Image forming apparatus

摘要

Provided is an image forming apparatus including: a heater heating a fixing member; an acquisition unit acquiring, when an image for one page includes a coded identifier image, information on a range of formation of the coded identifier image on a recording sheet in a sheet-passing direction; a target temperature switching unit switching a target temperature at which temperature of the fixing member is to be maintained at least between a first fixing temperature and a second fixing temperature higher than the first fixing temperature; a controller controlling the heater so that the temperature of the fixing member is maintained at the target temperature, wherein the target temperature switching unit switches the target temperature at a timing such that the temperature of the fixing member is equal to the second fixing temperature while a toner image in the range of formation of the coded identifier image is being fixed.

主权项

1. An image forming apparatus that forms an image by causing a recording sheet on which an unfixed toner image is formed to pass through a fixing nip, and thermally fixing the toner image onto the recording sheet, the fixing nip being formed by pressing a pressing member against a fixing member that is heated, the image forming apparatus comprising:
a heater heating the fixing member; an acquisition unit acquiring, when an image for one page includes a coded identifier image in which coded information is embedded, information on a range of formation of the coded identifier image on the recording sheet, the range being defined in terms of a sheet-passing direction; a target temperature switching unit switching a target temperature, the target temperature being a temperature at which a temperature of the fixing member is to be maintained, and the target temperature being switched at least between a first fixing temperature and a second fixing temperature that is higher than the first fixing temperature; and a controller controlling the heater so that the temperature of the fixing member is maintained at the target temperature to which the target temperature switching unit has switched, wherein the target temperature switching unit switches the target temperature at a timing such that the temperature of the fixing member is equal to the second fixing temperature while a toner image in the range of formation of the coded identifier image is being fixed.