Image Forming Apparatus

摘要

An image forming apparatus is provided. The image forming apparatus includes an image carrier, a conveyance belt which conveys a recording sheet via a position opposing the image carrier, a belt cleaner which removes adhered matters on the conveyance belt, a driving unit which drives the image carrier and the conveyance belt, a bias applying unit which applies a cleaning bias to the belt cleaner, and a controller which controls the driving unit and the bias applying unit such that when the image carrier is driven at a first speed, the cleaning bias is applied to the belt cleaner, and when the image carrier is driven at a second speed slower than the first speed, the cleaning bias is not applied to the belt cleaner.

主权项

1. An image forming apparatus comprising:
an image carrier configured to carry a developer image; a conveyance belt configured to convey a recording sheet via a position opposing the image carrier; a cleaning roller configured to contact the conveyance belt to remove adhered matters adhered on the conveyance belt; a collecting member configured to collect adhered matters adhered on the cleaning roller by current flowing between the cleaning roller and the collecting member; and a controller configured to control an amount of the current flowing between the cleaning roller and the collecting member, wherein the controller decreases the current flowing between the cleaning roller and the collecting member when a base time elapses after a printing operation starts, even before the printing operation ends.