| 摘要 |
PROBLEM TO BE SOLVED: To prevent non-uniform conveyance of subsequent sheets without reducing productivity or affecting conveyance of a preceding sheet and image formation even if recording materials are conveyed successively by one driving source, to obtain an excellent image.SOLUTION: In an image forming device having one driving source for driving a cassette pickup roller 17 and a registration roller 18, a paper feed conveyance control part 221 starts controlling conveyance speed of a subsequent sheet supplied after a preceding sheet, which has been supplied earlier from a paper feed position, when a determination is made that a rear end of the preceding sheet has passed through the registration roller 18. |
