FEEDING DEVICE FOR INSERTION SHEET, FEEDING METHOD, IMAGE FORMATION DEVICE AND IMAGE FORMATION METHOD

Japanese Patent JP3937947

B2

PROBLEM TO BE SOLVED: To provide a device improving a using condition of an image formation device for a user by recovering a system after occurrence of overlapped feeding of insertion sheets without stopping the system even in the case where the overlapped feeding of the insertion sheets occurs.
SOLUTION: This device is furnished with a first sheet feeding means to feed recording sheets by sequentially separating them one by one, an image formation means to form an image on the recording sheet, a carrier means to feed the recording sheet to the image formation means at specified timing by making the recording sheet stand by, a second sheet feeding means to feed the insertion sheets by sequentially separating them one by one, an overlapped feeding discriminating means to discriminate whether the insertion sheets are fed overlapped or not and a control means to discharge all the insertion sheets concerning a group of the insertion sheets involved in the overlapped feeding to a specified point in the case where the insertion sheets are determined as they are fed with overlapping, to head the insertion sheets of a following group and to suspend driving of the carrier means.

Takayuki Fujii
Tsuyoshi Moriyama
Koji Shimizu
Miyake Norisho
Yuzo Matsumoto
Yusuke Obuchi
Nemura Masaharu

JP2002199265A

June 27, 2007

July 08, 2002

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Canon Inc

B65H7/12; B65H39/11; B41L21/00; B65H31/00; G03G15/00; (IPC1-7): B65H39/11; B65H7/12; B65H31/00

JP2000016687A
JP9030684A
JP61113076A
JP57115566A
JP2004045464A
JP2003327361A

Yoshikazu Tani
Kazuo Abe

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