Image forming apparatus

Details Image forming apparatus Image forming apparatus

2006-06-13

2006-06-13

Chau, Minh (Department: 2854)

Electrophotography

Document handling

Copy

C399S376000

Reexamination Certificate

active

07062215

ABSTRACT:
An image forming apparatus includes a medium width detector and a controller that controls the medium width detector. The medium width detector detects a width of a page of print medium. The controller selects one of a plurality of medium cassettes and controls the medium width detector accordingly. When a predetermined condition is detected, the controller controls the medium width detector to detect the width of the page of print medium. The predetermined conditions include, for example, (1) when a printing operation is performed for the first time after power up of the apparatus; (2) when print data has not been received for a predetermined time length after a last reception of print data; (3) printing is performed for the first time after failure of transport of print medium occurs, a medium feeding mode is switched, and (4) when a print job is received.

REFERENCES:
patent: 5464204 (1995-11-01), Suzuki
patent: 5722029 (1998-02-01), Tomidokoro et al.
patent: 6674981 (2004-01-01), Sugimoto
patent: 05-116811 (1993-05-01), None
patent: 07277550 (1995-10-01), None
patent: 10016345 (1998-01-01), None

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