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2-18 Service Manual
4227-X00
No Print or Abnormal Print Service Check
FRU/Function Action
1 Carrier If the carrier moves, but nothing is printed, go
to the
“Print Wire Drive Failure Service
Check” on page 2-28
.
2 Configuration Enter the user menus and be sure the correct
emulation (IBM/EPSON) and interface
(parallel/serial) are selected.
If the printer is serially attached, be sure the
RS232/RS422 switch is in the correct position,
and the host communications parameters are
correct.
3 Main Logic Board If the Print Test does not print, or prints
incorrectly, do the following:
• Replace the main logic board.
•Setthe
“Bidirectional Print Adjustment”
on page 4-4
and the “Printhead-to-
Platen Gap Adjustment” on page 4-2
.