Image forming apparatus

An image forming apparatus comprising:

• an image forming portion configured to form an image on a recording material with toner based on an image data;
• a fixing portion configured to fix the image onto the recording material by applying heat to the recording material on which the image is formed by the image forming portion;
• a generating portion configured to generate the image data and generate an attribute data indicating an attribute of the image data and indicating whether or not the image data includes at least a character;
• a compressing portion configured to compress the image data and generate a compressed image data, and configured to compress the attribute data and generate a compressed attribute data;
• a setting portion configured to analyze the compressed attribute data corresponding to the image for one page, which is to be formed on one sheet of the recording material, in a state of being compressed, and configured to set a target temperature of the fixing portion at a time when the image for the one page is fixed onto the recording material based on an analyzing result;
• and
• a controller configured to control the fixing portion based on the target temperature set by the setting portion.