Symptom
Cause
Solution
Duplex misfeeds.
Unsupported media (wrong size,
thickness, type, etc.) is being
used.
Use Epson-approved media. See “Print Media” on page 58.
Only plain paper, special paper and thick stock, 60–210 g/m2
(16–55.9 lb) can be autoduplexed. See “Print Media” on page
58.
Make sure that you have not mixed media types in Tray 1 or
2.
Do not duplex (double-sided) envelopes, labels, letterhead,
postcards, glossy or single side only paper.
Media is still being misfed.
Recheck the media path inside the duplex option and make
sure that you have removed all of the misfed media.
Media is
misfeeding.
The media is not correctly
positioned in the tray.
Remove the misfed media and reposition the media
properly in the tray.
The number of sheets in the tray
exceeds the maximum allowed.
Remove the excess media and reload the correct number of
sheets in the tray.
The media guides are not
correctly adjusted to the media
size.
Adjust the media guides in the tray to match the size of the
media.
Warped or wrinkled media is
loaded in the tray.
Remove the media, smooth it out, and reload it. If it still
misfeeds, do not use that media.
The media is moist from
humidity.
Remove the moist media and replace it with new, dry media.
Envelopes are loaded in Tray 2, 3.
Envelope must be loaded in Tray 1 only.
Labels, letterhead, postcards,
thick stock, or glossy are loaded
in Tray 3.
Labels, letterhead, postcards, thick stock, or glossy must be
loaded in Tray 1 or 2.
Custom-sized media is loaded in
Tray 3.
Custom-sized media can be loaded in Tray 1 or 2.
The recommended label sheet is
facing the wrong way in Tray 1 or
2.
Load the label sheets according to the manufacturer’s
instructions.
Envelopes are facing the wrong
way in Tray 1.
Load the envelopes in Tray 1 so the flaps are facing up.
AcuLaser C3900 Series User’s Guide
Troubleshooting
131
