Detecting the presence of a photoconductor drum

Details Detecting the presence of a photoconductor drum Detecting the presence of a photoconductor drum

2006-02-13

2009-08-25

Tran, Hoan H (Department: 2852)

Electrophotography

Diagnostics

Component present or mounted

Reexamination Certificate

active

07580645

ABSTRACT:
The presence of a photoconductor drum in a laser printer may be determined by making electrical measurements without directly sensing drum presence. In some embodiments, this may be done without using any added printer components.

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patent: 6295423 (2001-09-01), Haines et al.
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patent: 6934485 (2005-08-01), Miyabe et al.
patent: 7272328 (2007-09-01), Ream et al.
patent: 9-90771 (1997-04-01), None

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