Patent ID: 6118972
Filing Date: 2000-09-12
Classification: G03G,H04N

Abstract:
An image forming apparatus comprising:(a) a tray on which documents are stacked;(b) a first document size detector for detecting a size of the documents stacked on the tray;(c) a second document size detector for detecting a size of each of the documents conveyed from the tray;(d) an automatic document feeding device having a document reading section for reading an image of each of the documents;(e) an image forming section including a transfer material feeder for feeding transfer materials; and(f) a controller for selecting and feeding transfer materials according to detected document size,wherein 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 the transfer materials in accordance with the size detected by the second document size detector.