Transfer device including detecting mechanism for detecting...

Details Transfer device including detecting mechanism for detecting... Transfer device including detecting mechanism for detecting...

2009-03-17

2010-12-28

Ngo, Hoang (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

C399S024000, C399S302000

Reexamination Certificate

active

07860410

ABSTRACT:
As a projection extending member is arranged adjacently to a projection, a sensor S1produces an “ON” state output when an eccentric cam starts turning even in non-printing mode. The time from when the eccentric cam starts turning until sensor S1changes its output from “ON” to “OFF” becomes longer when a new intermediate transfer belt unit is used than when a used intermediate transfer belt unit is used. The length of this time is measured so as to detect whether the intermediate transfer belt unit is brand-new or old.

REFERENCES:
patent: 05-204195 (1993-08-01), None
patent: 2006-276562 (2006-10-01), None

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