Patent ID: 8639134

Claim:
An image forming apparatus, comprising: a changing unit configured to change an operation speed during an adjustment operation between a first speed and a second speed lower than the first speed; an adjustment unit configured to perform a first adjustment operation that can be performed at the first speed and a second adjustment operation that can be performed at either of the first speed and the second speed, a control unit configured to control said adjustment unit so as to (a) cause said changing unit to change the operation speed from the second speed to the first speed and perform the first adjustment operation in a case where the first adjustment operation is to be performed during operation at the second speed, (b) perform the second adjustment operation while maintaining the operation speed at the second speed in a case where the second adjustment operation is to be performed during operation at the second speed, and (c) cause said changing unit to change the operation speed from the second speed to the first speed and then perform the first adjustment operation and the second adjustment operation in a case where both the first adjustment operation and the second adjustment operation are to be performed during operation at the second speed.