Patent ID: 9533525
Date: 2017-01-03
CPC Classifications: B41M,G03G

Claim:
1. An image forming apparatus comprising: an image forming section configured to form an image on a sheet with decolorable color material; a heating section configured to heat the sheet; a first transporting section configured to transport the sheet from the image forming section to the heating section; a second transporting section configured to transport the sheet from the heating section to the first transporting section; and a control section configured to control the image forming section to form a diagnosis image having a predefined pattern on a diagnosis sheet, control the first transporting section to transport the diagnosis sheet to the heating section, and control the heating section to set a temperature thereof to a fixing temperature to fix the diagnosis image formed of the decolorable color material on the diagnosis sheet, and thereafter to control the second transporting section to transport the diagnosis sheet on which the diagnosis image is fixed by the heating section to the first transporting section, and control the heating section to set the temperature thereof to a decoloring temperature for the decolorable color material to decolor the diagnosis image fixed on the diagnosis sheet.