Image forming apparatus

Electrophotography – Document handling – Copy

Patent

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Details

399303, 399364, G03G 2100

Patent

active

057298190

ABSTRACT:
An image forming apparatus which performs image transfer on the rear side of a sheet by retransporting the sheet inverted via inverting section to a transfer drum in duplex copy mode. After an image has been transferred onto a rear surface of the sheet, the transfer drum is separated from an image bearing member, thereby separation agent, which is adhered to the transfer drum due to refeeding of the sheet that has once passed through fixing unit, is removed from the transfer drum without adhering to the image bearing member.

REFERENCES:
patent: 5132739 (1992-07-01), Mauer et al.
patent: 5220387 (1993-06-01), Tsunoda et al.
patent: 5250994 (1993-10-01), Ito et al.
patent: 5280325 (1994-01-01), Yamada et al.
patent: 5402218 (1995-03-01), Miyashiro et al.
patent: 5606407 (1997-02-01), Suzuki

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