Image forming apparatus having a fixing speed and a movement speed of the recording medium variably synchronized in accordance with a type of recording medium

An image forming apparatus, comprising:

• a recording-medium carrying member rotating at a first speed while carrying a recording medium onto which an image is formed;
• fixing means for fixing the image on the recording medium, said fixing means being capable of performing a fixing operation at one of at least a first and a second fixing speeds;
• and
• control means for controlling an operation of said apparatus in one of a first and a second operation modes,
• wherein, in a first operation, the recording medium is separated from said recording-medium carrying member rotating at the first speed and is fixed by said fixing means at a first fixing speed, and in a second operation mode, said recording-medium carrying member is rotated at least one more rotation than in the first operation mode, and after a rotational speed is changed from the first speed to a second speed during said at least one rotation, the recording medium is separated from said recording-medium carrying member and is fixed by said fixing means at the second fixing speed.

An image forming apparatus comprising:

• means for forming an image onto a recording medium at an image forming position;
• means for feeding a recording medium to the image forming position, said feeding means capable of feeding a recording medium cyclically;
• and
• means for fixing the image formed on the recording medium,
• wherein said apparatus has a first mode, in which a recording medium, on which an image is formed, is refed to the image forming position without forming an image thereon at the image forming position and has a feeding speed which is changed during the refeeding, so that the recording medium is supplied to the fixing means at a first speed corresponding to the changed feeding speed.