Epson FX 890 - B/W Dot-matrix Printer Service Manual page 48

Table 3-14. Repairing the Printer Mechanism (continued)
Symptom
Problem: Paper is stained with ink.
Ink stains appear on
printed areas.
Problem: The printer continues to print after paper ends or when no paper is loaded.
The printer keeps
printing beyond the
end of the page.
Rev. B
Cause
The ribbon mask is
positioned incorrectly.
The platen gap is not
adjusted correctly.
The PE detector is
defective.
FX-1180/FX-880 Service Manual
Chapter 3 Troubleshooting
Checkpoint
Check if the ribbon
mask is installed in the
correct position.
Set the gap adjustment
lever to the first position,
and check the platen
gap. The correct platen
gap is 0.365 0.015.
Check if the PE detector
is bad.
Solution
Reinstall the ribbon
mask.
Adjust the platen
gap. Refer to the
chapter 5
Adjustment .
Replace the PE
detector.
3-18