Image forming apparatus for copying different groups of document

An image forming apparatus comprising:

• a first sheet supply portion which stores a plurality of normal copy sheets;
• a second sheet supply portion which stores a plurality of specific copy sheets;
• a document feeder which feeds original documents one by one from an original document stack including a partition page and other pages, and sets the fed original documents on a platen, said partition page having a different dimension from a dimension of said other pages;
• a detector which detects the dimension of the original documents fed by said document feeder;
• a selector which selects the first sheet supply portion when the detector detects the dimension corresponding to the other pages, and selects the second sheet supply portion when the detector detects the dimension of the partition page;
• and
• a printer which forms images of the original documents on the copy sheets fed from the sheet supply portions which are selected by said selector, whereby an image of the partition page is copied on one of the specific copy sheets and the images of the other pages are copied on the normal copy sheets.

An image forming apparatus comprising:

• document transporting means for sequentially transporting a group of original documents to a predetermined position on a document platen one by one, said group of original documents including a cover page, a partition page, and main body pages, and the cover page and the partition page having a dimension which is different from a dimension of the main body pages;
• image forming means for forming an image of each of the original documents in synchronization with an operation of said document transporting means;
• sheet supplying means having a plurality of supply portions, and which feeds copy sheets one sheet at a time from the supply portions to said image forming means;
• detection means for detecting the dimension of each of the original documents while said original documents are being transported to said predetermined position;
• counting means for counting a number of the original documents which are transported from the group of original documents by said document transporting means;
• specifying means for specifying whether a document is the cover page or the partition page in accordance with a count value of said counting means when the detection means detects the dimension of the cover page and the partition page;
• and
• control means for controlling the sheet supplying means in accordance with a specification of said specifying means so as to supply the copy sheets for the cover page, partition page and main body pages from different supply portions from each other.

An image forming apparatus comprising:

• a first sheet supply portion which stores a plurality of normal copy sheets;
• a second sheet supply portion which stores a plurality of cover copy sheets;
• a third sheet supply portion which stores a plurality of partition copy sheets;
• a document feeder which feeds original documents one by one from an original document stack including a cover page, a partition page, a back cover page, and main body pages, and sets the fed original documents on a platen, said main body pages having a first dimension and said cover page, partition page and back cover page having a second dimension which is different from the first dimension;
• a detector which detects the dimension of the original documents fed by said document feeder;
• a counter which counts a number of the original documents fed by said document feeder;
• a selector which selects the first sheet supply portion when the detector detects the first dimension, and selects the second supply portion when the detector detects the second dimension and the counter indicates the first page or the last page of the original document stack, and selects the third sheet supply portion when the detector detects the second dimension and the counter does not indicate the first and last page;
• and
• a printer which forms images of the original documents;
• on the copy sheets fed from the sheet supply portions.

An image forming apparatus comprising:

• document transporting means for sequentially transporting a group of original documents to a predetermined position on a document platen one by one, said group of original documents including first dimension documents and second dimension documents which are different from each other;
• detection means for detecting the dimension of each of the original documents while said original documents are being transported to said predetermined position;
• and
• image forming means for forming images of two consecutive first dimension documents on a single copy sheet according to a duplex mode and forming one image of one of said second dimension documents on a single surface of another copy sheet according to a simplex mode.

An image forming apparatus comprising:

• a document feeder which transports original documents from an original document stack to a document platen one by one, said original document stack including specific pages and other pages;
• a plurality of sheet supply portions which feed copy sheets one by one, wherein one of said sheet supply portions stores a plurality of specific copy sheets which are different from standard copy sheets stored in another sheet supply portion;
• a printer which forms images of the original documents transported to the document platen on the copy sheets fed by said sheet supply portions;
• an operation panel which selects a two-in-one mode in which images of two consecutive original documents are copied on a single surface of the copy sheet side by side and a specific page mode in which one of the specific pages is copied on one of the specific copy sheets and the other pages are copied on the standard copy sheets;
• and
• a controller which controls the document feeder, the sheet supply portions and the printer in accordance with a selection of the operation panel so as to perform a copy operation in either one of said modes for all original documents when the either one of the modes is selected by said operation panel, and to perform a copy operation in the specific page mode for the specific page and perform a copy operation in the two-in-one mode for the other pages when the both of said modes are selected by said operation panel.