40496501TH Rev.1 147
4 function is not started when the switch is pressed on the operator panel.
Is the connection of cable between the CN1 on the POA board and the CN12 on the PHA board
normal?
Yes No
• Properly reconnect the cable.
▼
• Check the electrical conductivity between the CN1 on the POA board and the CN12 on the PHA
board.
• Is there the passage of current?
Yes No
• Replace the connection cable.
▼
• Can the printer recover after the POA board is replaced?
No Yes
• End
▼
• Replace the CN6 on the PMA board and the CN1 on the PHA board. Can the problem be resolved?
No Yes
• End
▼
• Can the printer recover after the PHA board is replaced?
No Yes
• End
▼
• Replace the PMA board.
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