| 摘要 |
An image forming apparatus configured to form a toner image on a sheet, including: a transfer belt configured to bear and transfer the toner image to the sheet conveyed at given conveying speed; a drive roller configured to drive the transfer belt; a speed detection roller held in contact with the transfer belt and configured to output roller information on rotational speed of the speed detection roller when the speed detection roller rotates as the transfer belt runs; a motor configured to drive the drive roller; a motor speed output portion configured to output motor information on rotational speed of the motor; and a control element configured to control the rotational speed of the motor. |
