Operational Problems - Epson EPL-N2010 Reference Manual

Operational problems

The printer is making abnormal noise.
Abnormal noise may come from the printer momentarily
immediately after a new imaging cartridge is loaded. This does
not indicate malfunction.
Remove the imaging cartridge from the printer, gently rock it back
and forth two or three times, and reload it into the printer.
The display panel stays blank when you turn the printer on.
Turn off the printer and check the power cable connections
between the printer and the electrical outlet; then turn the printer
back on.
If the electrical outlet is controlled by an outside source such
as a wall switch, make sure the switch is turned on or plug another
electrical device into the outlet to check whether the outlet is
operating properly.
The printer doesn't print and the On Line light is off.
Press On Line once to put the printer on line (the On Line light comes
on).
The On Line ligh t is on but nothing prints.
Your computer may not be properly connected to the printer.
Perform the procedure described in "Connecting the printer to
the computer" in the Getting Ready! booklet.
The interface cable may not be plugged in securely. Check both
ends of the cable between the printer and the computer. Be sure
to secure the connector using the wire retaining clips.
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Troubleshooting and Maintenance