Chapter 4 Troubleshooting
4-3
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List of Warning (error) codes
If there are problems with the print controller, look at the error code displayed on the copier's operation
panel. This list only listed the error codes that are displayed when the print controller is attached to the
copier.
• The warning code is an error code which is displayed on the LCD display on the copier operation
panel. For other warning codes, refer to the Service Handbook for the copier.
• Numbers shown in the Measures column indicate priorities.
• Before attempting to replace component units or parts, be sure to turn the copier's main power switch
OFF and unplug the power cord.
Warning Code Cause
Operation in case of
warning occurrence
Estimated
abnormal
parts
Measures
E52-06 Abnormal cooling fan
motor in print control-
ler.
Copier stops immedi-
ately.
Print controller 1. Recycle the main power.
2. Check on the connection
between the print control-
ler and the copier.
3. Replace the system board.
E87-02/03 Abnormal system
board.
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