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B4400/B4600 User’s Guide – Consumables and maintenance > 83
Switch off the printer and allow the fuser to cool for about
10 minutes before opening the top cover.
1. Press the top cover release button and open the printer’s
top cover fully.
2. Pull the coloured lever on the right side of the toner
cartridge towards the front of the printer to close the
cartridge then remove the used toner cartridge.
3. Follow the installation instructions on or inside the box
containing the new toner cartridge to install the new
cartridge.
4. Gently wipe the LED array surface with the LED lens
cleaner that came with the new toner cartridge or soft
tissue.
5. Close the top cover and press it down to latch it closed.
I
MAGE
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.
W
HEN
TO
REPLACE
THE
IMAGE
DRUM
B4400, B4400
N
When the drum reaches 90% of its life, a CHANGE DRUM
message is displayed in the printer Status Monitor. Also, the Error
LED indicator blinks fast when the image drum requires
changing. Change the image drum when the print becomes faint
or begins to deteriorate.
WARNING!
If the printer has been powered on, the fuser may be
hot. This area is clearly labelled. Do not touch.