Image forming apparatus that controls way of discharging sheet bundles, control method for image forming apparatus, and storage medium
a technology of image forming apparatus and discharging tray, which is applied in the direction of electrographic process, instruments, transportation and packaging, etc., can solve the problems of low productivity and time and effort required to remove printed matter from the discharging tray, and achieve the effect of preventing the discharge of printed matter
Inactive Publication Date: 2016-02-04
CANON KK
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Benefits of technology
The present invention is an image forming apparatus and control method that can prevent printed matter from being discharged in an unintended way. It detects the state of the stopper on the discharging tray where printed matter is stacked, and based on this information, notification is given to the user to prevent such discharges. This results in a safer and more reliable printing process.
Problems solved by technology
This is contrary to the intention of the user who desired to hold the sheet bundle on the discharging tray using the stopper.
This requires time and effort to remove printed matter from the discharging tray.
Further, if a user temporarily stays away from the image forming apparatus after printing is started, printing cannot be resumed when printing is suspended, and the state of suspension continues until the user comes back, resulting in low productivity.
Method used
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[0023]The present invention will now be described in detail with reference to the drawings showing an embodiment thereof.
[0024]FIG. 1 is a block diagram schematically showing an arrangement of an image forming system 100 including an image forming apparatus 101 according to an embodiment of the present invention.
[0025]The image forming system 100 in FIG. 1 has the image forming apparatus 101 and a computer terminal 102, and the image forming apparatus 101 and the computer terminal 102 are connected together via a network 103. A user operates the computer terminal 102 to instruct the image forming apparatus 101 to, for example, execute print job.
[0026]FIG. 2 is a block diagram schematically showing an internal arrangement of the image forming apparatus 101 in FIG. 1.
[0027]The image forming apparatus 101 in FIG. 2 has a scanner unit 201, a printer unit 202, an operating unit 203, a controller 204, and a finisher unit 205, and the controller 204 has a CPU 206, a work memory 207, an ima...
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Abstract
An image forming apparatus which is capable of preventing printed matter from being discharged in a way that is not intended by a user. A printer unit prints an image on a sheet. A sheet bundle including a sheet on which the image has been printed by the printer unit is conveyed and stacked on a discharging tray, which has a stopper that prevents the stacked sheet bundle from falling down to the floor. A state of the stopper is detected, and based on the detected state, notification is provided to the user.
Description
BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates to an image forming apparatus, a control method for the image forming apparatus, and a storage medium.[0003]2. Description of the Related Art[0004]Conventionally, image forming apparatuses are known which have a discharging tray onto which bundles of recording sheets that have been subjected to a saddle-stitching process are discharged (hereafter referred to as “sheet bundles”) (see, for example, Japanese Laid-Open Patent Publication (Kokai) No. 2010-168134). The discharging tray has a stopper, which holds sheet bundles discharged from an image forming apparatus on the discharging tray to prevent the sheet bundles from falling down to the floor.[0005]In the case where the discharging tray is equipped with the stopper described above, the discharging tray becomes full and printing is suspended when printed matter more than a predetermined number of sheets (a predetermined number of bundles) ...
Claims
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IPC IPC(8): B65H31/22B65H26/00B65H39/10
CPCB65H26/00B65H31/22B65H39/10B65H31/02B65H43/06B65H2301/4212B65H2405/1124B65H2701/18271B65H31/24B65H2404/692B65H2405/11152B65H2511/30B65H2801/06G03G15/502G03G15/6544B65H2220/01
Inventor MORI, JUNICHI
Owner CANON KK