Title:
IMAGE FORMING DEVICE
Document Type and Number:
Japanese Patent JP2019073395
Kind Code:
A
Abstract:
To provide an image forming device that can accurately align the position of a sheet even when the transportation load of the sheet varies during the sheet position control.SOLUTION: The image forming device includes: a secondary transfer roller 229; a paper stop roller 240; a paper stop sensor 241 that detects the arrival of a recording material; a conveyance roller 239; a motor 300 that drives the paper stop roller 240 and the conveyance roller 239; and a printer control part 303. The printer control part 303 controls the motor 300 (S108) so as to change conveyance speed of the recording material by the paper stop roller 240 based on information (S104) related to timing when the paper stop sensor 241 detects the recording material and information (S106) related to variance in conveyance load on the paper stop roller 240.SELECTED DRAWING: Figure 4
Inventors:
SHOJI RYUHEI
MURAMATSU MOTOYASU
MACHII EMI
MURAMATSU MOTOYASU
MACHII EMI
Application Number:
JP2019000841A
Publication Date:
May 16, 2019
Filing Date:
January 07, 2019
Export Citation:
Assignee:
CANON KK
International Classes:
B65H9/00; B65H5/06; B65H7/02; G03G15/00; G03G21/14
Domestic Patent References:
| JP2010066312A | 2010-03-25 | |||
| JPH03119854U | 1991-12-10 | |||
| JP2000238934A | 2000-09-05 | |||
| JPH08217291A | 1996-08-27 | |||
| JP2013147351A | 2013-08-01 |
Foreign References:
| US6519443B1 | 2003-02-11 |
Attorney, Agent or Firm:
Toshikazu Kaji
Eiko Nakamura
Eiko Nakamura