Toner Drop Service Check - Lexmark C720 Service Manual

Color laser printer

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Toner Drop Service Check

A toner spot stain on the paper is caused by the toner dropping

within the printer engine.

Waste Toner Feeder

Toner Cartridge

Service Manual

Toner drops on the transfer drum

due to a breakdown of the waste

toner feeder drum cleaner.

• The waste toner feeder mylar is

• Waste toner is not properly

collected by the waste toner

Check the cleaning brush and waste

toner feeder.

• Clean the perimeter of the

cleaning brush.

• Check the seal for damage or

deformation.

• Check whether the waste toner is

stuck in the printer engine. If so,

absorb and vacuum.

Toner adhering to the developer

roller drops onto the OPC belt.

Remove the toner cartridge, clean

and replace if necessary.