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Cause
Solution
The OPC drum cartridge
is not installed properly.
The OPC drum cartridge
is old or damaged.
Reinstall the OPC drum
cartridge.
Replace the OPC
drum cartridge.
Cause
Solution
The laser lens may be
dirty.
The toner cartridge may
be old or defective.
The OPC drum cartridge
is old or damaged.
Clean the lens.
Install a new toner
cartridge, if needed.
Replace the OPC drum
cartridge.