Image forming apparatus

摘要

An image forming apparatus includes a control unit configured to control a cleaning operation of rotating an intermediate transfer member to remove an adjustment toner image, which is formed on an image bearing member and attached to the intermediate transfer member during an adjustment operation, at a cleaning portion where toner is electrostatically removed. The control unit is configured to change the number of times of rotating the intermediate transfer member to convey the adjustment toner image on the intermediate transfer member to the cleaning portion according to at least one of a density and a length in a conveyance direction of the intermediate transfer member regarding the adjustment toner image on the intermediate transfer member before being conveyed to the cleaning portion.

主权项

1. An image forming apparatus comprising:
an image bearing member configured to bear a toner image; a movable intermediate transfer member configured to temporarily bear the toner image that is transferred from the image bearing member at a first transfer portion and then transferred onto a recording medium at a second transfer portion; a cleaning member disposed opposing the intermediate transfer member on a downstream side of the second transfer portion and on an upstream side of the first transfer portion in a movement direction of the intermediate transfer member, and configured to electrostatically remove toner on the intermediate transfer member at a cleaning portion; a forming portion configured to form, on the intermediate transfer member, an adjustment toner image having a predetermined target density and a predetermined length in the movement direction of the intermediate transfer member; a detection portion configured to detect the adjustment toner image formed on the intermediate transfer member; a change portion configured to change an image forming condition according to a detection result of the detection portion; and an execution portion configured to move the intermediate transfer member to cause a region on the intermediate transfer member that corresponds to a position at which the adjustment toner image is formed to pass through the cleaning portion, wherein the execution portion sets the number of times of repeatedly causing the region to pass through the cleaning portion based on at least one of the target density and the length of the adjustment toner image.