CHAPTER 6 SELF DIAGNOSIS
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E677
0001
A fault occurs it the combination between any of the printer boards (acces-
sories) and the main controller PCB.
Main cause
Any of the printer boards (accessories) is faulty. The main controller PCB is
faulty.
Action
1. Connector
Is the printer board (accessory) connected correctly?
NO:
Correct the connection.
2. Printer board, Main controller PCB
Try replacing the printer board. Is the problem corrected?
YES: End.
NO:
Replace the main controller PCB.