Patent ID: 9665043
Date: 2017-05-30
CPC Classifications: G03G

Claim:
1. An image forming apparatus comprising: a movable image bearing member configured to carry toner images; a toner image formation unit configured to form toner images on said image bearing member; a rotatable roller configured to form a transfer portion for transferring the toner images from said image bearing member onto transfer materials in contact with said image bearing member; a controller configured to execute continuous image formation for continuously transferring the toner images onto transfer materials supplied to said transfer portion, said controller causing said toner image formation unit to form an adjustment toner image not to be transferred onto the transfer material in a region between adjacent transfer materials in the continuous image formation, the region being on said image bearing member between transfer material regions on said image bearing member which contact the transfer material in said transfer portion, wherein said controller executes the continuous image formation selectively in a first mode in which a portion of said roller contacting the adjustment toner image is contacted to the transfer material supplied to said transfer portion, after one full rotation of said roller, immediately after the adjustment toner image, or in a second mode in which a portion of said roller contacting the adjustment toner image is contacted to a portion of said image bearing member in the region between the transfer materials where the adjustment toner image is formed after one full rotation of said roller.