Patent ID: 11927902
Assignee: TOSHIBA TEC KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The image forming apparatus according to claim 1, wherein the processor is configured to:
set the predetermined range to include a first predetermined range for which the temperature difference is 10° C. or higher but less than 20° C. and a second predetermined range in which the temperature difference is 20° C. or higher;
output, to the display unit, information to request checking of an inside of the fixing unit if the temperature difference between the first difference and the second difference is within the first predetermined range;
output, to the display unit, information predicting a required maintenance time for the fixing unit if the temperature difference between the first difference and the second difference is within the first predetermined range and the temperature difference occurs continuously for a set number of days or more; and
output, to the display unit, information to request execution of maintenance for the fixing unit if the temperature difference between the first difference and the second difference is within the second predetermined range.