Method for removal and addition of developer to a toner module i

Details Method for removal and addition of developer to a toner module i Method for removal and addition of developer to a toner module i

1989-05-01

1991-01-29

Braun, Fred L.

Photocopying

Contact printing

Light boxes

118690, G03G 1506, G03G 2100

Patent

active

049890450

ABSTRACT:
A toner module has a mixing roller and a decorator roller. The decorator roller, which extends partially through a developer opening, has a partial magnetic core enclosed by a developer carrying sleeve. Developer is removed by orientating a nonmagnetic portion of the core toward the developer opening. The decorator roller is then rotated so that the sleeve carries the used developer over the nonmagnetic portion, thereby allowing the developer to fall out of the toner module. New developer is added by orientating the magnetic portion of the core to face the developer opening. The decorator roller is then rotated so that, as the sleeve rotates over the developer to be added, the magnetic force of the developer core pulls the developer onto the sleeve and into the toner module. Orientating a magnetic portion of the mixing roller proximate to the decorator roller causes the developer to be carried further into the toner module, so as to provide for more storage volume for the developer.

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patent: 4439034 (1984-03-01), Daniels
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patent: 4583832 (1986-04-01), Kasamura et al.
patent: 4601259 (1986-07-01), Yamashita
patent: 4652115 (1987-03-01), Palm et al.
patent: 4845523 (1989-07-01), Miyaji

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