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Publication No. GEG-99197 May 04
5-2 TallyGenicom mL450 Laser Printer User Manual
Replacing the EP Cartridge
About this Chapter
Describes how to handle and replace the EP cartridge, replacement of transfer and feed rollers and
performance of other steps as necessary for day-to-day operation of your printer.
Replacing the EP Cartridge
Cautions on handling the EP cartridge
Do not expose the cartridge to direct sunlight or other strong light sources.
Do not carry out the procedure in a brightly lit location, and complete the installation proce-
dure as quickly as possible (within about 5 minutes).
When the EP cartridge is removed from the printer, immediately put it back to its original
packing or wrap it with a thick lint-free cloth.
If the EP cartridge is moved from a cold location to a warm location, let it rest for 1 hour or
more before using it.
Do not turn the cartridge over and do not stand it on its end.
Toner is not harmful to the human body, but if some toner has come into contact with your
skin, you can wash it off with warm water and soap. If toner gets on your clothing, you
should immediately try to blow it off with compressed air.
The drum shutter protects the photosensitive drum from external light. Do not open the
drum shutter by hand.
Never touch the surface of the photosensitive drum.
Cautions on storing the EP cartridge
Do not remove the EP cartridge from its packing until use. If it is removed, immediately put
it back into the packing.
Avoid direct sunlight. Keep the EP cartridge in the following environment:
Temperature: 50º to 95º F (10 to 35º C)
Humidity: 15 to 85% (non-condensation)
Do not place the EP cartridge in a location with high temperature and high humidity.
Do not turn the cartridge over and do not stand it on its end.
Keep the EP cartridge away from CRT, disk drive, floppy drive, or any magnetic objects.
Keep the EP cartridge out of reach of children.
When to replace the EP cartridge
The EP cartridge contains a photosensitive drum and toner. It can print about 30,000 pages of let-
ter or A4 size paper (assuming 5% coverage).
The printer shows the following messages when it is time to replace the EP cartridge:
When the EP cartridge should be replaced soon, the “TONER LOW” message appears. Prepare a
new EP cartridge.