Image forming apparatus enabling easy and reliable recovery from

Details Image forming apparatus enabling easy and reliable recovery from Image forming apparatus enabling easy and reliable recovery from

1996-09-18

1998-09-15

Brase, Sandra L.

Electrophotography

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399 18, G03G 1500

Patent

active

058093915

ABSTRACT:
An image forming apparatus includes a sheet transport channel including a registration roller for supplying a sheet that is fed from a tray to an image recording section at predetermined timing. A brake forcibly stops rotation of the registration roller. A sensor senses the occurrence of an abnormality in the paper transport channel during transport of the sheet. A controller activates the brake when the sensor has detected the abnormality. Therefore, when a POP jam occurs, sheet rushing into the cleaner due to an overrun can be reliably prevented. Also, in the case of feeding a sheet to prevent a guillotine jam, sheet rushing into the image recording section due to idle rotation of the registration roller can be prevented reliably.

REFERENCES:
patent: 4231567 (1980-11-01), Ziehm
patent: 5058879 (1991-10-01), Dunaway
patent: 5136342 (1992-08-01), Ida et al.
patent: 5316289 (1994-05-01), Matsuo
patent: 5485247 (1996-01-01), Morishita et al.

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