| CPC G03G 15/50 (2013.01) [G03G 21/0011 (2013.01)] | 9 Claims |
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1. An image forming apparatus comprising:
a rotatable image bearing member configured to bear a toner image on a surface thereof;
a transfer member configured to transfer the toner image from the image bearing member rotating in a normal rotational direction onto a toner image receiving member in a transfer portion;
a cleaning blade forming a contact portion in contact with the surface of the image bearing member and configured to remove toner from the surface of the image bearing member rotating in the normal rotational direction;
a driving portion capable of rotating the image bearing member in the normal rotational direction and a reverse rotational direction opposite to the normal rotational direction; and
a controller capable of controlling the driving portion so as to perform a normal rotating operation which is a rotating operation of the image bearing member in the normal rotational direction and a reverse rotating operation of the image bearing member in the reverse rotational direction,
wherein the controller is capable of executing an operation in a mode in which the following series of operations is performed when a job for transferring the toner image from the image bearing member onto the toner image receiving member is ended and in which rotation of the image bearing member is stopped after the series of operations is performed,
wherein the series of operations is an operation in which an operation such that the normal rotating operation is performed after the reverse rotating operation is performed is executed a plurality of times, and includes a first reverse rotating operation which is the reverse rotating operation executed first in the reverse rotating operations executed in the series of operations, a first normal rotating operation which is the normal rotating operation executed subsequently to the first reverse rotating operation, a second reverse rotating operation executed finally in the reverse rotating operations of the series of operations, and a second normal rotating operation executed subsequently to the second reverse rotating operation, and
wherein when a position of the image bearing member positioned in the contact portion at a time of an end of the first reverse rotating operation is a first position, the controller controls the driving portion so that the first position is not returned to the contact portion from an end of the first normal rotating operation to an end of the second normal rotating operation and so that a movement amount of the image bearing member in the second normal rotating operation is smaller than a movement amount of the image bearing member in the second reverse rotating operation.
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