Patent ID: 7978992

Claim:
An image forming apparatus comprising: an image forming part for forming an image on a printing medium based on image data; a stabilization processing part for executing a stabilization process for stabilizing image formation carried out by said image forming part, said stabilization process including a first stabilization process and a second stabilization process; an instruction part for accepting, from a user, an instruction to execute said stabilization process; a controller for controlling said stabilization process; a first counter for counting an execution frequency of said second stabilization process; and a setting part for setting a frequency level of execution of said first stabilization process, wherein said controller controls said stabilization processing part and said setting part to (i) make first determination whether to execute said stabilization process and execute said first stabilization process at a timing based on the first determination; (ii) execute said second stabilization process at a timing based on said instruction accepted by said instruction part; and (iii) change the frequency level of execution of said first stabilization process, based on the execution frequency of said second stabilization process.