Patent ID: 8125665

Claim:
An image processing system comprising: a printing unit configured to print an image; a managing unit configured to manage charging information including a printing remaining amount for determining an amount of print processing that may be performed on the printing unit, which printing remaining amount can be adjusted according to print processing by the printing unit; and a control unit configured to slow down a rate of print processing performed by the printing unit if the printing remaining amount indicated by the charging information is less than a predetermined value, wherein, when the printing unit performs two-sided printing on both sides of print paper, the control unit controls the printing unit to perform the print processing of pages in a same order as a page order of print products to be output if the printing remaining amount is less than the predetermined value, and controls the printing unit to perform the print processing of pages in an order different from the page order of print products to be output if the printing remaining amount is not less than the predetermined value.