Image forming apparatus with recovery printing function that allows user to designate recovery printing starting page

摘要

An image forming apparatus includes a print processing part that executes print processing of print data on a continuous print medium; an operation part to which an instruction is input and that displays information; a storage part that stores page IDs for identifying pages of the print data and characteristic image data of the pages; and a control part that controls recovery printing after a restoration from a print processing error. When the control part executes the recovery printing, the operation part displays the page IDs of pages in a selectable manner and the characteristic image data of the page which corresponds to at least one of the page IDs, when one of the page IDs is selected, the recovery printing is initiated from the page that is designated by the selected page ID.

主权项

1. An image forming apparatus comprising:
a print processing part that executes print processing of print data on a continuous print medium; an operation part to which an instruction is input and that displays information; a storage part that stores page IDs for identifying pages of the print data and characteristic image data of the pages; a control part that controls recovery printing after a restoration from a print processing error, and a difference data detecting part that creates difference data for each page based on preceding and succeeding pages of the each page, wherein when the control part executes the recovery printing, the operation part displays a page ID of the page at which the print processing error was detected as a default selection position and a plurality of page IDs of pages that precede the page at which the print processing error was detected in a selectable manner and the characteristic image data of the page which corresponds to at least one of the page IDs, when one of the page IDs is selected, the recovery printing is initiated from the page that is designated by the selected page ID and resumes the execution of print processing of remaining print data, and the difference data includes the characteristic image data of the each page.