Epson FX-870 User Manual page 123

See that the holes on the sides of the paper are aligned with
each other. Also, make sure the sprocket units are locked and
their covers are closed.
Check that the paper-thickness lever is set correctly for the
paper you are using. See page 2-23.
Check that the paper thickness is within the specified range.
See page 7-3.
The paper does not eject properly.
l
The page is too long. Tear off the paper and remove it from the
printer. Use only paper that is within the specified range.
6-10 Troubleshooting