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Replacing the Drum Cartridge
The drum cartridge consists of a photosensitive drum (drum) and a development unit. An electric charge is
first projected to the drum and develops a print image on the drum's surface.
When the drum cartridge reaches its usable life-span, the following messages appear on the printer
console.
Message
Replace Drum Cartridge Soon.
Life Almost Over
Important:
• Make sure that the power is on when replacing the drum cartridge. Switching the power off erases the
print data in the printer and information accumulated in the memory.
• Do not expose the drum cartridge to direct sunlight or strong light.
• To protect the drum cartridge against bright light, close the front cover within 3 minutes. If the front
cover remains open for more than 3 minutes, print quality may deteriorate.
• Make sure that nothing touches or scratches the surface (black-colored film) of the belt unit. Scratches,
dirt, or oil from your hands on the film of the belt unit may reduce print quality.
Replacement Procedure
Use the following procedure to replace the drum cartridge unit.
1.
Push the side button (right side) and open the front cover.
2.
Turn the four lock levers of the drum cartridge counterclockwise by 90 degrees.
Important:
•Do not turn the lock levers by more than 90 degrees with an excessive force.
•Make sure that nothing touches or scratches the surface (black-colored film) of the belt unit.
Scratches, dirt, or oil from your hands on the film of the belt unit may reduce print quality.
Action
The drum cartridge needs to be replaced soon. Have a new
cartridge ready.
11-7
Replacing the Consumables
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