Epson TM-U950 - Page 123

4-10 Troubleshooting Rev. A
Is interface
circuit board
connected to the main
circuit board
firmly?
7
Replace with a proper cable.
Replace the cable.
Connect the board firmly
Replace the I/F circuit board
OK?
OK?
OK?
Does
Is interface
End
End
End
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Data from host is not printed normally for the TM-U950P
Yes
cable match
specification?
interface
cable broken?
OK?
End
Replace the printer mechanism assembly
OK?
End
No
Check the host
➆
No
CONFIDENTIAL