发明名称 |
Image forming apparatus, image forming method, and non-transitory computer-readable medium storing image forming program |
摘要 |
There is provided an image forming apparatus, including: an image forming unit; a sheet detector positioned on a sheet conveyance path at an upstream side of the image forming unit; a conveyance belt; an image detector; and a controller. The controller is configured to perform: detecting a front end of the sheet; forming a mark image to extend over the conveyance belt and the sheet; detecting the mark image; measuring a mark conveyance time; obtaining a time elapsed based on the mark conveyance time; and forming the image when the obtained time passes from the front end of the sheet is detected. |
申请公布号 |
US9083836(B2) |
申请公布日期 |
2015.07.14 |
申请号 |
US201414564391 |
申请日期 |
2014.12.09 |
申请人 |
BROTHER KOGYO KABUSHIKI KAISHA |
发明人 |
Inoue Masafumi;Iwama Noritaka |
分类号 |
H04N1/00;B65H7/20;B65H1/00;B65H7/06;H04N1/12;H04N1/32;B65H5/02 |
主分类号 |
H04N1/00 |
代理机构 |
Merchant & Gould PC |
代理人 |
Merchant & Gould PC |
主权项 |
1. An image forming apparatus, comprising:
a body having an image forming unit; the image forming unit being configured to form an image on a sheet; a sheet detector positioned on a sheet conveyance path at an upstream side of the image forming unit; a conveyance belt configured to convey the sheet; an image detector configured to detect an image formed on the conveyance belt; and a controller, wherein the controller is configured to perform: detecting a front end of the sheet by the sheet detector; forming a mark image to extend over the conveyance belt and the sheet conveyed by the conveyance belt; detecting the mark image on the conveyance belt by the image detector; measuring a mark conveyance time which is a time elapsed after a front end of the sheet is detected by the sheet detector until a rear end of the mark image is detected by the image detector; obtaining a time elapsed based on the mark conveyance time; and forming the image by the image forming unit, when the obtained time passes from the front end of the sheet is detected by the sheet detect. |
地址 |
Nagoya-Shi, Aichi-Ken JP |