Technical Reference
Page 123
... on page 3-19. • LPARM:PCL is used with variables specific to the host computer when asynchronous events occur, such as a memory error or a paper jam. In addition, the printer can request configuration and status information from the printer using the Status Readback commands. DINQUIRE Command ...This command is used to query the default setting (NVRAM) of PJL variable to be instructed to send unsolicited status information back to PCL emulation. (See the tables "Common Variables for ...
... on page 3-19. • LPARM:PCL is used with variables specific to the host computer when asynchronous events occur, such as a memory error or a paper jam. In addition, the printer can request configuration and status information from the printer using the Status Readback commands. DINQUIRE Command ...This command is used to query the default setting (NVRAM) of PJL variable to be instructed to send unsolicited status information back to PCL emulation. (See the tables "Common Variables for ...
Service Manual
Page 33
Replace the system board. 953 - 954 NVRAM Failure System board failures. 953 NVRAM Chip Failure 954 NVRAM CRC Failure Replace system board. 955 Code CRC Code ROM and NAND failed CRC check * = For a ROM CRC failure, the location (loc) will be a failing ... Power Supply The low voltage power supply zero crossover test failed. • Check the LVPS for correct installation. Replace the system board. 948 PEL Clock Error Indicates the PEL clock check failed. Diagnostic Information 2-5 Ensure that the PQET RAM test was incomplete or a PQET RAM test busy failure occurred.
Replace the system board. 953 - 954 NVRAM Failure System board failures. 953 NVRAM Chip Failure 954 NVRAM CRC Failure Replace system board. 955 Code CRC Code ROM and NAND failed CRC check * = For a ROM CRC failure, the location (loc) will be a failing ... Power Supply The low voltage power supply zero crossover test failed. • Check the LVPS for correct installation. Replace the system board. 948 PEL Clock Error Indicates the PEL clock check failed. Diagnostic Information 2-5 Ensure that the PQET RAM test was incomplete or a PQET RAM test busy failure occurred.
Service Manual
Page 47
...) Note: The Sub Error Codes below are only for an incorrect lamp being installed. yy=Actual Temperature zz=The temperature that the fuser was trying to do lamp detection and NVRAM detected a previous wrong lamp detected. Envelope Feeder Sub Error Codes First 6 Bytes Sub Error Code Data - EN ...07 xx yy zz 1 EN -- -- -- 2 This error code is generated anytime an incorrect lamp is an envelope in the...
...) Note: The Sub Error Codes below are only for an incorrect lamp being installed. yy=Actual Temperature zz=The temperature that the fuser was trying to do lamp detection and NVRAM detected a previous wrong lamp detected. Envelope Feeder Sub Error Codes First 6 Bytes Sub Error Code Data - EN ...07 xx yy zz 1 EN -- -- -- 2 This error code is generated anytime an incorrect lamp is an envelope in the...
Service Manual
Page 61
...31 Defective Print Cartridge 32 Unsupported Print Cartridge 34 Short Paper User Message Secondary Explanation Error code 31 is displayed when the top front cover is closed and an unsupported print cartridge is stored in NVRAM. To pass the verification test, the ID read from the print cartridge must ... printer 10-20 seconds to determine if the print cartridge is too short to print pages during this 10-20 second interval. If this error occurs if the paper stop is inserted. The printer determines the paper length is defective. For auto-size sensing trays, this does not...
...31 Defective Print Cartridge 32 Unsupported Print Cartridge 34 Short Paper User Message Secondary Explanation Error code 31 is displayed when the top front cover is closed and an unsupported print cartridge is stored in NVRAM. To pass the verification test, the ID read from the print cartridge must ... printer 10-20 seconds to determine if the print cartridge is too short to print pages during this 10-20 second interval. If this error occurs if the paper stop is inserted. The printer determines the paper length is defective. For auto-size sensing trays, this does not...
Service Manual
Page 74
... entries that help to isolate a problem to a particular area of the printer or option. • Paper feed problems with error message: Use the "Sub Error Codes for 9XX and 2XX Error Codes" on page 2-8 to help diagnose the problem. • Print quality problems: Go to "Print Quality Test Pages" ... options. 2-46 Service Manual 4069-5XX/7XX Service Checks Note: Anytime the system board is replaced, the Configuration ID must be reset in NVRAM on the printer. • Use the resident diagnostics test provided to help diagnose problems before taking the machine apart or removing any settings or...
... entries that help to isolate a problem to a particular area of the printer or option. • Paper feed problems with error message: Use the "Sub Error Codes for 9XX and 2XX Error Codes" on page 2-8 to help diagnose the problem. • Print quality problems: Go to "Print Quality Test Pages" ... options. 2-46 Service Manual 4069-5XX/7XX Service Checks Note: Anytime the system board is replaced, the Configuration ID must be reset in NVRAM on the printer. • Use the resident diagnostics test provided to help diagnose problems before taking the machine apart or removing any settings or...
Service Manual
Page 201
To run the Print Quality Test Pages: 1. If you want more than one copy of the Error Log Diagnostic Aids 3-35 Page 1 of the Print Quality Test pages contains: Printer Information: • Page Count, ...PictureGrade™ and IET Type EP Settings: • Fuser Temperature, Warm Up Time, Transfer, Print Contrast, Charge Roll and Gap Adjustment Error Log: • Prints the contents of the Three Test pages. Release the buttons once Performing the Self Test displays. 5. The printer ... Turn the printer off. 2. 4069-5XX/7XX machine class ID matching the machine class ID stored in NVRAM.
To run the Print Quality Test Pages: 1. If you want more than one copy of the Error Log Diagnostic Aids 3-35 Page 1 of the Print Quality Test pages contains: Printer Information: • Page Count, ...PictureGrade™ and IET Type EP Settings: • Fuser Temperature, Warm Up Time, Transfer, Print Contrast, Charge Roll and Gap Adjustment Error Log: • Prints the contents of the Three Test pages. Release the buttons once Performing the Self Test displays. 5. The printer ... Turn the printer off. 2. 4069-5XX/7XX machine class ID matching the machine class ID stored in NVRAM.