Conveyance apparatus of web being print medium

A conveyance apparatus comprising:

• a conveyance roller configured to convey a web and arranged downstream of an inkjet head for ejecting ink to the web in a conveyance direction of the web;
• a conveyance motor configured to drive the conveyance roller;
• a back tension roller arranged upstream of the inkjet head in the conveyance direction and configured to apply a tension to the web;
• a conveyance speed detector configured to detect a conveyance speed of the web;
• a brake configured to apply a braking force to the back tension roller;
• and
• a controller configured to control the conveyance motor and the brake,
• wherein the controller is configured to
• based on the conveyance speed of the web detected by the conveyance speed detector, control a value of a drive control parameter of the conveyance motor such that the conveyance speed of the web is equal to a target speed, and
• based on an output torque of the conveyance motor corresponding to the value of the drive control parameter, adjust the braking force of the brake such that the tension of the web is equal to a target tension.