Patent ID: 9302526
Filing Date: 2016-04-05
CPC Classification: B41J,B41M

Claim Text:
1. An image erasing apparatus comprising: a reading unit configured to read one or more identifiers printed on each of first and second surfaces of a sheet; an erasing unit configured to erase an image formed with a decolorable material on the sheet; a sheet storage unit; a conveying unit configured to convey the sheet through the reading unit and the erasing unit to the sheet storage unit and turn over the sheet while conveying the sheet; and a control unit configured to determine a first number of times the first surface of the sheet has been subjected to an erasing process and a second number of times the second surface of the sheet has been subjected to the erasing process, based on the identifiers read by the reading unit, control the conveying unit to turn over the sheet when the first number of times is smaller than the second number of times, and control the conveying unit to convey the sheet without turning over the sheet when the first number of times is greater than the second number of times.