Lexmark C736 Service Manual
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Diagnostic information2-25 5026 Go Back Previous Next 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 2-74. 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 2-74. 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 2-75. 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 line.1. 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 2-76. 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 2-77. 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 2-75. Error code Description Action
2-26Service Manual 5026 Go Back Previous Next 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 2-78. 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 2-79. 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 2-79. 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 2-79. 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 2-80. 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 2-81. Error code Description Action
Diagnostic information2-27 5026 Go Back Previous Next 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 line.1. 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 2-81. 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 2-83. 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 2-81. 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 2-78. 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 2-84. 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 2-84. Error code Description Action
2-28Service Manual 5026 Go Back Previous Next 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 2-85. 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 2-89. 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 2-86. 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 line.1. 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 2-87. 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 2-86. Error code Description Action
Diagnostic information2-29 5026 Go Back Previous Next 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. 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 2-90. 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 2-59. 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. Check the multipurpose feeder pick arm rolls (tires), and then clean if necessary. 7. Replace the paper tray. 250.21 Multipurpose feeder motor stalled. Possible causes: • Multipurpose feeder motor failure • Cabling failure • Multipurpose feeder gear assembly failure • System board failure• Remove all the media present in the paper path. • Ensure proper media is set for the type of paper used. • Fan media, and stack it flat in the tray or 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 2-48. Error code Description Action
2-30Service 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 2-90. 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 2-93. 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 4-153. 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 2-94. 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 4-153. 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 4-153. 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 4-153. 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 4-153. 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 2-50. 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 2-42. 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 error service check” on page 2-94. 920.04 POST ErrorFuser motor not connected. • POR the printer. • If the error message persists, go to “920.04— POST (power-on self test) error service check” on page 2-96. Error code Description Action
Diagnostic information2-31 5026 Go Back Previous Next 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 “Input sensor service check” on page 2-128. 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) error service check” on page 2-99. 920.08 POST ErrorExit sensor not connected. • POR the printer. • If the error message persists, go to “Exit sensor service check” on page 2-127. 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 2-101. 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 2-102. 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 2-102. 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 sensor not connected error service check” on page 2-104. 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 2-105. 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 2-106. 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 2-107. 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. Error code Description Action
2-32Service Manual 5026 Go Back Previous Next 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 2-111. 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 2-107. 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 4-112. 920.22 POST ErrorFuser bubble sensor is not connected. If the error message persists, go to “Bubble sensor service check” on page 2-124. 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 2-114. 920.25 POST ErrorBad temperature and humidity sensor. • POR the printer. • If the problem persists, go to “920.03, 920.25— Transfer Module Missing error service check” on page 2-94. 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) service check” on page 2-116. 920.28 POST ErrorOption type unknown. If the error message persists, go to “920.27, 920.28, 920.29—POST (power on self test) service check” on page 2-116. 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) service check” on page 2-116. Error code Description Action
Diagnostic information2-33 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 2-68. •Tray 3—Go to “243.02—Paper Jam service check” on page 2-74. •Tray 4—Go to “244.02—Paper Jam service check” on page 2-80. •Tray 5—Go to “245.02—Paper Jam service check” on page 2-85. 920.31 POST ErrorOption hardware error (generic) Contact your next level of support. 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 2-116. 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 2-117. 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 2-116. 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 2-117. 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 2-116. 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 2-117. 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 2-118. 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 2-118. 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 2-118. 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 2-118. Error code Description Action
2-34Service Manual 5026 Go Back Previous Next 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 2-118. 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 2-118. 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 2-118. 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 2-118. 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 2-120 951.01–951.99 NVRAM FailureSystem board NVRAM failure. • POR the printer. • If the error message persists, replace the system board. See “System board removal” on page 4-153. 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” on page 4-24. 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 4-153. 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 4-153. 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 2-121. 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 4-153. 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 4-153. Error code Description Action