Epson ActionLaser 1400 Reference Manual page 44

Make sure your interface cable is shielded.
The toner cartridge may be empty. Replace the toner cartridge
as described in Read This First.
A single
sheet or the last sheet doesn't print
The file you sent might not contain a form feed command. (The
printer won't print a single page or the last page of a multi-
page document unless the file ends in a form feed command.)
To print the single sheet or last sheet, briefly press the reset
button at the back of the printer.
Some or all of the output is garbled or printed as asterisks
Make sure that both ends of the interface cable are plugged
in securely.
Make sure your interface cable is shielded.
If the printer still does not print correctly, call your dealer or a
qualified service person.
Position of the printout is not correct
Make sure that you are using the correct page length and
margin settings in your software program.
Graphics
don't print correctly
Make sure your software program supports LJ4P emulation
Graphics require large amounts of memory; if you are
encountering problems because of insufficient memory,
simplify your graphics or use fewer graphics on a page. If
you often print graphics-intensive pages, you may want to
add more memory as described in Appendix D.
3-4 Troubleshooting