower tray 4 assembly failure1. Clear away anything in the paper path that might 
    cause the media to jam.
    2. Make sure proper media is set for the type of 
    paper used in lower feeding tray.
    3. Fan media, and stack flat in the lower feeding 
    tray.
    4. Properly set media restraints in the lower 
    feeding tray.
    5. Check the pick arm rolls in lower tray and 
    replace if worn.
    If the problem persists, go to “243.26—Paper Jam 
    service check” on page 2-83.
    243.27 While feeding from a lower tray, tray 3 
    pass thru sensor did not break.
    Possible cause is a paper tray 3 
    assembly failure• Clear away anything in the paper path that might 
    cause the paper to jam.
    • Reseat option tray 3
    • If the problem persists, go to “243.27—Paper 
    Jam service check” on page 2-83.
    243.29 Tray 3 is not ready while printing.
    Possible cause is paper tray 3 
    assembly failure.• Make sure that tray 3 is correctly inserted.
    • If the problem persists, go to “243.29—Paper 
    Jam service check” on page 2-83. 
    243.30 Tray 3 page reached pass-through 
    sensor early.
    Possible cause:
    • Incorrect paper loading
    • Paper pick mechanism failure
    • Pick arm roll damaged
    • Defective pass-through sensor
    • Input option damaged1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    If the previous actions do not fix the problem, go to 
    “242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 
    244.30, 245.30—Paper Jam service check” on 
    page 2-76.
    243.32 Paper is jammed on tray 3
    pass-through sensor during input 
    options warm-up.
    Possible damage:
    • Obstruction on the pass-through 
    sensor
    • Damage on the pass-through 
    sensor and flag
    • Input option damaged
    • Damaged option autoconnect 
    cable
    • Damaged system boardGo to “242.32, 243.32, 244.32, 245.32—Paper 
    Jam service check” on page 2-78.
    244.02 Tray 4 pass thru sensor made at 
    POR.
    Possible causes:
    • Paper jam leaving page over the 
    sensor
    • defective pass thru sensor• Check for anything in the paper path that might 
    cause the paper to jam.
    • If the problem persists, go to “244.02—Paper 
    Jam service check” on page 2-84. Error code  Description  Action  
    						
    							Diagnostic information2-33
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    244.03 Pick timeout from tray 4 was 
    exceeded without a tray 4 sensor 
    break.
    Possible causes:
    • Tray 4 incorrect media setting
    • Tray 4 incorrect paper loading
    • Tray 4 incorrect media restraint 
    setting
    • Tray 4 assembly failure
    • Aligner failure
    • Transport belt module failure1. Remove all media present in the paper path.
    2. Maker sure proper media is set for the type of 
    paper used in tray 4.
    3. Fan the media, and stack flat in tray 4.
    4. Properly set media restraints in tray 4.
    If the problem persists, go to “244.03, 244.11—
    Paper Jam service check” on page 2-85.
    244.05 Tray 4 picked, but page failed to reach 
    the option sensor in time.
    Possible causes:
    • Tray 4 incorrect media setting
    • Tray 4 incorrect paper loading
    • Tray 4 incorrect media restraint 
    setting
    • Tray 4 paper pick mechanism 
    assembly failure
    • Loading card stock from the 
    special media tray above the fill 
    line1. Ensure proper media is set for the type of paper 
    used in tray 4.
    2. Fan media, and stack flat in tray 4.
    3. Properly set the media restraints in tray 4.
    4. Check the pick arm rolls (tires) in tray 4 and 
    replace if worn.
    If the problem persists, go to “244.05—Paper Jam 
    service check” on page 2-85.
    244.10 Tray 4 page exit pass thru made early.
    Possible causes:
    • Defective pass thru sensor
    • Faulty cable in connector OPT1• Make sure proper media is set for the type of 
    paper used in tray 4.
    • Check for anything in the paper path that might 
    cause the paper to jam.
    • The exit pass thru sensor may not be 
    functioning properly. Go to “244.10—Paper 
    Jam service check” on page 2-86.
    244.11 Tray 4 sensor never broke.
    Possible causes:
    • Incorrect tray 4 media setting
    • Incorrect tray 4 paper loading
    • Incorrect media restraint setting
    • Paper tray failure
    • Aligner failure
    • Transport belt module failure
    • Loading card stock from the 
    special media tray above the fill 
    line
    • High humidity (replace paper)1. Ensure the proper media is set for the type of 
    paper used in tray 4.
    • Fan media, and then stack flat in tray 4.
    • Properly set the media restraints in tray 4.
    If the problem persists, go to “244.03, 244.11—
    Paper Jam service check” on page 2-85.
    244.17 Tray 4 detected a jam from idle.
    Possible causes:
    • Paper jam leaving page over the 
    sensor
    • defective input sensor
    • Faulty system board• Clear away anything in the paper path that might 
    cause the paper to jam.
    • If clearing a paper jam does not fix the problem, 
    go to “243.17—Paper Jam service check” on 
    page 2-82. Error code  Description  Action  
    						
    							2-34Service Manual 5026 
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    244.21 Tray 4 motor stalled.
    Possible causes:
    • Incorrect paper loading
    • Paper pick mechanism failure
    • Printer option cable connector 
    damaged
    • Input option damaged
    • System board failure1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    If the previous actions do not fix the problem, go to 
    “242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 
    244.30, 245.30—Paper Jam service check” on 
    page 2-76.
    244.26 While feeding from a lower tray, tray 4 
    pass thru sensor is not made.
    Possible causes:
    • Incorrect paper loading for the 
    lower tray
    • Incorrect media restraint setting 
    for the lower tray
    • Paper tray 4 assembly failure
    • Paper tray 5 assembly failure1. Clear away anything in the paper path that might 
    cause the paper to jam.
    2. Make sure the proper media is set for the type of 
    paper used in the lower tray.
    3. Fan the media, and stack flat in the lower tray.
    4. Properly set the media restraints in the lower 
    tray.
    5. Check the pick arm rolls in the lower feeding tray 
    and replace if worn.
    If the problem persists, go to “244.26—Paper Jam 
    service check” on page 2-87.
    244.27 While feeding from a lower tray, tray 4 
    pass thru sensor did not break.
    Possible cause is paper tray 4 
    assembly failure.• Clear away anything in the paper path that might 
    cause the paper to jam.
    • Reseat option tray 4.
    • If the problem persists, go to “244.27—Paper 
    Jam service check” on page 2-88.
    244.29 Tray 4 is not ready, or missing while 
    printing.
    Possible cause is paper tray 4 
    assembly failure.• Make sure that tray 4 is correctly inserted.
    • If the problem persists, go to “244.29—Paper 
    Jam service check” on page 2-88.
    244.30 Tray 4 page reached pass-through 
    sensor early.
    Possible cause:
    • Incorrect paper loading
    • Paper pick mechanism failure
    • Pick arm roll damaged
    • Defective pass-through sensor
    • Input option damaged1. Remove all media present in the paper path.
    2. Ensure proper media is set for the type of paper 
    used.
    3. Fan media, and stack it flat in the tray or 
    multipurpose feeder.
    If the previous actions do not fix the problem, go to 
    “242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 
    244.30, 245.30—Paper Jam service check” on 
    page 2-76.
    244.32 Paper is jammed on tray 4 
    pass-through sensor during input 
    options warm-up.
    Possible damage:
    • Obstruction on the pass-through 
    sensor
    • Damage on the pass-through 
    sensor and flag
    • Input option damaged
    • Damaged option autoconnect 
    cable
    • Damaged system board•Go to “242.32, 243.32, 244.32, 245.32—Paper 
    Jam service check” on page 2-78. Error code  Description  Action  
    						
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