Epson TM-U375 - Troubleshooting

7-11
TROUBLESHOOTING
Data from host is not printed normally (for the parallel interface model).
Yes
END
OK ?
Replace the interface cable.
No
Replace with a proper cable.
No
END
OK ?
No
Does
interface cable match
specifications?
Yes
7
Is the
interface wire
broken?
Yes
No
No
Is the I/F board
connected to the main
PCB firmly?
Connect the board firmly.
Yes
END
No
Yes
OK ?
END
OK ?
Yes
Replace the I/F board.
Replace printer mechanism assembly.
No
OK ?
END
Yes
No
Check the host.
Yes
7
CONFIDENTIAL