Photocopying – Contact printing – Light boxes
Patent
1996-02-02
1996-12-17
Grimley, Arthur T.
Photocopying
Contact printing
Light boxes
355208, 355260, G03G 1506
Patent
active
055858996
ABSTRACT:
An apparatus for replenishing toner in a developer unit has a plurality of toner discharge units. A selected discharge unit is energized to dispense toner into the developer unit with the other discharge units being de-energized. After the energized discharge unit is substantially depleted of toner, another toner discharge unit is energized. The depleted toner discharge unit is removed and replaced with a new toner discharge unit.
REFERENCES:
patent: 5077584 (1991-12-01), Tanaka et al.
patent: 5258248 (1993-11-01), Tokuhashi et al.
patent: 5329340 (1994-07-01), Fukuchi et al.
Palumbo Kenneth S.
Pictor Robert A.
Beck J. E.
Chen Sophia S.
Fleischer H.
Grimley Arthur T.
Xerox Corporation
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