Automatic component replacement detecting system in an image for

Details Automatic component replacement detecting system in an image for Automatic component replacement detecting system in an image for

1999-04-06

2000-08-15

Beatty, Robert

Electrophotography

Diagnostics

Unit or part identification

399 33, G03G 1500

Patent

active

061048895

ABSTRACT:
A system for detecting replacement of a replaceable fixing device in an image forming apparatus, including providing the replaceable fixing device with a roller, and detecting via a detecting device whether or not the fixing device is replaced based on a rotation of the roller. The detecting device includes an electrical connector having electrical contacts. The electrical contacts are maintained in a contact position when the replaceable fixing device is first replaced. Rotation of the roller causes the electrical contacts to be released from the contact position which is detected by the detecting means for detecting that the fixing device is replaced.

REFERENCES:
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patent: 4585327 (1986-04-01), Suzuki
patent: 5038173 (1991-08-01), Kusumoto
patent: 5066978 (1991-11-01), Watarai et al.
patent: 5311253 (1994-05-01), Ohmori et al.
patent: 5722012 (1998-02-01), Saitoh

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