IMAGE FORMING APPARATUS
First Claim
1. An image forming apparatus that conveys a sheet and forms an image on the sheet, the image forming apparatus comprising:
- a plurality of rollers that are arranged at different positions from one another in a conveyance path of the sheet, and convey the sheet;
a motor that rotationally drives at least one of the rollers;
a drive that drives the motor by applying a current to the motor; and
a hardware processor that determines whether a jam has occurred and a jam type, in accordance with a change in the current flowing in the motor in a period during which the sheet is expected to pass through a target roller being rotationally driven by the motor among the rollers.
1 Assignment
0 Petitions
Accused Products
Abstract
An image forming apparatus that conveys a sheet and forms an image on the sheet, the image forming apparatus includes: a plurality of rollers that are arranged at different positions from one another in a conveyance path of the sheet, and convey the sheet; a motor that rotationally drives at least one of the rollers; a drive that drives the motor by applying a current to the motor; and a hardware processor that determines whether a jam has occurred and a jam type, in accordance with a change in the current flowing in the motor in a period during which the sheet is expected to pass through a target roller being rotationally driven by the motor among the rollers.
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Citations
11 Claims
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1. An image forming apparatus that conveys a sheet and forms an image on the sheet, the image forming apparatus comprising:
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a plurality of rollers that are arranged at different positions from one another in a conveyance path of the sheet, and convey the sheet; a motor that rotationally drives at least one of the rollers; a drive that drives the motor by applying a current to the motor; and a hardware processor that determines whether a jam has occurred and a jam type, in accordance with a change in the current flowing in the motor in a period during which the sheet is expected to pass through a target roller being rotationally driven by the motor among the rollers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification