Keating & Bennett, LLP
Image forming apparatus, transfer current control method and storage medium
An image forming apparatus includes a transfer belt that is stretched over a plurality of rollers to be circumferentially moved, a transfer roller, a transfer power supply, etc., and transfers a toner image formed on an image carrying member to a recording medium using the transfer belt. The image forming apparatus includes a transfer current control unit that measures a use situation of the transfer belt and controls a transfer current to be supplied to the transfer roller based on the use situation. Since re-transfer of a toner is prevented by controlling the transfer current that flows into the transfer roller based on the use situation of the transfer belt, it is possible to prevent, without extending preliminary operation time of the transfer belt, a poor image due to a contact trace that occurs on the transfer belt.
Sharp Kabushiki Kaisha
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Yudai
Teramoto