Symptom
Cause
Solution
Printer resets or
turns off
frequently.
The power cord is not correctly
plugged into the outlet.
Turn off the printer, confirm that the power cord is correctly
plugged into the outlet, and then turn on the printer.
A system error occurred.
Contact Technical Support with the error information.
The message
PORT
AUTH ACTIVE
remains displayed
in the message
window.
IEEE 802.1X authentication
failed.
Change the setting for
INTERFACE MENU
/
ETHERNET
/
IEEE802.1X
/
ENABLE
to
NO
, and then check all settings
concerning IEEE 802.1X.
You are
experiencing
duplex (double-
sided) problems.
(Epson AcuLaser
C3900DN only)
Media or settings are not correct.
Make sure that you are using correct media.
❏
❏
Do not duplex (double-sided) envelopes, labels,
letterhead, postcards, glossy or single side only paper.
❏
Make sure that you have not mixed media types in Tray 1
or 2.
Make sure that your document has more than one page.
Make sure that “EPSON AL-C3900” is selected in the “Model”
box under “Device Options” of the Windows printer driver
(Properties/Configure tab).
In the Windows printer driver (Layout/Print Type), choose
“Double-Sided.”
For N-up on duplexed pages, choose
Collate
only in the
Windows driver’s Basic tab. Do not set collation in the
application.
With N-up on
multiple copies,
the output is
incorrect.
Both the driver and the
application have been set for
collation.
For N-up on multiple copies, choose
Collate
only in the
Windows driver’s Basic tab. Do not set collation in the
application.
You hear unusual
noises.
There is a foreign object stuck
inside the printer.
Turn off the printer and remove the object. If you cannot
remove it, contact Technical Support.
The web-based
utility cannot be
accessed.
The Web-Based EpsonNet
Config Administrator’s
password is incorrect.
The Web-Based EpsonNet Config Administrator password
has a 0-character minimum and a 16-character maximum.
For details of the Web-Based EpsonNet Config administrator
password, refer to the Reference Guide.
AcuLaser C3900 Series User’s Guide
Troubleshooting
134