Epson 1170 - Manual (Page 111)

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 2-25.
Check that the paper thickness is within the specified
range. See page 7-6.
l
The paper does not eject properly.
The page is too long. Tear off the paper and remove it from
the printer. Only use paper that is within the specified
range.
6-10 Troubleshooting