No Replace the PCU cleaning unit.
"4 PCU Cleaning Unit (Black)/18 PCU Cleaning Unit (Cyan)/32 PCU Cleaning
Unit (Magenta)/46 PCU Cleaning Unit (Yellow)/60 PCU Cleaning Unit (Special)",
Regular Maintenance Guide
White Spots/Toner Blasting
White Spots
White spots of 0.2 - 0.3 mm in diameter appear.
Toner Blasting
Toner is scattered around a solid-fill print.
Cause:
This is due to electrical discharge in the paper transfer unit.
Paper dust on the guide board and transfer timing roller may stick to the paper and produce white spots.
This is prone to occur when printing is performed in a low-temperature, low-humidity environment or on
recycled paper, cut paper, or high-friction coated paper, which produces a lot of paper dust.
Spots
189
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