40496501TH Rev.1 135
D The printer does not operate. The alarm lamp flashes. The LCD reads “ERROR FUSE”.
Is the connection of cable properly made to the CN3 on the PMA board?
Yes No
• Properly reconnect the cable.
▼
• Is the connection of cable properly made to the printer unit connector DCOUT2?
Yes No
• Properly reconnect the cable.
▼
• Does the fuse get burnt when powered on with the CN2 and the CN6 of the PMA board
disconnected?
No Yes
• Which of F1 or F2 is the burnt fuse?
F2 F1
• Replace the PMA board.
▼
• Is there any short circuit between 5pin and 4pin, or/and 1pin and 2pin of HTA1 on the
PDA board?
No Yes
• Replace the PDA board.
▼
• Replace the PMA board.
▼
• Does the fuse get burnt when powered on with the CN2 on the PMA board disconnected?
No Yes
• Is any of the cables for the bail, path change and LF motor, and the connection cable
between PMA and PHA board damaged?
No Yes
• Replace the damaged cable.
▼
• Replace the PHA board.
▼
• Is any of the cables for the ribbon, space and autogap, and the connection cable between PMA
and PRA board damaged?
No Yes
• Replace the damaged cable
▼
• Replace the PRA board.
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