Patent ID: 8020959

Claim:
An image forming apparatus comprising: an image processing control unit configured to process image information received from an external device; a carriage configured to move in a main scanning direction according to a control signal received from the image processing control unit and including a nozzle configured to discharge an ink onto a recording medium; a conveyance unit configured to convey the recording medium in a sub-scanning direction; and a conveyance failure detection unit configured to detect a conveyance failure of the recording medium conveyed by the conveyance unit, the image processing control unit configured to determine a type of the conveyance failure among a plurality of types of conveyance failures based on recording medium information outputted from the conveyance failure detection unit and load information indicating a change in motor output, the image processing control unit configured to transmit a conveyance failure correction signal according to the determined type in order to perform an operation for retracting the carriage to a position in the main scanning direction, wherein the conveyance failure correction signal is set to repeat the operation for retracting the carriage for a number of times.