Epson EPL-N2000 Reference Manual page 137

Horizontal black or white bands appear in your printout, or the
printer prints a blank page
Install a new Imaging Cartridge as described later in this
chapter.
Uneven darkness
Take out the Imaging Cartridge, shake it from side to side, and
reinstall it.
Your paper may be moist or damp. Printing is sensitive to
moisture absorbed by the paper. Do not store your paper in a
humid or damp environment.
Install a new Imaging Cartridge as described later in this
chapter. Then print several pages to check the print quality.
Toner smudges
Remove the Imaging Cartridge, shake it from side to side to
distribute the toner, and wipe the bottom of it with a clean, dry
cloth.
Clean the paper path inside the printer using a clean, dry cloth.
Clean internal printer components by printing three pages with
only one character per page.
If the problem remains, replace the Imaging Cartridge as
described later in this chapter.
Troubleshooting and Maintenance
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