Printing device with mixed sheet stacking control
AssigneeCanon Kabushiki Kaisha
InventorMasahiro Mutsuno
Life of this patent
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Abstract
A technique by which when printing is initiated, printed sheets remaining in a large-volume stacker and sheets printed in a subsequent job are not mixed in the large-volume stacker is provided. A printing system in which a printing apparatus and a post-processing apparatus for receiving a sheet printed by the printing apparatus and performing post-processing are connected, upon activation of the printing system, when detecting that a sheet is stacked in the post-processing apparatus, instructs the processing apparatus to discharge the remaining sheet.
Claims8
A printing apparatus comprising:
- a printer configured to print an image on a sheet based on a print job;
- a stacker capable of stacking the sheet having been conveyed from the printer;
- a detection unit configured to detect an existence or an absence of the sheet in the stacker;
- and
- a controller configured to, when the printing apparatus is powered on, control the stacker to execute an eject process for ejecting the sheet in the stacker based on the existence of the sheet in the stacker being detected by the detection unit, wherein the eject process is executed without an execution request for a print job.
A method of controlling a printing apparatus having a stacker capable of stacking sheets, the method comprising:
- conveying the sheet from the printer to a stacker;
- stacking the sheet on the stacker;
- detecting an existence or an absence of the sheet is stacked in the stacker;
- and
- when the printing apparatus is powered on, controlling the stacker to execute an eject process for ejecting the sheet in the stacker based on the existence of the detected sheet in the stacker, wherein the eject process is executed without an execution request for a print job.
A non-transitory computer-readable storage medium storing a computer program for causing a computer to execute a method of controlling a printing apparatus having a stacker capable of stacking sheets, the method comprising:
- conveying the sheet from the printer to a stacker;
- stacking the sheet on the stacker;
- detecting an existence or an absence of the sheet in the stacker;
- and
- when the printing apparatus is powered on, controlling the stacker to execute an eject process for ejecting the sheet in the stacker based on the existence of the detected sheet in the stacker, wherein the eject process is executed without an execution request for a print job.
Dependencies are inferred from the claim text.