Sheet feeding control system and sheet feeding control method

Abstract

To reduce costs while making it easier to move the sheet to a position where it will not be damaged when the drawer unit is pulled out. [Solution] The sheet feeding control system 100 comprises an acquisition unit 91, a first detection unit 92, and a control unit 94. The acquisition unit 91 acquires the size of the sheet to be transported. The first detection unit 92 detects jams in the sheet. When a jam is detected, the control unit 94 executes either a first feeding control or a second feeding control according to the size of the sheet. In the first feeding control, the sheet is moved to a position where it fits inside a drawer unit 5, which has a sheet transport path and can be pulled out from the main body of the image forming apparatus 10 in a direction intersecting the sheet transport direction. In the second feeding control, the sheet is transported to a position where it fits outside the drawer unit 5.

Claims

1. An acquisition unit that acquires the size of the sheet to be transported, A first detection unit for detecting jam in the aforementioned sheet, The control unit, when the jam is detected, performs either a first feed control, which transports the sheet to a position where it fits inside a drawer unit having a sheet transport path and which can be pulled out from the main body of the image forming apparatus in a direction intersecting the sheet transport direction, or a second feed control, which transports the sheet to a position where it fits outside the drawer unit, depending on the size of the sheet. Sheet feeding control system.

2. The control unit executes the second feed control if the length of the sheet in the transport direction is longer than the length of the drawer unit in the transport direction. The sheet feeding control system according to claim 1.

3. When the control unit executes the second feed control, it drives all the transport rollers inside the drawer unit. The sheet feeding control system according to claim 2.

4. The control unit executes either the first feed control or the second feed control if the length of the sheet in the transport direction is shorter than the length of the drawer unit in the transport direction. The sheet feeding control system according to claim 1.

5. The drawer unit has a first conveyor roller located upstream of the center of the drawer unit in the conveying direction, and a second conveyor roller located downstream of the center of the drawer unit in the conveying direction. When the control unit performs the first feed control, it drives the first transport roller and stops the second transport roller. The sheet feeding control system according to claim 4.

6. The drawer unit has a first conveyor roller located upstream of the center of the drawer unit in the conveying direction, and a second conveyor roller located downstream of the center of the drawer unit in the conveying direction. When the control unit executes the second feed control, it stops the first transport roller and drives the second transport roller. The sheet feeding control system according to claim 4.

7. The system further includes a second detection unit that detects the presence or absence of the sheet at a first position upstream of the drawer unit in the transport direction, and at a second position downstream of the drawer unit in the transport direction. When the control unit detects that at least a portion of the sheet is between the first position and the second position, it executes either the first feed control or the second feed control. The sheet feeding control system according to claim 1.

8. The control unit executes the second feed control when a plurality of sheets of different sizes are transported in succession and the acquisition unit acquires the size of each of the plurality of sheets. The sheet feeding control system according to claim 1.

9. An acquisition step to obtain the size of the sheet to be transported, A detection step for detecting jam on the aforementioned sheet, The control step includes, when the jam is detected, executing either a first feed control, which transports the sheet to a position where it fits inside a drawer unit having a sheet transport path and which can be pulled out from the main body of the image forming apparatus in a direction intersecting the sheet transport direction, or a second feed control, which transports the sheet to a position where it fits outside the drawer unit, depending on the size of the sheet. Sheet feeding control method.

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