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TROUBLESHOOTING AND ROUTINE MAINTENANCE
The drum unit is a consumable item, and it is necessary to replace it
periodically. There are many factors that determine the actual drum life,
such as temperature, humidity, type of paper and how much toner you
use for the number of pages per print job, etc. The estimated drum life is
up to 20,000 pages. The actual number of pages your drum will print may
be significantly less than these estimates. Because we have no control
over the many factors that determine the actual drum life, we cannot
guarantee a minimum number of pages that will be printed by your drum.
WARNING
Just after you have used
HOT!
the machine, some
internal parts of the
machine are extremely
HOT! So please be
careful.
Follow these steps to replace the drum unit:
1
Open the front cover.
2
Remove the old drum unit.
Place the drum unit on a drop
cloth or disposable
paper to avoid scattering toner.
3
Hold down the lock lever on the
Lock
Lever
right and pull the toner cartridge
out of the drum unit assembly.
(See Replacing the Toner
Cartridge, page 22-19.)
Discard the used drum unit according to local regulations. If you are not
sure of them, call your local Sanitation Department. Be sure to seal the
drum unit tightly so toner powder does not spill out of the unit. When
discarding used drum units, keep them separate from domestic garbage.
4
Wait to unpack the new drum unit until immediately before installing it.
Place the old drum unit into the aluminium bag and discard it according to
local regulations.
5
Reinstall the toner cartridge into the new drum unit. (See Replacing the
Toner Cartridge, page 22-19.)