Lexmark C 746 Service Manual
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Diagnostic information2-35 5026 Go Back Previous Next 245.02 Tray 5 pass thru sensor made at POR. Possible causes: • Paper jam leaving a page over the sensor • Defective pass thru sensor• Check for anything in the paper path that might cause the media to jam. • If the problem persists, go to “245.17—Paper Jam service check” on page 2-92. 245.03 Pick timeout from tray 5 exceeded without a tray sensor break. Possible causes: • Tray 5 incorrect media setting • Tray 5 incorrect paper loaded • Tray 5 incorrect media restraint setting • Tray 5 assembly failure • Aligner failure • Transport module failure1. Remove all media present in the paper path. 2. Make sure proper media is set for the type of paper used in tray 5. 3. Fan the media, and stack flat in tray 5. 4. Properly set the media restraints in tray 5. If the problem persists, go to “245.03, 245.11— Paper Jam service check” on page 2-90. 245.05 Possible causes: • Incorrect media setting • Incorrect paper loading • Incorrect media restraint setting • Tray 5 paper pick mechanism • 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 5. 2. Fan media, and stack flat in tray 5. 3. Properly set the media restraints in tray 5. 4. Check the pick arm rolls (tires) in tray 5 and replace if worn. If the problem persists, go to “245.05—Paper Jam service check” on page 2-90. 245.10 Tray 5 page exits pass thru sensor broken early. Possible causes: • Defective pass thru sensor • Faulty cable in connector JOPT1 on the system board• Make sure the proper media is set for the type of paper used in tray 5. • 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 “245.10—Paper Jam service check. 245.11 Tray 5 sensor never broke. Possible causes: • Incorrect tray 5 media setting • Incorrect tray 5 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 5. 2. Fan media, and then stack flat in tray 5. 3. Properly set the media restraints in tray 5. 4. Check the pick arm rolls (tires) in tray 5 and replace if worn. If the problem persists, go to “245.03, 245.11— Paper Jam service check” on page 2-90. 245.17 Tray 5 detected a jam from idle. Possible causes: • Paper jam leaves a 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 the problem persists, go to “245.17—Paper Jam service check. Error code Description Action
2-36Service Manual 5026 Go Back Previous Next 245.21 Tray 5 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. 245.29 Tray 5 is not ready or missing while printing. Possible cause paper tray 5 assembly failure.• Make sure that tray 5 is correctly inserted. • If the problem persists, go to “245.29—Paper Jam service check” on page 2-93. 245.30 Tray 5 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. 245.32 Paper is jammed on tray 5 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. 250.03 While feeding from the multipurpose feeder, the input sensor did not break. Possible causes: • Incorrect media setting • Incorrect paper loading • Incorrect media restraint setting • Transport belt failure • Paper tray 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. 4. Properly set media restraints in the paper tray. 5. Replace the paper tray. If the problem persists, to “200.11, 250.03—Paper Jam error service check” on page 2-64. 250.05 While feeding from the multipurpose feeder, the input sensor is not made. Possible causes: • Incorrect media setting • Incorrect paper loading • Incorrect media restraint setting • Multipurpose feeder pick mechanism failure • System board failure1. Remove all the 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. 4. Properly set media restraints in the paper tray. 5. Check the MP feeder pick tires and clean if necessary. 6. Replace the paper tray. If the previous actions do not fix the problem, go to “146.xx, 148.xx—Motor (MPF/duplex) error service check” on page 2-55 Error code Description Action
Diagnostic information2-37 5026 Go Back Previous Next 250.21 Multipurpose feeder motor stalled. Possible causes: • Multipurpose feeder motor failure • Cabling failure • Multipurpose feeder gear assembly failure • System board failure • Defective media present sensor1. Remove all the 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. 4. Properly set media restraints in the multipurpose feeder. If the previous actions do not fix the problem, go to “146.xx, 148.xx—Motor (MPF/duplex) error service check” on page 2-55. Error code Description Action
2-38Service Manual 5026 Go Back Previous Next 9xx service error messages 900.00–900.99 Software Error (except 900.05)Unrecoverable RIP software error. Go to “900.00–900.99 (except 900.05)—System software error service check” on page 2-93. 900.05 Software Error.Transfer module has failed • POR the printer. • If the error message persists, go to “900.05— Transfer module error service check” on page 2-96. 902.01–902.99 Engine Software Error (except 902.59 and 902.60)Unrecoverable system software errors. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 902.59 ErrorRIP NVRAM MGR problem. POR the printer. If the error message persists, go to “902.59— Engine software error, NVRAM MGR problem service check” on page 2-96. 902.60 ErrorError communicating with cartridge. 1. POR the printer. 2. If the error message persists, check for the correct cartridges. 3. Replace the cartridges. 903.01–903.15 Engine Software ErrorUnrecoverable system software errors. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 904.01–904.04 Software ErrorUnrecoverable system software errors. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 905.00–905.99 Software ErrorUnrecoverable system software errors. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 910.xx Engine Software ErrorRIP software error interface violation • POR the printer. • If the error persists, replace the system board. See “System board removal” on page 4-155. 920.01 POST ErrorMultipurpose feeder/duplex motor assembly not connected.• POR the printer. • If the error message persists, go to “147.xx, 920.01—POST (power-on self test) aligner error service check” on page 2-57. 920.02 POST ErrorTray 1 motor not connected. • POR the printer. • If the error message persists, go to “140.xx, 920.02—Autocomp (tray 1) motor error service check” on page 2-49. 920.03 POST Error Transfer module not connected. • POR the printer. • If the error message persists, go to “920.03, 920.25—Transfer Module Missing or not connected service check” on page 2-97. Error code Description Action
Diagnostic information2-39 5026 Go Back Previous Next 920.04 POST ErrorFuser motor not connected. • POR the printer. • If the error message persists, go to “920.04— POST (power-on self test) fuser motor not connected error service check” on page 2-97. 920.05 POST ErrorPrinthead motor not connected. • POR the printer. • If the error message persists, go to “920.05— POST (power-on self test) printhead motor not connected error service check” on page 2-98. 920.06 POST ErrorInput sensor not connected. • POR the printer. • If the error message persists, go to “920.06— Input sensor service check” on page 2-99. 920.07 POST ErrorNarrow media sensor not connected. • POR the printer. • If the error message persists, go to “920.07— POST (power-on self test)—Narrow media sensor error service check” on page 2-99. 920.08 POST ErrorExit sensor not connected. • POR the printer. • If the error message persists, go to “920.08— Exit sensor service check” on page 2-100. 920.09 POST ErrorFour toner sensors are not connected. • POR the printer. • If the error message persists, go to “920.09— POST (power-on self test)—Four toner sensors not connected error service check” on page 2-102. 920.10 POST ErrorThree toner sensors are not connected.• POR the printer. • If the error message persists, go to “920.10— POST—Three toner sensors not connected error service check” on page 2-103. 920.11 POST ErrorTwo toner sensors are not connected. • POR the printer. • If the error message persists, go to “920.11— POST (power-on self test)—Two toner sensors not connected error service check” on page 2-104. 920.12 POST ErrorOne toner sensor is not connected. • POR the printer. • If the error message persists, go to “920.12— POST (power-on self test)—One toner sensor not connected error service check” on page 2-105. 920.13 POST ErrorCartridge motor 1 (top) not connected. • POR the printer. • If the error message persists, go to “920.13— POST (power-on self test) cartridge motor 1 not connected error service check” on page 2-106. 920.14 POST ErrorCartridge motor 2 (middle) is not connected.• POR the printer. • If the error message persists, go to “920.14— POST (power-on self test)—Cartridge motor 2 not connected error service check” on page 2-107. 920.15 POST ErrorBad transfer module NVRAM data. • POR the printer. • If the error message persists, go to “920.15, 920.20—POST (power-on self test)—Bad transfer module NVRAM data error service check” on page 2-108. Error code Description Action
2-40Service Manual 5026 Go Back Previous Next 920.16 POST ErrorBad printhead NVRAM data. • POR the printer. • If the error message persists, go to “920.16— POST (power-on self test)—Bad printhead NVRAM data error service check” on page 2-108. 920.17 POST ErrorOutput bin cable not connected. • POR the printer. • If the error message persists, go to “920.17— POST (power-on self test)—Output bin cable not connected error service check” on page 2-109. 920.18 POST ErrorCartridge motor 3 (bottom) is not connected.• POR the printer. • If the error message persists, go to “920.18— POST (power-on self test)—Cartridge motor 3 not connected error service check” on page 2-110. 920.19 POST ErrorStepper motor not connected. • POR the printer. • If the error message persists, go to “920.19— POST (power-on self test)—Transfer module stepper motor not connected error service check” on page 2-110. 920.20 POST ErrorIncompatible transfer module. • POR the printer. • If the error message persists, go to “920.15, 920.20—POST (power-on self test)—Bad transfer module NVRAM data error service check” on page 2-108. 920.21 POST Error+24 V power supply failure. • POR the printer. • If the error message persists, replace the low- voltage power supply. See “Low-voltage power supply (LVPS) removal” on page 4-119. 920.22 POST ErrorFuser bubble sensor is not connected. If the error message persists, go to “Bubble sensor service check” on page 2-122. 920.23 POST ErrorDuplex motor is not connected. • POR the printer. • If the error message persists, go to “920.23— POST (power-on self test)—Duplex motor not connected error service check” on page 2-113. 920.25 POST ErrorBad temperature and humidity sensor. • POR the printer. • If the problem persists, go to “920.03, 920.25— Transfer Module Missing or not connected service check” on page 2-97. 920.27 POST ErrorOption board ID unknown. If the error message persists, go to “920.27, 920.28, 920.29—POST (power on self test) option tray error service check” on page 2-114. 920.28 POST ErrorOption type unknown. If the error message persists, go to “920.27, 920.28, 920.29—POST (power on self test) option tray error service check” on page 2-114. 920.29 POST ErrorOption product ID unknown. If the error message persists, go to “920.27, 920.28, 920.29—POST (power on self test) option tray error service check” on page 2-114. Error code Description Action
Diagnostic information2-41 5026 Go Back Previous Next 920.30 POST ErrorOption sensor disconnected. Use the following list to determine which service check to use: •Tray 2—Go to “242.02—Paper Jam service check” on page 2-71. •Tray 3—Go to “243.02—Paper Jam service check” on page 2-78. •Tray 4—Go to “244.02—Paper Jam service check” on page 2-84. •Tray 5—Go to “245.02—Paper Jam service check” on page 2-89. 920.31 POST ErrorOption hardware error (generic) Contact your next level of support. 920.32 MPF paper present sensor not connected• POR the printer. • If the error message persists, go to “920.32— MPF paper present sensor not connected service check” on page 2-114. 925.01 Fan ErrorFan has stalled. • POR the printer. • If the error message persists, go to “925.01, 925.03, 925.05—Fan error service check” on page 2-114. 925.02 Blower ErrorBlower has stalled. • POR the printer. • If the error message persists, go to “925.02, 925.04, 925.06—Cartridge cooling fan error service check” on page 2-115. 925.03 Fan ErrorFan has stalled. • POR the printer. • If the error message persists, go to “925.01, 925.03, 925.05—Fan error service check” on page 2-114. 925.04 Blower ErrorBlower has stalled. • POR the printer. • If the error message persists, go to “925.02, 925.04, 925.06—Cartridge cooling fan error service check” on page 2-115. 925.05 Fan ErrorFan has stalled. • POR the printer. • If the error message persists, go to “925.01, 925.03, 925.05—Fan error service check” on page 2-114. 925.06 Blower ErrorBlower has stalled. • POR the printer. • If the error message persists, go to “925.02, 925.04, 925.06—Cartridge cooling fan error service check” on page 2-115. 945.01 Transfer RollYellow transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. 945.02 Transfer RollCyan transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. 945.03 Transfer RollMagenta transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. Error code Description Action
2-42Service Manual 5026 Go Back Previous Next 945.04 Transfer RollBlack transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. 947.01 Transfer RollYellow transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. 947.02 Transfer RollCyan transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. 947.03 Transfer RollMagenta transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. 947.04 Transfer RollBlack transfer roll has failed. • POR the printer. • If the error message persists, go to “945.xx, 947.xx—Transfer roll error service check” on page 2-116. 950.00–950.29 NVRAM FailureA mismatch between the operator panel assembly and the system board.• POR the printer. • If the error message persists, go to “950.00– 950.29—EPROM mismatch failure” on page 2-118 951.01–951.99 NVRAM FailureSystem board NVRAM failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 952.01–952.99 NVRAM ErrorCRC error has occurred. This is recoverable.Perform a POR to clear the error. 953.01–953.99 NVRAM FailureOperator panel assembly NVRAM failure.• POR the printer. • Replace the operator panel assembly if the error message persists. See “Operator panel assembly removal (C746)” on page 4-34. 954.01–954.99 NVRAM FailureSystem NVRAM failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 955.01–955.99 Code FailureSystem board memory failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 956.01–956.99 System Card FailureProcessor failure. • POR the printer. • If the error message persists, go to “956.xx— System board failure service check” on page 2-119. 957.00–857.99 System FailureASIC failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. Error code Description Action
Diagnostic information2-43 5026 Go Back Previous Next 958.01–958.99 Memory FailureProcessor failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 959.00–959.05 Engine Code ErrorInvalid engine code • POR the printer. • If the error message persists, download the engine code again. • POR the printer again. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 959.20–959.28 System FailureSystem board failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 960.00—960.99 Memory ErrorMemory failure. • POR the printer. • If the error message persists, RAM soldered on board is bad. Replace the system board. See “System board removal” on page 4-155. 961.00–961.99 Memory FailureMemory failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 962.00–962.99 Memory FailureMemory failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 963.00–963.99 Memory FailureMemory failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 964.00–964,88 Emulation ErrorDownload emulation CRC error. • POR the printer. • If the error message persists, download code a second time. 975.00–975.99 Network ErrorUnrecognized network port. Contact your next level of support. 976.00–976.99 Network ErrorUnrecoverable software error in network port.Contact your next level of support. 978.00–978.99 Network ErrorBad checksum while programming network portContact your next level of support. 979.00–979.99 Network ErrorFlash parts failed while programming network port.Contact your next level of support. 980.00–980.99 Communications ErrorUnreliable communications with specified device.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 981.00–981.99 Communications ErrorProtocol violation by specified device. • POR the printer. • If the error persists, replace the system board. See “System board removal” on page 4-155. Error code Description Action
2-44Service Manual 5026 Go Back Previous Next 982.00–982.12 Communications ErrorCommunications error by specified device.1. Turn the power off. 2. Remove, and reinstall the option. 3. Turn the main power back on. 4. Check all option interface connections if the problem remains. 983.00–983.99 Communications ErrorInvalid command parameter by specified device.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 984.00–984.99 Communications ErrorInvalid command parameter by specified device.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 990.00—990.29 Option ErrorContact your next level of support. 991.00–991.29 ErrorSpecified device has detected an error.• POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-155. 1565 Emul Error Load Emul Option In IRsThe DLE version contained in the firmware card will not function with the printer code. The message automatically clears in 30 seconds and the DLE is disabled. Download the correct version of the DLE. Error code Description Action