Image forming apparatus with cover lifting mechanism

Details Image forming apparatus with cover lifting mechanism Image forming apparatus with cover lifting mechanism

1999-09-08

2000-03-14

Lee, Susan S. Y.

Electrophotography

Having particular structure

Modular or displaceable

347116, 399301, 399303, G03G 1500, G03G 2116, G03G 1501

Patent

active

060384174

ABSTRACT:
The image forming apparatus includes a frame, a top cover pivotally mounted to the frame, a lock member for locking the top cover onto the frame, a plurality of printing assemblies, a fixing device, and a paper conveyor belt. Each of the printing assemblies having a photosensitive body, a charger, an optical head for forming an electrostatic latent image on the photosensitive body, a developing device, and a transfer element. An optical sensor is used to read marks formed on the paper conveyor belt. The top cover opens an optical passage of the optical sensor when the apparatus is in operation and shuts off the optical passage when the apparatus is not in operation.

REFERENCES:
patent: 4416536 (1983-11-01), Itoh et al.
patent: 4761662 (1988-08-01), Yoshimoto et al.
patent: 5200781 (1993-04-01), Hata
patent: 5323210 (1994-06-01), Inomata
patent: 5333036 (1994-07-01), Koga
patent: 5379092 (1995-01-01), Takashima
patent: 5587769 (1996-12-01), Sawada et al.
patent: 5765082 (1998-06-01), Numazu et al.
patent: 5784676 (1998-07-01), Iseki et al.

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