US 12,366,820 B2
Image forming apparatus
Kazuki Haba, Tokyo (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Kazuki Haba, Tokyo (JP)
Filed on Jan. 9, 2024, as Appl. No. 18/407,471.
Claims priority of application No. 2023-008238 (JP), filed on Jan. 23, 2023; and application No. 2023-199463 (JP), filed on Nov. 24, 2023.
Prior Publication US 2024/0248430 A1, Jul. 25, 2024
Int. Cl. G03G 15/00 (2006.01); G03G 15/20 (2006.01)
CPC G03G 15/607 (2013.01) [G03G 15/2017 (2013.01); G03G 2215/00645 (2013.01); G03G 2215/00679 (2013.01)] 5 Claims
OG exemplary drawing
 
1. An image forming apparatus comprising:
a first sensor to detect at least one of a position of an image on a sheet or a length of the sheet;
a first conveyor upstream or downstream of the first sensor in a conveyance direction, the first conveyor including:
a rubber belt;
a driving roller within the rubber belt to rotate the rubber belt;
a driven roller outside the rubber belt and driven by the rubber belt to convey the sheet in the conveyance direction; and
a second sensor to measure a rotational speed of the driven roller;
a fixing device upstream of the first conveyor in the conveyance direction, the fixing device to fix toner onto the sheet; and
circuitry configured to control the first conveyor to convey the sheet at a target linear speed based on the rotational speed measured by the second sensor.