Troubleshooting - Epson TM-U375 Technical Manual

CONFIDENTIAL

TROUBLESHOOTING

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