Photocopying – Contact printing – Light boxes
Patent
1988-02-25
1989-09-19
Grimley,, A.
Photocopying
Contact printing
Light boxes
118658, 118689, 355246, 355251, G03G 1500, G03G 1509, B05C 1100
Patent
active
048686018
ABSTRACT:
A developing unit for electrophotography has a magnet roller disposed opposite to its photosensitive drum and a toner sensor disposed near the magnet roller and displaced from the position of one of the poles of the magnet roller by 5.degree.-15.degree. in the direction of the photosensitive drum.
REFERENCES:
patent: 4660505 (1987-04-01), Goto et al.
Fujihara Akiyoshi
Morimoto Ken-ichi
Grimley A.
Pipala Edward
Sharp Kabushiki Kaisha
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