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Issue
Black streaks appear.
Cause and solution
The drum in the toner cartridge has deteriorated.
Replace the toner cartridge with a new one. [Replacing the Toner Cartridge]
Cause and solution
The toner cartridge was replaced, or the printer has not printed for a long period of time.
Perform the following procedure in the printer driver.
1. Display the [Finishing] sheet.
2. Click [Finishing Details], then click [Advanced Settings] in the [Finishing Details] dialog box.
3. Set [Special Print Adjustment B] to [Mode 1].
If the problem is not solved by specifying [Mode 1], specify [Mode 2].
If the problem is not solved by specifying [Mode 2], specify [Mode 3].