Photocopying – Contact printing – Light boxes
Patent
1989-03-07
1989-10-10
Grimley, Arthur T.
Photocopying
Contact printing
Light boxes
355211, 346160, G03G 1500
Patent
active
048735485
ABSTRACT:
An image forming apparatus provided with a positioning mechanism for positioning a process cartridge in the main assembly. The process cartridge is detachably mountable into the main assembly. The main assembly includes a bottom frame and a top frame which is capable of taking a closing position and an opening position. The process cartridge is loaded into the top frame or bottom frame. Prior to the start of image formation, the process cartridge is correctly positioned with respect to the bottom frame. The bottom frame contains the major part of the optical system, whereby the accurate relative position can be accomplished with an optical system of the cartridge.
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Adachi Nobukazu
Fujino Hitoshi
Hayakawa Yasuyoshi
Kobayashi Hiroo
Setoriyama Takeshi
Canon Kabushiki Kaisha
Grimley Arthur T.
Pendegrass J.
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