Patent ID: 9469130
Filing Date: 2016-10-18
CPC Classification: B41J,G03G,G06K

Claim Text:
1. An image forming apparatus comprising: a conveying unit conveying a paper; an image forming unit forming an image on an image carrier and printing the image on the paper being conveyed by the conveying unit; and a control unit controlling the image forming apparatus, wherein when a progress state of the image forming apparatus reaches a first reference according to the progress state, the control unit can perform maintenance operation of performing maintenance by forming an image for maintenance on the image carrier of the image forming unit, after interrupting the printing based on a job if the job is being executed, and when a job using continuous paper is to be executed, the control unit determines whether the progress state exceeds a second reference before the job is completed prior to the maintenance operation, and, if the progress state exceeds the second reference, issues an alarm regarding the interruption.