Epson FX-880 Service Manual page 37

3. Printing is faulty during self-test, but carriage operation is normal.
START
Is AC input voltage normal?
120V version: 85 - 138V.
230V version: 187 - 276V.
Holding down the LF/FF or
Load/Eject switch, turn on the
printer to start self test printing.
Is printing
executed?
Is the vertical
line aligned?
Is any dot
missing?
Verify FFCs are properly inserted
and have continuity. If they are not
defective, replace the printhead.
Is the fault solved?
Rev. A
NO
YES
YES
NO
YES
NO
Perform the Bi-D
adjustment.
YES
Is the fault solved?
NO
YES
Adjust the Platen Gap.
NO
YES
END
Figure 3-6. Flowchart (3)
Use the correct AC input voltage.
No fluctuation from AC voltage range is
permitted.
Are all connectors connecting the
C229MAIN board and printer
mechanism?
YES
NO
YES
END
Replace the C229MAIN
board.
END
FX-880 Service Manual
Chapter 3 Troubleshooting
NO
Reinsert the connectors correctly.
NO
Is the fault solved?
YES
END
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