43984801TH
Rev.1
22 /
Oki Data CONFIDENTIAL
2. Operational explanation
5. Drum cleaning
1 Cleaning
After the completion of transferring, the remaining toner on the image drum is temporarily attracted
by the electrostatic and the image drum surface is cleaned.
Power supply
Cleaning roller
Image drum
Transferring roller
2 Roller cleaning
In the following case, there is a need of cleaning the charged roller, transfer roller, and cleaning roller.
•
Warming up as switching on the power supply
•
Warming up after open-close of the cover
•
In case of termination of printing operation
•
By periodically change the bias voltage that is implied to each roller during continuous printing,
transfer the attached toner from roller to image drum and then return it to developing device.
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