Image forming apparatus with detachable transfer unit

Details Image forming apparatus with detachable transfer unit Image forming apparatus with detachable transfer unit

2007-03-06

2007-03-06

Lee, Susan (Department: 2852)

Electrophotography

Diagnostics

Power supply

Reexamination Certificate

active

11020081

ABSTRACT:
An image forming apparatus includes an apparatus body (48); image bearing bodies (11) for forming electrostatic latent images; a transfer unit (19) opposed to the image bearing bodies and having transfer sections (15); a voltage supply (13) for generating a transfer voltage; a mounting member (12) for bringing the transfer sections (15) into contact with the image bearing bodies (11) when the transfer unit (19) is installed at an appropriate position within the apparatus body (48) and into non-contact with the image bearing bodies (11) when the transfer unit (19) is installed at an inappropriate position within the apparatus body (48); and detection devices (14) for applying the transfer voltage to the transfer sections (15) to detect whether the transfer unit (19) is in contact with the image bearing bodies (11).

REFERENCES:
patent: 6404999 (2002-06-01), Shoji et al.

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