Epson EPL-N2000 Reference Manual page 139

Printed image is light or faint
Darken the Density setting using the printer driver, Remote
Control Panel utility, or the SelecType Config Menu.
Your paper may be moist or damp. Printing is sensitive to
moisture absorbed by the paper. The higher the moisture
content in the paper, the lighter the printed output. Do not
store your paper in a humid or damp environment.
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 at the end
of this chapter.
The Toner Save mode may be on. Turn off the Toner Save
mode using the printer driver, the Remote Control Panel
utility, OneTouch mode 2, or SelecType.
Image is too dark
The Density setting may be incorrect. Change the print density
using the printer driver, the Remote Control Panel utility, or
the SelecType Config Menu.
If the problem persists, replace the Imaging Cartridge as
described at the end of this chapter.
Troubleshooting and Maintenance
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