To prevent multi-feed sheet in an image erasing device.
The image erasing device includes: a sheet stacking tray which supplies a sheet with an image to be erased; a first paper feeding roller which receives the sheet from the sheet stacking tray; a pair of separation rollers provided on the downstream side in the sheet conveying direction of the first paper feeding roller, to separate the sheets; a pair of second paper feeding rollers provided on the downstream side in the sheet conveying direction of the separation roller, to convey the sheet in the sheet conveying direction; a conveying detecting sensor provided near the second paper feeding roller, to detect the sheet passing; a sheet conveying device which conveys the sheet; a loading device which loads the sheets from which images are erased by a heating device; and a control device which rotates one of the pair of separation rollers in the sheet conveying direction and the other in the opposite direction by a fixed distance when multi-feed sheet is detected based on the outputs of the conveying detecting sensor.
HACHIMAN ISAO
KAWAGUCHI TAKAHIRO
TAGUCHI HIROYUKI
DOBASHI HIROYUKI
IGUCHI TAKESHI
TOSHIBA TEC KK
| JPH06305609A | 1994-11-01 | |||
| JP2009007107A | 2009-01-15 | |||
| JP2008100828A | 2008-05-01 | |||
| JPH11334941A | 1999-12-07 | |||
| JPH08239141A | 1996-09-17 |
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