3-31
Confidential
■ Error code 73
Recording ASIC read/write error
■ Error code 74 (This error can be found out only in “Function code 82”.)
Toner of the color which is being used reaches the end of life while printing.
(The counter value of the develop roller reaches the end of life, or the toner sensor detects
toner empty.) This error is not recorded in the error log.
Error code 87
Toner of the color which is being used reaches the end of life when implementing adjustment
of color density from the control panel cover ASSY. (The counter value of the develop roller
reaches the end of life, or the toner sensor detects toner empty.)
Error code 9E
Toner of the color which is being used reaches the end of life when implementing adjustment
of color registration from the control panel cover ASSY. (The counter value of the develop
roller reaches the end of life, or the toner sensor detects toner empty.)
<User Check>
- If any of the toner cartridges reaches the end of life, replace it with a new one.
Print Unable 73
Turn the power off and then back on again.
Step Cause Remedy
1 Harness connection failure of
LED head control PCB ASSY
Check the harness connection between
the main PCB ASSY and LED head
control PCB ASSY, and reconnect them.
2 LED head control PCB failure Replace the LED head control PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Replace Toner
Open the Top Cover, replace Toner Cartridge. #
Calibrate
Calibration failed. Insufficient Toner for Calibration.
Registration
Registration failed. Insufficient Toner for Registration.
Step Cause Remedy
1 Toner/new sensor PCB failure Check the sensor performance following
the procedure described in “Function code
32”. If any problem occurs, replace the
toner/new sensor PCB ASSY.
2 Engine PCB failure Replace the engine PCB ASSY.
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