how to Fix error E004 on canon printer IR1600

Solution:


Wiring
Is the connection of the connector (CN8) on the power supply PCB and the connector (J103) on the DC controller PCB and the wiring to the fixing assembly normal?
NO : Correct the connection and wiring.

Fixing assembly
Try replacing the fixing assembly.
 

Power supply PCB, DC controller PCB

Try repacking the power supply PCB. Is the fault corrected?
YES : End.
NO : Replace the DC controller PCB.

Error
With the power switch ON, clear E000 through E004; then, turn off and then on the power switch. 

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