Description: Communication abnormality
Image control board communication error. Initial data is not received from ICB (image control board) within 10 seconds after power-on.
Causes: PRCB (printer control board) ICB (image control board)
Code: E50-11
Description: Communication abnormality
Image control board communication serial reception error detection fault.
Causes: ICB (image control board)
Code: E56-02
Description: Operation panel abnormality
Communication between the ICB (image control board) and OB1 (operation board 1) does not start within 30 seconds after SW2 (sub power) turns ON.
Causes: ICB (image control board) OB1 (operation board 1)
Code: E70-1
Description: FN-112/6/ 121/10 abnormality
Communication error