Lexmark X543 Service Manual
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Diagnostic information2-17 Lexmark confidential until announce7525xxx 122.16 Service Fuser ErrorEWC Error—Estimated power is at or above maximum power.Go to “Fuser service check” on page 2-41. 141.xx Ser vice Staging MotorStaging motor error. Go to “Autocompensator mechanism service check” on page 2-32 141.01 Service Staging MotorStaging motor has exceeded the ramp up table.Go to “Autocompensator mechanism service check” on page 2-32 141.02 Service Staging MotorStaging motor has exceeded number of encoders at min PWM.Go to “Autocompensator mechanism service check” on page 2-32 141.03 Service Staging MotorStaging motor has exceeded number of encoders at max PWM.Go to “Autocompensator mechanism service check” on page 2-32 141.04 Service Staging MotorMotor encoder count did not change between interrupts.Go to “Autocompensator mechanism service check” on page 2-32 141.05 Service Staging MotorStaging motor has encountered a stall timeout.Go to “Autocompensator mechanism service check” on page 2-32 150.xx Ser vice Black/ITU cartridge MotorBlack/ITU Cartridge Motor Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 150.01 Service Black/ITU cartridge MotorFailed to achieve lock for motor within allotted time.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 150.02 Service Black/ITU cartridge MotorTimeout waiting for SAP BLDC motor to reach valid FG speed.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 150.03 Service Black/ITU cartridge MotorTimeout waiting for MP_NUM_INITIAL_SAP_HALLS.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 150.04 Service Black/ITU cartridge MotorTimeout waiting for SAP BLDC motor FG.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 150.05 Service Black/ITU cartridge Motor Lost lock for motor. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 150.06 Service Black/ITU cartridge MotorExcessive SAP BLDC PWM. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 150.07 Service Black/ITU cartridge MotorMotor stalled in time-based commutation.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 152.xx Ser vice Cyan Cartridge MotorGo to “Main drive gear assembly (EP drive) service check” on page 2-43. 152.01 Service Cyan Cartridge MotorFailed to achieve lock for motor within allotted time.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 152.02 Service Cyan Cartridge MotorTimeout waiting for SAP BLDC motor to reach valid FG speed.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 152.03 Service Cyan Cartridge MotorTimeout waiting for MP_NUM_INITIAL_SAP_HALLS.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
2-18Service Manual 7525xxxLexmark confidential until announce 152.04 Service Cyan Cartridge MotorTimeout waiting for SAP BLDC motor FG.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 152.05 Service Cyan Cartridge MotorLost lock for motor. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 152.06 Service Cyan Cartridge MotorExcessive SAP BLDC PWM. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 152.07 Service Cyan Cartridge MotorMotor stalled in time-based commutation.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.xx Ser vice Magenta Cartridge MotorGo to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.01 Service Magenta Cartridge MotorFailed to achieve lock for motor within allotted time.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.02 Service Magenta Cartridge MotorTimeout waiting for SAP BLDC motor to reach valid FG speed.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.03 Service Magenta Cartridge MotorTimeout waiting for MP_NUM_INITIAL_SAP_HALLS.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.04 Service Magenta Cartridge MotorTimeout waiting for SAP BLDC motor FG.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.05 Service Magenta Cartridge MotorLost lock for motor. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.06 Service Magenta Cartridge MotorExcessive SAP BLDC PWM. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 153.07 Service Magenta Cartridge MotorMotor stalled in time-based commutation.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 154. xx Ser vice Yellow Cartridge MotorGo to “Main drive gear assembly (EP drive) service check” on page 2-43. 154.01 Service Yellow Cartridge MotorFailed to achieve lock for motor within allotted time.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 154.02 Service Yellow Cartridge MotorTimeout waiting for SAP BLDC motor to reach valid FG speed.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 154.03 Service Yellow Cartridge MotorTimeout waiting for MP_NUM_INITIAL_SAP_HALLS.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 154.04 Service Yellow Cartridge MotorTimeout waiting for SAP BLDC motor FG.Go to “Main drive gear assembly (EP drive) service check” on page 2-43. Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
Diagnostic information2-19 Lexmark confidential until announce7525xxx 154.05 Service Yellow Cartridge MotorLost lock for motor. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 154.06 Service Yellow Cartridge MotorExcessive SAP BLDC PWM. Go to “Main drive gear assembly (EP drive) service check” on page 2-43. 154.07 Service Yellow Cartridge MotorMotor stalled in time-based commutation. 8xx service errors 840.01 Scanner disabledThe scanner is disabled and can’t be used.Enter the configuration menu, and re- enable the scanner module. Go to “840.xx service check” on page 2-63 840.02 Scanner auto disabledThe scanner is disabled and can’t be used.This message is posted when the MFP PORs. Enter the configuration menu, and re-enable the scanner module. Go to “840.xx service check” on page 2-63 841Image Pipeline Image pipeline ASIC. Go to “CCD service check” on page 2-65. Also,Go to “Flatbed home position service check” on page 2-66. 842Scanner Failure Communication failure. Go to “CCD service check” on page 2-65 843Scanner Failure Carriage mechanical failure.Go to “Flatbed motor service check” on page 2-65 843.01Scanner Failure ADF mechanical failure. Go to “ADF paper jam service check” on page 2-68 844.yyScanner Failure Lamp failure. Go to “CCD service check” on page 2-65 844Front scan module output level error Go to “CCD service check” on page 2-65 844.01Rear scan module output level error 844.02Front scan module lamp level too low Front Mono channel, Front Color channels, Front Red channel, Front Green channel, and/or Front Blue channel is detected to have low lamp level. Go to “CCD service check” on page 2-65 844.03Rear scan module lamp level too low Rear Mono channel, Rear Color channels, Rear Red channel, Rear Green channel, and/or Rear Blue channel is detected to have low lamp level. Go to “CCD service check” on page 2-65 845.yyScanner Failure CCD failure Go to “CCD service check” on page 2-65 Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
2-20Service Manual 7525xxxLexmark confidential until announce 845Front scan module cable failure or SCC card failureCCD channel failure. Check each channel(mono, R, G, B) for identical values indicating bad cable and/or SCC card. Excessive noise test for the dark data indicating some sort of CCD or analog electronics issue on that channel or channels. Go to “CCD service check” on page 2-65 845.01Rear scan module cable failure or SCC card failureCCD channel failure. Check each channel(mono, R, G, B) for identical values indicating bad cable and/or SCC card. Excessive noise test for the dark data indicating some sort of CCD or analog electronics issue on that channel or channels. Go to “CCD service check” on page 2-65 845.02Cable / SCC Failure Front scan module connector or cable fail ur e Go to “CCD service check” on page 2-65 845.03Cable / SCC Failure Rear scan module connector or cable fail ur e Go to “CCD service check” on page 2-65 845.04Cable Failure The connector cable is defective. Go to “CCD service check” on page 2-65. 846Front calibration strip unusable Go to “CCD service check” on page 2-65 846.01Rear calibration strip unusable 846.02Front calibration strip too far left The font calibration strip is placed to high or to low. Go to “CCD service check” on page 2-65 846.03Front calibration strip too far right Go to “CCD service check” on page 2-65. 846.04Front calibration strip has excessive skew 846.05Front calibration strip has excessive bow 846.06Front calibration strip has excessive dark areaFront excessive variability for Mono, Red, Green, or Blue. Go to “CCD service check” on page 2-65 846.07Front magnification exceeds limits Rear excessive variability for Mono, Red, Green, or Blue. Go to “CCD service check” on page 2-65 847Modem Failure The Configuration ID bit that describes the device’s modem doesn’t match the actual modem installed in the device. Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
Diagnostic information2-21 Lexmark confidential until announce7525xxx 847.01Fax Storage The amount of flash storage available on the device is too small. Note: The NAND Flash par tition can shrink as bit failures cause blocks to be invalidated. Go to “Format Fax Storage” on page 3-34. If the issue is not fixed, replace the controller board. Go to “Controller board removal” on page 4-16. 847.02Fax Storage The devices’ flash partition is invalid or unavailable. Go to “Format Fax Storage” on page 3-34. If the issue is not fixed, replace the controller board. Go to “Controller board removal” on page 4-16. 848Modem/Config ID Mismatch A device doesn’t have a modem installed, even though its Configuration ID indicates that a modem should be present. 848.01Modem/Config ID Mismatch A device has a modem installed, but its Configuration ID indicates that a modem shouldn’t be present. 849HD/Config ID Mismatch A device doesn’t have a hard drive installed, even though its Configuration ID indicates that a hard drive should be present. 849.01HD/Config ID Mismatch A device has a hard drive installed, but its Configuration ID indicates that a hard drive shouldn’t be present. 9xx service errors 900.xx Ser vice RIP SoftwareUnrecoverable RIP software error/ illegal trap.Go to “90x.xx error” on page 2-32. 902.xx Ser vice Engine SoftwareA general engine software error. Go to “90x.xx error” on page 2-32 903.xx Ser vice Engine SoftwareA paperport link driver error. Go to “90x.xx error” on page 2-32 904.xx Ser vice Engine SoftwareAn interface violation by RIP. Go to “90x.xx error” on page 2-32 905.xx Ser vice Engine SoftwareAn interface violation by paperport device.Go to “90x.xx error” on page 2-32 906.xx Ser vice Engine SoftwareA RIP interface driver error. Go to “90x.xx error” on page 2-32 910.xx Ser vice DC Pick MotorThe DC pick motor stalled. Go to “Autocompensator mechanism service check” on page 2-35. 911.xx Ser vice DC Pick MotorThe DC pick motor has excessive PWM.Go to “Autocompensator mechanism service check” on page 2-35 912.xx Ser vice DC Pick MotorThe DC pick motor is below speed. Go to “Autocompensator mechanism service check” on page 2-35 913.xx Ser vice DC Pick MotorThe DC pick motor over speed. Go to “Autocompensator mechanism service check” on page 2-35 Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
2-22Service Manual 7525xxxLexmark confidential until announce 914.xx Ser vice PC Pick MotorThe DC pick has no encoder feedback. Go to “Autocompensator mechanism service check” on page 2-35 917.xx Ser vice Transfer RollThere is a problem with the transfer roll.Go to Go to “Transfer roll service check” on page 2-61. 920.xx Ser vice Fuser ErrorThe fuser is below temperature when printing.Go to “920.xx–923.xx—Fuser temperature incorrect” on page 2-32. 921.xx Ser vice Fuser ErrorThe fuser is below standby temperature when idle.Go to “920.xx–923.xx—Fuser temperature incorrect” on page 2-32 922.xx Ser vice Fuser ErrorThe fuser failed to reach standby temperature.Go to “920.xx–923.xx—Fuser temperature incorrect” on page 2-32 923.xx Ser vice Fuser ErrorThe fuser is too hot during printing or when the printer is idle.Go to “920.xx–923.xx—Fuser temperature incorrect” on page 2-32 924.xx Ser vice Fuser ErrorAn open circuit in the connection to the fuser thermistor has been detected.Go to “920.xx–923.xx—Fuser temperature incorrect” on page 2-32 925.xx Ser vice Fuser ErrorWrong fuser lamp is installed. The fuser type stored in the Cartridge ID doesn’t match the actual fuser installed in the printer.Go to “920.xx–923.xx—Fuser temperature incorrect” on page 2-32 927.xx Ser vice Fa n S ta ll edThe printer fan is stalled. 929.xx Ser vice Toner SensorThe printer doesnt register a transition on the toner sensor for a set period of time. Either the printers toner sensor is faulty or its print cartridge is defective. The Servicer should follow these steps to resolve this problem: 1. Use the base sensor test in Diagnostics mode to inspect the toner sensors operation. 2. If the toner sensor is operating correctly, then the problem is the print cartridge. 930.xx Ser vice Printhead ErrorThe wrong printhead is installed. Go to “930.xx–935.xx—Printhead errors service check” on page 2-34. 931.xx Ser vice Printhead ErrorThere is no first HSYNC. Go to “930.xx–935.xx—Printhead errors service check” on page 2-34 932.xx Ser vice Printhead ErrorLost HSYNCs. Go to “930.xx–935.xx—Printhead errors service check” on page 2-34 933.xx Ser vice Printhead ErrorMirror motor is locked. No HSYNC received.Go to “930.xx–935.xx—Printhead errors service check” on page 2-34 935.xx Ser vice Printhead ErrorMirror motor is unable to reach operating speed.Go to “930.xx–935.xx—Printhead errors service check” on page 2-34 936.xx Ser vice Transport MotorThe transport motor had an initial lock failure.Go to “936.xx, 937.xx—Transport motor service check” on page 2-34. 937.xx Ser vice Transport MotorThe transport motor lost lock. Go to “936.xx, 937.xx—Transport motor service check” on page 2-34 Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
Diagnostic information2-23 Lexmark confidential until announce7525xxx 940.xx Ser vice LV Power SupplyA RIP to engine communication failure. The zero crossing signal used for fuser control in the low-voltage (LV) power supply has failed, or the wrong low- voltage power supply has been installed. 940.00 Service Cyan TMC SensorThe cyan cartridge toner meter cycle (TMC) switch error. 940.00 Service Magenta TMC SensorThe magenta cartridge toner meter cycle (TMC) switch error. 940.00 Service Yellow TMC SensorThe yellow cartridge toner meter cycle (TMC) switch error. 940.00 Service Black TMC SensorThe black cartridge toner meter cycle (TMC) switch error. 948.xx Ser vice Engine CardThe pel clock check failed. If this error message persists, replace the controller board. See “Controller board removal” on page 4-16. 949.xx Ser vice Engine CardDelay line calibration failure If this error message persists, replace the controller board. See “Controller board removal” on page 4-16. 950.xx Ser vice NVRAM FailureThere is a mismatch between controller EEPROM and mirror. 950.00 through 950.29 codes: mismatch between controller and mirror 950.30 through 950.60 codes: mismatch between secure and controllerGo to “950.xx EPROM mismatch failure service check” on page 2-35. 951.xx Ser vice NVRAM FailureMismatch between controller EEPROM and mirror. 951.00 through 951.29 codes: mismatch between controller and mirror 951.30 through 951.60: mismatch between secure and controller 952.xx Ser vice NVRAM FailureA recoverable MVRAM Cyclic Redundancy Check (CRC) error occurred. n is the offset at which the error occurred. Performing a POR will clear this error. 953.xx Ser vice NVRAM FailureNVRAM chip failure with mirror. 954.xx Ser vice NVRAM FailureThe NVRAM chip failure with controller part. Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
2-24Service Manual 7525xxxLexmark confidential until announce 955.xx Ser vice Code CRC The Code ROM or NAND flash failed the Cyclic Redundancy Check (CRC) check or the NAND experienced an uncorrectible multi-bit failure. indicates the source of the failure and has one of the following values: CRC Failure: The source is a failing package indicated by Pn where n is the package number. This error could occur on a controller with ROM or NAND flash and could occur as a result of the CRC check done when the machine is powered on. The range of package numbers is from 0 to 15. Error Correction Code (ECC) Failure: The source is a failing page indicated by Bn where n is the page number. This error occurs only if a multi-bit failure is detected during the ECC execution. Single bit failures will be corrected automatically and will not result in a service error. The range of page numbers is from 0 to 1023. 956.00 Service System BoardController board failure. Processor failure.Replace conrtroller board. See“Controller board removal” on page 4-16. 956.01 Service System BoardProcessor over temperature. 957.xx Ser vice System BoardController board failure. ASIC failure. 958.xx Ser vice NAND FailurePrinter has performed more than 100 “shift and reflash” operations as a result of ECC bit corrections. 959.01 Service Invalid FirmwareController verification failure of pensive boot code Update firmware or replace controller board. See“Controller board removal” on page 4-16. 959.02 Service Invalid FirmwareFailure to authenticate Signature Verification Code. Update firmware or replace controller board. See“Controller board removal” on page 4-16. 959.03 Service Invalid FirmwareSignature verification Code failure to authenticate a code partition.Update firmware or replace controller board. See“Controller board removal” on page 4-16. 959.04 Service Invalid FirmwareJump to unverified address. Update firmware or replace controller board. See“Controller board removal” on page 4-16. 959.05 Service Invalid FirmwareUnknown Boot Failure. Update firmware or replace controller board. See“Controller board removal” on page 4-16. 959.20 Service System BoardHardware control hardware failure. Replace controller board. See“Controller board removal” on page 4-16. 959.21 Service System BoardHardware control did not respond to command request.Replace controller board. Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
Diagnostic information2-25 Lexmark confidential until announce7525xxx 959.22 Service System BoardChallenge Secret Failure. ASIC/SP mismatch Replace controller board. See“Controller board removal” on page 4-16. 959.23 Service System BoardHardware control self test failure during initialization.Replace controller board. See“Controller board removal” on page 4-16. 959.24 Service System BoardEEPROM Retention Error (write failure) Replace controller board. See“Controller board removal” on page 4-16. 959.25 Service System BoardInsufficient device space during hardware programming. Replace controller board. See“Controller board removal” on page 4-16. 959.26 Service System BoardIncremental counter reset exceeds maximum value.Replace controller board. See“Controller board removal” on page 4-16. 959.27 Service System BoardIncrement count failed due to maximum value limit.Replace controller board. See“Controller board removal” on page 4-16. 959.28 Service System BoardInvalid SP memory configuration. Replace controller board. See“Controller board removal” on page 4-16. 960.xx Ser vice Memory ErrorRAM memory error: RAM soldered on the board is bad.Replace controller board. See“Controller board removal” on page 4-16. 961.xx Ser vice Memory FailureRAM memory error: slot 1 RAM is bad. Check RAM. If RAM is ok, replace the controller. See“Controller board removal” on page 4-16. 962.xx Ser vice Memory FailureRAM memory error: slot 2 RAM is bad. Check RAM. If RAM is ok, replace the controller. See“Controller board removal” on page 4-16. 963.xx Ser vice Memory ErrorRAM memory err 964.xx Ser vice Emulation ErrorDownload emulation cyclic redundancy check (CRC) failure has occurred. A checksum failure detected in the emulation header or emulation file. The following actions may be taken: 1. Disable the Download Emulation. 2. Program the download emulation into the code overlay SIMM again. 3. If the problem is not resolved replace the code overlay SIMM, and download emulation again. 975.xx Ser vice Standard Network or 975.xx Ser vice Network Card xNetwork error: unrecognizable network port. Replace the standard network card or the card in the specified slot. 976.xx Ser vice Standard Network or 976.xx Ser vice Network Card xUnrecoverable software or error in network or network port. If unable to clear the error message, check the following: If installed, check network card for correct installation. If correctly installed, replace the network card. If a network card is not installed, replace the controller board. Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action
2-26Service Manual 7525xxxLexmark confidential until announce 978.xx Ser vice Standard Network or 978.xx Ser vice Network Card xBad checksum while programming network port.Check the following: Make sure you have downloaded the code in binary mode, not ASCII. Reprogram the Network card. If the problem persists, and if installed, check the network card for correct installation. If correctly installed, replace the network card. If a network card is not installed, replace the controller board. 979.xx Ser vice Standard Network or 979.xx Service Network Card xFlash parts failed while programming the network portCheck the following: If installed, check the network card for correct installation. If correctly installed, replace the network card. If a network card is not installed, replace the controller board. 980.xx Ser vice Comm.Engine is experiencing unreliable communications with the specified device. Note: can be one of the following: Duplex unit. 981.xx Ser vice Comm.Engine protocol violation detected by the specified device. Note: can be one of the following: Duplex unit. 982.xx Ser vice Comm.Communications error detected by the specified device. Note: can be one of the following: Duplex unit. 983.xx Ser vice Comm.Invalid command received by the specified device. Note: can be one of the following: Duplex unit. 984.xx Ser vice Comm.Invalid command parameter received by the specified device. Note: can be one of the following: Duplex unit. Service error messages (1XX, 8XX and 9xx) (continued) Error code Description Action