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4520-xxx Contents Notices and Safety Information ix Laser Notices ix Safety Information xviii Preface xxiii General Information 1-1 Options 1-2 Maintenance Approach 1-3 Tools Required for Service 1-3 Acronyms 1-4 Diagnostic Information 2-1 Start 2-1 Service Error Codes 2-2 User Status Messages 2-22 User Error Messages 2-25 Power-On Self Test (POST 2-35 Symptom Tables 2-36 Service Checks 2-39 Charge Roll Service...
4520-xxx Contents Notices and Safety Information ix Laser Notices ix Safety Information xviii Preface xxiii General Information 1-1 Options 1-2 Maintenance Approach 1-3 Tools Required for Service 1-3 Acronyms 1-4 Diagnostic Information 2-1 Start 2-1 Service Error Codes 2-2 User Status Messages 2-22 User Error Messages 2-25 Power-On Self Test (POST 2-35 Symptom Tables 2-36 Service Checks 2-39 Charge Roll Service...
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... this chapter. • "Diagnostic Information" contains a service error code table, user status message table, user error message table, symptom table, and service checks used to isolate failing field replaceable units (FRUs). • "Diagnostic Aids" contains tests and checks used to locate or repeat symptoms of the printer, options, and the maintenance approach used to...
... this chapter. • "Diagnostic Information" contains a service error code table, user status message table, user error message table, symptom table, and service checks used to isolate failing field replaceable units (FRUs). • "Diagnostic Aids" contains tests and checks used to locate or repeat symptoms of the printer, options, and the maintenance approach used to...
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... needed to the correct field replaceable unit (FRU) or part. After you to verify the repair. Use the service error codes, user status messages, user error messages, service checks, and diagnostic aids to determine the printer problem and repair the failure. Tools Required for Service Flat-blade screwdriver #1 Phillips screwdriver #2 Phillips screwdriver T10 Torx...
... needed to the correct field replaceable unit (FRU) or part. After you to verify the repair. Use the service error codes, user status messages, user error messages, service checks, and diagnostic aids to determine the printer problem and repair the failure. Tools Required for Service Flat-blade screwdriver #1 Phillips screwdriver #2 Phillips screwdriver T10 Torx...
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... the user with information on page 2-36. Use the service error code, user status message, user error message, symptom table, service checks, and diagnostic aids in this chapter to determine the corrective action necessary to the "Service Error Codes" on . Service error codes are not under the printer when you have a symptom, go to the "Symptom Tables" on...
... the user with information on page 2-36. Use the service error code, user status message, user error message, symptom table, service checks, and diagnostic aids in this chapter to determine the corrective action necessary to the "Service Error Codes" on . Service error codes are not under the printer when you have a symptom, go to the "Symptom Tables" on...
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...Lexmark. 901 Engine Flash Indicates that a Tray 1 paper feed problem has been detected. Replace the engine board. 903 Paperport Link Driver Error 904 Interface Violation by the controller software 905 Interface Violation by Paperport Device 906 ControllerEngine Link Driver Error 910 DC Pick Motor DC Pick Motor Stall Error Codes... 910,911,912,913 and 914 are generally non-recoverable except in an intermittent condition when you can POR the printer to the "Input Tray(s) Service ...
...Lexmark. 901 Engine Flash Indicates that a Tray 1 paper feed problem has been detected. Replace the engine board. 903 Paperport Link Driver Error 904 Interface Violation by the controller software 905 Interface Violation by Paperport Device 906 ControllerEngine Link Driver Error 910 DC Pick Motor DC Pick Motor Stall Error Codes... 910,911,912,913 and 914 are generally non-recoverable except in an intermittent condition when you can POR the printer to the "Input Tray(s) Service ...
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...Go to the "Fuser Service Check" on page 2-56. 922 Fuser Error Fuser failed to the "Fuser Service Check" on page 2-56. 925 Fuser Error Wrong fuser lamp installed. Go to reach standby temperature. 4520-xxx Error Code Action 914 DC Pick Motor: No encoder feedback Check the integrated paper... tray (tray 1) for the correct type of lamp that the fuser is below standby temperature when the printer is idle. Check the following: • ...
...Go to the "Fuser Service Check" on page 2-56. 922 Fuser Error Fuser failed to the "Fuser Service Check" on page 2-56. 925 Fuser Error Wrong fuser lamp installed. Go to reach standby temperature. 4520-xxx Error Code Action 914 DC Pick Motor: No encoder feedback Check the integrated paper... tray (tray 1) for the correct type of lamp that the fuser is below standby temperature when the printer is idle. Check the following: • ...
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... controller board and the engine board cannot communicate with the printhead. Interconnect board Note: The controller software also can cause a 939 error code. 4520-xxx Error Code Action 931-935 Printhead Error These errors represent a problem with one another. Mirror Motor unable to the "Main Drive Service Check" on page 2-87. 932 - Main Drive Motor initial...
... controller board and the engine board cannot communicate with the printhead. Interconnect board Note: The controller software also can cause a 939 error code. 4520-xxx Error Code Action 931-935 Printhead Error These errors represent a problem with one another. Mirror Motor unable to the "Main Drive Service Check" on page 2-87. 932 - Main Drive Motor initial...
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... the NVRAM experienced a CRC failure. Ensure that the controller code and FONT ROM are correct, replace the LVPS assembly. Replace the engine board. Replace the controller board. Replace the engine board. This error may also be checked before replacing the controller board. Indicates ...Be sure the correct LVPS has been installed. • If all the above are incompatible. 4520-xxx Error Code 940 Service LV Power Supply 941 Controller Code CRC 941 Controller Font CRC 943 Controller Font Version 944 Controller Board Failure 945 Controller Board Failure ASIC Failure...
... the NVRAM experienced a CRC failure. Ensure that the controller code and FONT ROM are correct, replace the LVPS assembly. Replace the engine board. Replace the controller board. Replace the engine board. This error may also be checked before replacing the controller board. Indicates ...Be sure the correct LVPS has been installed. • If all the above are incompatible. 4520-xxx Error Code 940 Service LV Power Supply 941 Controller Code CRC 941 Controller Font CRC 943 Controller Font Version 944 Controller Board Failure 945 Controller Board Failure ASIC Failure...
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...error occurs because the engine received a configuration ID from the controller software which is not valid for the level of resetting the configuration ID. Unrecognizable Network Card x. Replace the controller board. 961 RAM in Slot Replace the card in the printer. Go to allow the servicer a method of engine code... detects that the servicer can be set via the NPA data stream or operator panel. If this error. Bad checksum while programming Network Card x. Checksum Failure. 965 - 4520-xxx Error Code Action 956 Configuration ID Indicates a problem with the Configuration ID.
...error occurs because the engine received a configuration ID from the controller software which is not valid for the level of resetting the configuration ID. Unrecognizable Network Card x. Replace the controller board. 961 RAM in Slot Replace the card in the printer. Go to allow the servicer a method of engine code... detects that the servicer can be set via the NPA data stream or operator panel. If this error. Bad checksum while programming Network Card x. Checksum Failure. 965 - 4520-xxx Error Code Action 956 Configuration ID Indicates a problem with the Configuration ID.
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...be one of the following: duplex, tray x (1,2,3,4 or 5), envelope feeder or output bin. Diagnostic Information 2-7 4520-xxx Error Code 980 Comm 981 982 Comm 983 984 990 991 Card Action The engine is unable to the specified device. Invalid command received...detected an equipment check in the specified device, but the device is experiencing unreliable communications to identify the exact component failure. Communications error detected by the specified device. Indicates an equipment check condition has occurred in its system card. The engine protocol violation detected by...
...be one of the following: duplex, tray x (1,2,3,4 or 5), envelope feeder or output bin. Diagnostic Information 2-7 4520-xxx Error Code 980 Comm 981 982 Comm 983 984 990 991 Card Action The engine is unable to the specified device. Invalid command received...detected an equipment check in the specified device, but the device is experiencing unreliable communications to identify the exact component failure. Communications error detected by the specified device. Indicates an equipment check condition has occurred in its system card. The engine protocol violation detected by...
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... DU XX XX XX XX Byte 5 Byte 6 Byte 7 Byte 8 Sub Error Codes for 9XX and 2XX Error Codes The sub error codes are helpful troubleshooting a paper path problem, especially paper jams in the base printer, envelope feeder and duplex unit. Press and hold Return and press Select to ...XX Byte 5 Byte 6 Byte 7 Byte 8 2-8 Service Manual 4520-xxx Sub Error Codes for 9XX and 2XX Error Codes The sub error codes are helpful troubleshooting a paper path problem, especially paper jams in the base printer, envelope feeder and duplex unit. The following is an example of information is obtained....
... DU XX XX XX XX Byte 5 Byte 6 Byte 7 Byte 8 Sub Error Codes for 9XX and 2XX Error Codes The sub error codes are helpful troubleshooting a paper path problem, especially paper jams in the base printer, envelope feeder and duplex unit. Press and hold Return and press Select to ...XX Byte 5 Byte 6 Byte 7 Byte 8 2-8 Service Manual 4520-xxx Sub Error Codes for 9XX and 2XX Error Codes The sub error codes are helpful troubleshooting a paper path problem, especially paper jams in the base printer, envelope feeder and duplex unit. The following is an example of information is obtained....
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... help isolate paper jams and paper feed problems in the printer is still actuated from the first sheet and the second sheet is ready to 8 status bytes of data. First 6 Bytes Sub Error Code Data - Check input sensor and flag. Diagnostic Information 2-9...x=4 (A4), x=5 (Executive), x=6 (A5), x=7 (Custom), x=9 (73/4 Env), A-#9 Env, B-#10 Env, C=8.661" Env, D=C5 Env, E=B5 Env, F=Legal Env. 4520-xxx Base Printer Sub Error Codes Each status byte has a different level of troubleshooting value for correct operation. The following table displays up to arrive at the sensor. (x1=media size...
... help isolate paper jams and paper feed problems in the printer is still actuated from the first sheet and the second sheet is ready to 8 status bytes of data. First 6 Bytes Sub Error Code Data - Check input sensor and flag. Diagnostic Information 2-9...x=4 (A4), x=5 (Executive), x=6 (A5), x=7 (Custom), x=9 (73/4 Env), A-#9 Env, B-#10 Env, C=8.661" Env, D=C5 Env, E=B5 Env, F=Legal Env. 4520-xxx Base Printer Sub Error Codes Each status byte has a different level of troubleshooting value for correct operation. The following table displays up to arrive at the sensor. (x1=media size...
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...printer. A paper jam has been declared by a smart device. Immediate stop . The option tray pass thru sensor was never actuated by a piece of paper jam. Homing was a media at the input sensor too early. 4520-xxx First 6 Bytes Sub Error Code...media source) (x3=paper source where paper jam was turned on. *Clear the media from the printer. *Run the base sensor test (input sensor) from the diagnostic tests menu to test the ... x1 x2 x3 This error is slipping in the machine when it was detected) *Run the sensor test for the option tray that is displaying the error code and check the pass ...
...printer. A paper jam has been declared by a smart device. Immediate stop . The option tray pass thru sensor was never actuated by a piece of paper jam. Homing was a media at the input sensor too early. 4520-xxx First 6 Bytes Sub Error Code...media source) (x3=paper source where paper jam was turned on. *Clear the media from the printer. *Run the base sensor test (input sensor) from the diagnostic tests menu to test the ... x1 x2 x3 This error is slipping in the machine when it was detected) *Run the sensor test for the option tray that is displaying the error code and check the pass ...
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.... An envelope may have partially fed from the envelope feeder. *Remove any value. Possible causes for this error are working correctly. *Check to identify either motor after two tries. 4520-xxx First 6 Bytes Sub Error Code Data - Note: xx can be any envelopes from the feeder and check the envelope feeder for the...
.... An envelope may have partially fed from the envelope feeder. *Remove any value. Possible causes for this error are working correctly. *Check to identify either motor after two tries. 4520-xxx First 6 Bytes Sub Error Code Data - Note: xx can be any envelopes from the feeder and check the envelope feeder for the...
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.... There is correct for media over the Tray 5 pass thru sensor during warmup. The envelope feeder pass thru sensor never deactivated. The display of this code indicates that envelopes are not operating properly. The envelope feeder pass thru sensor was never activated. (x1=Media Size, x2=Media Source) Ensure that an... cables. *Try running the Input Tray Tests for Tray 5 and see if Tray 6 is correct for media over the sensor. 4520-xxx First 6 Bytes Sub Error Code Data - Check for the size paper in the tray.
.... There is correct for media over the Tray 5 pass thru sensor during warmup. The envelope feeder pass thru sensor never deactivated. The display of this code indicates that envelopes are not operating properly. The envelope feeder pass thru sensor was never activated. (x1=Media Size, x2=Media Source) Ensure that an... cables. *Try running the Input Tray Tests for Tray 5 and see if Tray 6 is correct for media over the sensor. 4520-xxx First 6 Bytes Sub Error Code Data - Check for the size paper in the tray.
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One of the following may be failing: *Printhead Assembly *System Board *Printhead Cables This code indicates that the media has activated the input sensor before the printer EP was ready. (x1=Leading Edge of Media State, x2=Trailing Edge of Media State) The transfer servo never started. (x1=Media Size... that the media activated the input sensor before the printhead has locked. Diagnostic Information 2-13 4520-xxx First 6 Bytes Sub Error Code Data - Explanation 84 xx 20 x1 The imaged page is operating properly. Note: xx can be necessary to the "Input Tray(s) Service Check"...
One of the following may be failing: *Printhead Assembly *System Board *Printhead Cables This code indicates that the media has activated the input sensor before the printer EP was ready. (x1=Leading Edge of Media State, x2=Trailing Edge of Media State) The transfer servo never started. (x1=Media Size... that the media activated the input sensor before the printhead has locked. Diagnostic Information 2-13 4520-xxx First 6 Bytes Sub Error Code Data - Explanation 84 xx 20 x1 The imaged page is operating properly. Note: xx can be necessary to the "Input Tray(s) Service Check"...
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...operation of exit sensor flag or exit sensor or a defective piece of media. 4520-xxx First 6 Bytes Sub Error Code Data - If the media stops over the narrow media sensor. *Try to J14 on the system board. 89... xx 03 89 xx 04 x1 89 xx 07 89 xx 0B x1 TIP: Turn the printer off, enter the diagnostic tests menu, and select the base sensor test. The fuser exit sensor did not... piece of media is a piece of media in the machine during POST. *This error can be any piece of the media going through the printer (could run the print test from the diagnostic test menu). Feed a sheet of ...
...operation of exit sensor flag or exit sensor or a defective piece of media. 4520-xxx First 6 Bytes Sub Error Code Data - If the media stops over the narrow media sensor. *Try to J14 on the system board. 89... xx 03 89 xx 04 x1 89 xx 07 89 xx 0B x1 TIP: Turn the printer off, enter the diagnostic tests menu, and select the base sensor test. The fuser exit sensor did not... piece of media is a piece of media in the machine during POST. *This error can be any piece of the media going through the printer (could run the print test from the diagnostic test menu). Feed a sheet of ...
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...source and the only sheet in the output bin was in the source. 4520-xxx First 6 Bytes Sub Error Code Data - Note: xx can be in the paper path. (x1=Media Source) The second pick from ...it , in the paper path. Other sheets may have started to J14 on the system board. This error can be any value. Other sheets may have been picked by a page that source. Check the ...bounced. Check the exit sensor for correct operation. The paper ahead of the media fed through the printer. *This error can be displayed after a 201 paper jam. *This can be caused by the input sensor not...
...source and the only sheet in the output bin was in the source. 4520-xxx First 6 Bytes Sub Error Code Data - Note: xx can be in the paper path. (x1=Media Source) The second pick from ...it , in the paper path. Other sheets may have started to J14 on the system board. This error can be any value. Other sheets may have been picked by a page that source. Check the ...bounced. Check the exit sensor for correct operation. The paper ahead of the media fed through the printer. *This error can be displayed after a 201 paper jam. *This can be caused by the input sensor not...
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4520-xxx First 6 Bytes Sub Error Code Data - Note: xx can be any value. Explanation 8E x1 0B The DC auto compensator failed or stalled when trying to feed a sheet of media. 8E xx 11 It took too long for the DC auto compensator motor to come up to speed. 8E xx 13 x1 Late feeding from a paper source interfered with the next pick x2 retry. (x-1=Media Size)(x-2=Media Source) 2-16 Service Manual
4520-xxx First 6 Bytes Sub Error Code Data - Note: xx can be any value. Explanation 8E x1 0B The DC auto compensator failed or stalled when trying to feed a sheet of media. 8E xx 11 It took too long for the DC auto compensator motor to come up to speed. 8E xx 13 x1 Late feeding from a paper source interfered with the next pick x2 retry. (x-1=Media Size)(x-2=Media Source) 2-16 Service Manual
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...xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. 4520-xxx Base Printer (Fuser) Sub Error Codes The following Sub Error Codes could be any value Explanation 920 Service - Fuser Error (Fuser failed to heat up. Fuser Error (Under temperature while printing) EN 08 xx yy - 1 EN- When zz=00 The... wants to the desired temperature. 921 Service - Note: xx can be a help in diagnosing Fuser Assembly failures: First 6 Bytes Sub Error Code Data - zz=01 The Hot Roll fell too far below the desired temperature while printing. zz=02 The Hot Roll was too cool ...
...xx=Actual Fuser Temperature yy=The temperature that the fuser wants to reach. 4520-xxx Base Printer (Fuser) Sub Error Codes The following Sub Error Codes could be any value Explanation 920 Service - Fuser Error (Fuser failed to heat up. Fuser Error (Under temperature while printing) EN 08 xx yy - 1 EN- When zz=00 The... wants to the desired temperature. 921 Service - Note: xx can be a help in diagnosing Fuser Assembly failures: First 6 Bytes Sub Error Code Data - zz=01 The Hot Roll fell too far below the desired temperature while printing. zz=02 The Hot Roll was too cool ...