Electrophotography – Document handling – Original
Patent
1999-09-10
2000-09-12
Chen, Sophia S.
Electrophotography
Document handling
Original
399 38, 399 82, G03G 1500, G03G 2100
Patent
active
061189723
ABSTRACT:
An image forming apparatus includes: a tray on which documents are stacked; a first document size detector for detecting a size of the documents stacked on the tray; a second document size detector for detecting a size of each of the documents conveyed from the tray; an automatic document feeding device having a document reading section for reading an image of each of the documents; an image forming section including a transfer material feeder for feeding transfer materials; and a controller for selecting and feeding transfer materials according to the detected document size. When the first document size detector detects that the size of the documents is identical to a regular size, the controller selects and feeds the transfer materials in accordance with the regular size, and when the first document size detector detects that the size of the documents is not identical to the regular size, the controller controls the second document size detector to detect the size of each of the documents conveyed from the tray, and selects and feeds transfer materials in accordance with the size detected by the second document size detector.
REFERENCES:
patent: 5734958 (1998-03-01), Kazama et al.
patent: 5946527 (1999-08-01), Salgado e al.
patent: 5995801 (1999-11-01), Katsuta et al.
Matsubara Akitoshi
Morohashi Takeo
Yamazaki Hirohiko
Chen Sophia S.
Konica Corporation
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