Konica Minolta Magicolor 3300 Service Manual page 419

Konica minolta magicolor 3300 laser printer service manual

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Table of Contents

Refresher and RTC

High voltage of the polarity (negative) reverse to that at the printing transfer is applied to the IDT1,

IDT2, and BTR. At this time, the drum surface is charged negatively by negative voltage of the

IDT1. The toner (positive polarity) remaining in the Refresher and RTC are move to the drum

electrically by transforming the Refresher and HTC to 0V. Then, in the same manner as in the

printing transfer, the residual toner is collected to the BTR surface by potential difference between

IDT1, IDT2, and BTR.

Toner attached to the surface of BTR is scraper off with the BTR cleaner which is in contact with the

BTR and collected into the collection space in the BTR UNIT ASSY.

Chapter 6 Principles of Operation

: Negative electric charge

engine principle0047FB

Troubleshooting