Patent ID: 8899740

Claim:
A print medium conveyance device comprising: a first conveyance mechanism that sequentially engages engagement holes formed aligned in a print medium and conveys the print medium in a specific conveyance direction; a second conveyance mechanism that is disposed on a downstream side of the first conveyance mechanism in the conveyance direction, and has a friction layer containing an inorganic particle dispersion formed on the surface; a drive power source that drives the first conveyance mechanism and second conveyance mechanism; a clutch mechanism that is disposed between the drive power source and the first conveyance mechanism, and interrupts transfer of drive power at least in part from the drive power source to the first conveyance mechanism under a specific condition; and a control unit that causes the first conveyance mechanism to follow the second conveyance mechanism by interrupting transfer of drive power from the drive power source to the first conveyance mechanism under a specific condition, wherein: the first conveyance mechanism conveys the print medium at a faster speed than the conveyance speed of the second conveyance mechanism when conveying the print medium in reverse to an upstream side of the conveyance direction.