Epson EPL-5000 Guide De L'utilisateur page 617

Vertical black or white bands or lines
Clean the printer lens. Remove the imaging cartridge and place it on a
clean, flat surface. Locate and clean the clear lens on the inside middle
of the printer.
Wipe the lens from end to end with a clean, soft, dry, lint-free cloth.
Then reinsert the imaging cartridge in the printer and close the printer
cover. If the problem persists, install a new imaging cartridge as
described later in this chapter and print several pages to check the
print quality.
Horizontal black or white bands, or a black page
Install a new imaging cartridge as described later in this chapter.
Uneven darkness
Turn off the printer. Take out the imaging cartridge, shake it from side
to side, and then reinstall it.
6-10
Troubleshooting and Maintenance