Inkjet recording apparatus

An inkjet recording apparatus comprising:

• a recording head having a plurality of nozzles that eject ink;
• an endless conveyor belt that conveys a recording medium to a position facing the recording head, and has a plurality of openings in a conveyance direction of the recording medium through which the ink passes when the recording head executes flushing by ejecting ink at a time different from the time that contributes to image formation on the recording medium;
• a pair of registration rollers that supply the recording medium onto the endless conveyor belt;
• a first detection sensor that detects a recording medium, by being positioned on an upstream side of the pair of registration rollers in a supply direction of the recording medium;
• a second detection sensor that detects a position of an opening of the conveyor belt;
• and
• a controller that controls the recording head and the pair of registration rollers, wherein
• the controller determines whether the recording medium supplied onto the conveyor belt by the pair of registration rollers is placed on the conveyor belt coinciding with an opening that is moved due to traveling of the conveyor belt based on a detection result of the trailing edge of the recording medium by the first detection sensor and a detection result of the opening by the second detection sensor, and controls the execution of flushing by the recording head and controls supply of a subsequent recording medium by the pair of registration rollers onto the conveyor belt, based on a result of the determination, wherein
• when the opening is set as a first opening, when a point where the recording medium supplied toward the conveyor belt by the pair of registration rollers merges with the conveyor belt is a merging position, and a conveyance distance of the recording medium from the pair of registration rollers to the merging position is A (mm), a conveyance distance of the recording medium from a detection position of the first detection sensor to the merging position is B (mm), and a movement distance of the first opening or a second opening, which is another opening that is detected by the second detection sensor after detection of the first opening and is moved due to the traveling of the conveyor belt, based on the traveling of the conveyor belt from the detection position of the second detection sensor to the merging position, is C (mm), if A<B<C or A<C<B,
• when the trailing edge of the preceding recording medium has already been detected by the first detection sensor and at the point in time when the first opening is detected by the second detection sensor, based on the detection of the leading edge of the subsequent recording medium by the first detection sensor, when the controller determines that the leading edge of the subsequent recording medium has reached the pair of registration rollers, after the first opening has moved the distance (C−A) due to the traveling of the conveyor belt, the controller causes the subsequent recording medium to be supplied onto the conveyor belt by the pair of registration rollers, and at a time when facing the first opening due to the traveling of the conveyor belt, the controller causes the recording head to execute flushing.