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CONSUMABLES AND MAINTENANCE > 71
IMAGE DRUM LIFE
The life of an image drum depends on a number of factors, including
temperature and humidity, the type of paper used, and the number of
pages per job.
The image drum should last approximately 25,000 pages continuous
printing. This number is approximate because different numbers of pages
are printed each time and the environmental conditions and the paper type
used may vary.
WHEN TO REPLACE THE IMAGE DRUM
B4200
When the drum reaches 90% of its life, a CHANGE DRUM message is
displayed in the printer Status Monitor. Also, the Error LED indicator
slowly blinks when the image drum requires changing. Change the image
drum when the print becomes faint or begins to deteriorate.
B4300
When the drum reaches 90% of its life, a CHANGE DRUM message is
displayed in the operator panel LCD. Change the image drum when the
print becomes faint or begins to deteriorate.
REPLACING THE IMAGE DRUM
It is recommended that you change the toner cartridge and clean the LED
array at the same time as you change the image drum.
CAUTION!
The green image drum surface at the base of the cartridge is very delicate
and light sensitive. Do not touch it and do not expose it to normal room
light for more than 5 minutes. If the drum unit needs to be out of the printer
for longer than this, please wrap the cartridge inside a black plastic bag to
keep it away from light. Never expose the drum to direct sunlight or very
bright room lighting. Always hold the image drum unit by the ends or from
the top.