Epson EPL-N2700 Reference Manual page 151

Take out the imaging cartridge, shake it from side to side to
distribute the toner, and then reinstall it. If the problem persists,
replace the imaging cartridge as described in "Replacing the
Imaging Cartridge" on page 4-2.
The Toner Save mode may be on. Turn off the Toner Save mode
by using the printer driver's Panel menu, or by using the control
panel's OneTouch mode 2 or SelecType Config Menu.
Image is too dark
The Density setting may be incorrect. Change the Density setting
on the printer driver's Panel menu. (You can also change this
setting from the printer's control panel using SelecType. For
details, see "SelecType Settings" on page 5-1.)
If the problem persists, replace the imaging cartridge as described
in "Replacing the Imaging Cartridge" on page 4-2.
Non-printed side of the page is dirty
Toner may have spilled in the paper feed path. Remove the
imaging cartridge and then clean the paper path using a soft, lint-
free cloth. See "Replacing the Imaging Cartridge" on page 4-2 for
more information.
Warning:
w
When opening the printer, do not touch the hot areas indicated
on the caution labels inside cover A.
Troubleshooting
6-17