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User’s Manual 5-5
MAINTENANCE
Periodic Routine Maintenance
8. Lock the toner bottle.
Push the toner bottle
backward until it clicks into
place.
9. Close the upper door.
Notice:
Do not remove the toner bottle from the print unit until all the toner has
been used in order to avoid scattering toner inside the printer.
Replacing the Print Unit and Internal Cleaning
The print unit life is designed to last about 30,000 pages of 5% coverage
continuous printing on A4 paper or about one year after unpacking,
whichever comes first. The print unit life depends on print coverage,
paper type, and operating and/or storage conditions. The print unit life
ends when background smudge, ghosting, or dropouts occurs. Avoid
unnecessary high coverage printing to maintain the print unit
performance.
For the print unit life, this printer indicates the near end of life only. The
printer message display begins indicating
REPLACE PARTS
when the
print unit can print 3000 to 5000 more pages left. Prepare a new print
unit if you notice this indication.
Even if the print unit reaches its near-end-of-life, use the print unit until
its toner runs out (the message display indicates
TONER EMPTY
) for
economy. After replacing the print unit, be sure to reset the print unit
counter by using the control panel. For control panel
operations, see the
end of this section.
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