CONTROL DEVICE AND NON-TRANSITORY COMPUTER-READABLE MEDIUM
First Claim
1. A control device of a printing execution mechanism,the printing execution mechanism comprising:
- a printing head having a plurality of nozzles configured to discharge liquid droplets; and
a conveyance mechanism configured to convey a sheet in a conveying direction, the conveyance mechanism comprising;
an upstream holding member provided at a more upstream side than the printing head in the conveying direction, the upstream holding member being configured to hold the sheet; and
a downstream holding member provided at a more downstream side than the printing head in the conveying direction, the downstream holding member being configured to hold the sheet,the printing execution mechanism being configured to perform a printing by alternately executing a partial printing by the printing head and conveyance of the sheet by the conveyance mechanism for a plurality of times,the control device being configured to;
execute first control processing of controlling the printing execution mechanism to perform the printing on a first surface of the sheet, the first control processing comprising;
conveying the sheet to a first position in the conveying direction by the conveyance mechanism, the first position being a position at which;
the sheet is to be held by the upstream holding member;
the sheet is not to be held by the downstream holding member; and
a downstream end of the sheet is located between the upstream holding member and the downstream holding member; and
starting the printing on the first surface of the sheet by executing the partial printing on the first surface of the sheet located at the first position by the printing head after the sheet is conveyed to the first position in the first control processing; and
execute second control processing of controlling the printing execution mechanism to perform the printing on a second surface of the sheet after the first control processing is executed, the second control processing comprising;
conveying the sheet to a second position in the conveying direction by the conveyance mechanism, the second position being a position at which;
the sheet is to be held by the upstream holding member;
the sheet is not to be held by the downstream holding member; and
the downstream end of the sheet is located at a more upstream side than the downstream end of the sheet located at the first position; and
starting the printing on the second surface of the sheet by executing the partial printing on the second surface of the sheet located at the second position by the printing head after the sheet is conveyed to the second position in the second control processing.
1 Assignment
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Accused Products
Abstract
A control device of a printing execution mechanism executing: first control processing including: conveying a sheet to a first position at which the sheet is held by an upstream holding member of the conveyance mechanism, is not held by a downstream holding member of the conveyance mechanism, and a downstream end of the sheet is located between the upstream and downstream holding members; and printing on a first surface of the sheet; and second control processing including: conveying the sheet to a second position at which the sheet is held by the upstream holding member, is not held by the downstream holding member, and the downstream end of the sheet is located at a more upstream side than the downstream end of the sheet located at the first position; and printing on a second surface of the sheet.
4 Citations
19 Claims
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1. A control device of a printing execution mechanism,
the printing execution mechanism comprising: -
a printing head having a plurality of nozzles configured to discharge liquid droplets; and a conveyance mechanism configured to convey a sheet in a conveying direction, the conveyance mechanism comprising; an upstream holding member provided at a more upstream side than the printing head in the conveying direction, the upstream holding member being configured to hold the sheet; and a downstream holding member provided at a more downstream side than the printing head in the conveying direction, the downstream holding member being configured to hold the sheet, the printing execution mechanism being configured to perform a printing by alternately executing a partial printing by the printing head and conveyance of the sheet by the conveyance mechanism for a plurality of times, the control device being configured to; execute first control processing of controlling the printing execution mechanism to perform the printing on a first surface of the sheet, the first control processing comprising; conveying the sheet to a first position in the conveying direction by the conveyance mechanism, the first position being a position at which; the sheet is to be held by the upstream holding member; the sheet is not to be held by the downstream holding member; and a downstream end of the sheet is located between the upstream holding member and the downstream holding member; and starting the printing on the first surface of the sheet by executing the partial printing on the first surface of the sheet located at the first position by the printing head after the sheet is conveyed to the first position in the first control processing; and execute second control processing of controlling the printing execution mechanism to perform the printing on a second surface of the sheet after the first control processing is executed, the second control processing comprising; conveying the sheet to a second position in the conveying direction by the conveyance mechanism, the second position being a position at which; the sheet is to be held by the upstream holding member; the sheet is not to be held by the downstream holding member; and the downstream end of the sheet is located at a more upstream side than the downstream end of the sheet located at the first position; and starting the printing on the second surface of the sheet by executing the partial printing on the second surface of the sheet located at the second position by the printing head after the sheet is conveyed to the second position in the second control processing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A control device of a printing execution mechanism,
the printing execution mechanism comprising: -
a printing head having a plurality of nozzles configured to discharge liquid droplets; and a conveyance mechanism configured to convey a sheet in a conveying direction, the conveyance mechanism comprising; an upstream holding member provided at a more upstream side than the printing head in the conveying direction, the upstream holding member being configured to hold the sheet; and a downstream holding member provided at a more downstream side than the printing head in the conveying direction, the downstream holding member being configured to hold the sheet, the printing execution mechanism being configured to perform a printing by alternately executing a partial printing by the printing head and conveyance of the sheet by the conveyance mechanism for a plurality of times, the control device being configured to; execute first control processing of controlling the printing execution mechanism to perform the printing on a first surface of the sheet, the first control processing comprising; conveying the sheet to a first position in the conveying direction by the conveyance mechanism; and starting the printing on the first surface by executing the partial printing on the first surface of the sheet located at the first position by using N1 nozzles of the plurality of nozzles by the printing head after the sheet is conveyed to the first position in the first control processing, where N1 is an integer of 2 or greater; and execute second control processing of controlling the printing execution mechanism to perform the printing on a second surface of the sheet after the first control processing is executed, the second control processing comprising; conveying the sheet to a second position in the conveying direction by the conveyance mechanism; and starting the printing on the second surface by executing the partial printing on the second surface of the sheet located at the second position by using N2 nozzles of the plurality of nozzles by the printing head after the sheet is conveyed to the second position in the second control processing, where N2 is an integer of 1 or greater and less than N1, wherein the first position and the second position are positions at which; the sheet is to be held by the upstream holding member; the sheet is not to be held by the downstream holding member; and a downstream end of the sheet is located between the upstream holding member and the downstream holding member.
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18. A non-transitory computer-readable medium having a computer program for controlling a printing execution mechanism stored thereon and readable by a computer,
the printing execution mechanism comprising: -
a printing head having a plurality of nozzles configured to discharge liquid droplets; and a conveyance mechanism configured to convey a sheet in a conveying direction, the conveyance mechanism comprising; an upstream holding member provided at a more upstream side than the printing head in the conveying direction, the upstream holding member being configured to hold the sheet; and a downstream holding member provided at a more downstream side than the printing head in the conveying direction, the downstream holding member being configured to hold the sheet, the printing execution mechanism being configured to perform a printing by alternately executing a partial printing by the printing head and conveyance of the sheet by the conveyance mechanism for a plurality of times, the computer program, when executed by the computer, causes the computer to perform operations comprising; executing first control processing of controlling the printing execution mechanism to perform the printing on a first surface of the sheet, the first control processing comprising; conveying the sheet to a first position in the conveying direction by the conveyance mechanism, the first position being a position at which; the sheet is to be held by the upstream holding member; the sheet is not to be held by the downstream holding member; and a downstream end of the sheet is located between the upstream holding member and the downstream holding member; and starting the printing on the first surface by executing the partial printing on the first surface of the sheet located at the first position by the printing head after the sheet is conveyed to the first position in the first control processing; and executing second control processing of controlling the printing execution mechanism to perform the printing on a second surface of the sheet after the first control processing is executed, the second control processing comprising; conveying the sheet to a second position in the conveying direction by the conveyance mechanism, the second position being a position at which; the sheet is to be held by the upstream holding member; the sheet is not to be held by the downstream holding member; and the downstream end of the sheet is located at a more upstream side than the downstream end of the sheet located at the first position; and starting the printing on the second surface by executing the partial printing on the second surface of the sheet located at the second position by the printing head after the sheet is conveyed to the second position in the second control processing.
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19. A non-transitory computer-readable medium having a computer program for controlling a printing execution mechanism stored thereon and readable by a computer,
the printing execution mechanism comprising: -
a printing head having a plurality of nozzles configured to discharge liquid droplets; and a conveyance mechanism configured to convey a sheet in a conveying direction, the conveyance mechanism comprising; an upstream holding member provided at a more upstream side than the printing head in the conveying direction, the upstream holding member being configured to hold the sheet; and a downstream holding member provided at a more downstream side than the printing head in the conveying direction, the downstream holding member being configured to hold the sheet, the printing execution mechanism being configured to perform a printing by alternately executing a partial printing by the printing head and conveyance of the sheet by the conveyance mechanism for a plurality of times, the computer program, when executed by the computer, causes the computer to perform operations comprising; executing first control processing comprising controlling the printing execution mechanism to perform the printing on a first surface of the sheet, the first control processing comprising; conveying the sheet to a first position in the conveying direction by the conveyance mechanism; and starting the printing on the first surface by executing the partial printing on the first surface of the sheet located at the first position by using N1 nozzles of the plurality of nozzles by the printing head after the sheet is conveyed to the first position in the first control processing, where N1 is an integer of 2 or greater; and executing second control processing of controlling the printing execution mechanism to perform the printing on a second surface of the sheet after the first control processing is executed, the second control processing comprising; conveying the sheet to a second position in the conveying direction by the conveyance mechanism; and starting the printing on the second surface by executing the partial printing on the second surface of the sheet located at the second position in the conveying direction by using N2 nozzles of the plurality of nozzles by the printing head after the sheet is conveyed to the second position in the second control processing, where N2 is an integer of 1 or greater and less than N1, wherein the first position and the second position are positions at which; the sheet is to be held by the upstream holding member; the sheet is not to be held by the downstream holding member; and a downstream end of the sheet is located between the upstream holding member and the downstream holding member.
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Specification