JP2000229738A5

JP2000229738A5 -

Info

Publication number: JP2000229738A5
Application number: JP1999031460A
Authority: JP
Filing date: 1999-02-09
Publication date: 2004-09-02
Anticipated expiration: 2019-02-09

Description

【発明の名称】画像形成装置の給紙制御方法および装置、画像形成装置Patent application title: Paper feed control method and apparatus for image forming apparatus, and image forming apparatus

【０００１】
【発明の属する技術分野】
この発明は、画像形成装置の給紙制御方法および装置、画像形成装置に関し、特に、複数の給紙トレイを有する画像形成装置の給紙元を切り替えて画像形成を行う画像形成装置の給紙制御方法および装置、画像形成装置に関する。[0001]
Field of the Invention
The present invention relates to a sheet feeding control method and apparatus for an image forming apparatus, and an image forming apparatus, and more particularly, to a sheet feeding control for an image forming apparatus which performs image formation by switching a sheet feeding source of an image forming apparatus having a plurality of sheet feeding trays. METHOD AND APPARATUS, IMAGE FORMING APPARATUS

【０００９】
そこで、この発明は、複数の給紙トレイをグループ分けし、該グループ毎に個別の設定で給紙トレイを自動切替することのできる画像形成装置の給紙制御方法および装置、画像形成装置を提供することを目的とする。[0009]
Therefore, the present invention provides a sheet feeding control method and apparatus of an image forming apparatus capable of grouping a plurality of sheet feeding trays and automatically switching the sheet feeding tray by individual setting for each group. The purpose is to

【００１９】
また、請求項１０の発明は、請求項７または９の発明において、前記記憶手段は、前記複数の給紙トレイ毎の切替許可若しくは不許可の設定をさらに記憶し、前記切替先決定手段は、前記第１のトレイが切替許可に設定されている場合にのみ前記第２の給紙トレイを決定することを特徴とする。
また、請求項１１の発明は、複数の給紙トレイを具備し、給紙中の給紙トレイに用紙切れが生じた場合に、給紙元を他の給紙トレイに切り替えて給紙を行うことが可能な画像形成装置において、再生紙を使用中に用紙切れが生じた場合に、給紙元を再生紙と普通紙が格納された給紙トレイへ切り替えることを許可し、普通紙を使用中に用紙切れが生じた場合に、給紙元を再生紙が格納された給紙トレイへ切り替えることを禁止することを特徴とする。[0019]
Also, in the invention of claim 10, according to the invention of claim 7 or 9, the storage means further stores setting of switching permission or non-permission for each of the plurality of paper feed trays, and the switching destination determination means The second sheet feeding tray is determined only when the first tray is set to switch permission.
The invention according to claim 11 is equipped with a plurality of paper feed trays, and when the paper feed tray being fed is out of paper, the paper feed source is switched to another paper feed tray to feed paper. In an image forming apparatus that can use, when the paper runs out while using recycled paper, it is permitted to switch the paper feed source to the paper feed tray in which the recycled paper and the plain paper are stored, and the plain paper is used It is characterized in that switching of a paper feed source to a paper feed tray in which recycled paper is stored is prohibited when paper shortage occurs.

【００２０】
【発明の実施の形態】
以下、この発明に係る画像形成装置の給紙制御方法および装置、画像形成装置の一実施の形態について添付図面を参照して詳細に説明する。[0020]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a sheet feeding control method and apparatus of an image forming apparatus and an image forming apparatus according to the present invention will be described in detail with reference to the attached drawings.

Claims

In a sheet feeding control method of an image forming apparatus having a plurality of sheet feeding trays,
When the sheet quality of the sheet stored in each of the plurality of paper feed trays is stored, and the first paper feed tray serving as the paper feed source among the plurality of paper feed trays becomes unfeedable. Based on the sheet quality of sheets stored in the first sheet feeding tray among other sheet feeding trays of the plurality of sheet feeding trays, a second sheet feeding tray as a new sheet feeding source is determined A sheet feeding method of the image forming apparatus, wherein a sheet feeding tray serving as the sheet feeding source is switched from the first sheet feeding tray to the second sheet feeding tray;

The second sheet feeding tray is
2. The image forming apparatus according to claim 1, wherein the sheet supply tray stores sheets of the same sheet quality as the sheet quality of sheets stored in the first sheet supply tray among the plurality of sheet supply trays. Feed control method of forming apparatus.

Set permission or non-permission of switching for each paper quality of paper,
3. The image forming apparatus according to claim 2, wherein the determination of the second sheet feeding tray is performed only when the sheet quality of sheets stored in the first tray is set to switching permission. Paper feed control method.

The second sheet feeding tray is
Among the plurality of sheet feeding trays, the sheet feeding tray is a sheet feeding tray storing sheets of the sheet quality which is permitted to switch from the sheet quality of sheets stored in the first sheet feeding tray. A sheet feeding control method of an image forming apparatus according to claim 1.

Set permission or non-permission of switching for each of the plurality of paper feed trays,
5. The sheet feeding control method according to claim 2, wherein the determination of the second sheet feeding tray is performed only when the first tray is set to switching permission.

In a sheet feeding control device of an image forming apparatus having a plurality of sheet feeding trays,
Storage means for storing the sheet quality of sheets stored in each of the plurality of sheet feed trays;
When the first sheet feed tray, which is a sheet feed source among the plurality of sheet feed trays, becomes incapable of feeding sheets, the sheet stored in the first sheet feed tray stored in the storage unit Switching destination determining means for determining a second sheet feeding tray as a new sheet feeding source among other sheet feeding trays of the plurality of sheet feeding trays based on the sheet quality;
And a switching unit configured to switch a sheet feeding tray serving as the sheet feeding source from the first sheet feeding tray to the second sheet feeding tray based on the determination of the switching destination determining unit. Feeder of the forming device.

The switching destination determining unit
Among the plurality of sheet feeding trays, a sheet feeding tray storing sheets of the same sheet quality as the sheet quality of sheets stored in the first sheet feeding tray is determined as the second sheet feeding tray. A sheet feeding control device of an image forming apparatus according to claim 6, characterized in that

The storage means is
The setting of switching permission or non-permission for each paper quality of paper is further stored,
The switching destination determining unit
8. The sheet feeding control device according to claim 7, wherein the second tray is determined only when the sheet quality of the sheets stored in the first tray is set to switching permission. .

The switching destination determining unit
Among the plurality of paper feed trays, the second paper feed is a paper feed tray storing paper of a paper quality which is permitted to be switched from the paper quality of the paper stored in the first paper feed tray. 7. The sheet feeding control device of the image forming apparatus according to claim 6, wherein the sheet is determined as a tray.

The storage means is
The setting of switching permission or non-permission for each of the plurality of paper feed trays is further stored,
The switching destination determining unit
10. The sheet feeding control device of the image forming apparatus according to claim 7, wherein the second sheet feeding tray is determined only when the first tray is set to switching permission.

An image forming apparatus having a plurality of sheet feeding trays and capable of switching a sheet feeding source to another sheet feeding tray to feed sheets when sheets run out in the sheet feeding tray being fed.
If the paper runs out while using recycled paper, allow the paper source to switch to the paper tray in which the recycled paper and plain paper are stored,
An image forming apparatus characterized by prohibiting switching of a paper feed source to a paper feed tray in which recycled paper is stored when paper shortage occurs while using plain paper.