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US 2013/0257937 A1Published application
Inkjet Printer and Method for Acquiring Gap Information of the Inkjet Printer
AssigneeBrother Kogyo Kabushiki Kaisha
InventorSatoru ARAKANE
Life of this patent
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Abstract
An inkjet printer, including an inkjet head, a conveyer unit to convey a recording medium in a conveying direction, a position detecting unit to detect a position of the recording medium along the conveying direction, a wave shape generating mechanism to deform the recording medium into a predetermined wave shape along a direction orthogonal to the conveying direction, a gap information storing device to store gap information related to a gap between an ink discharging surface of the inkjet head and the recording medium, and a correcting device to correct the gap information according to a position of the recording medium along the conveying direction, is provided.
Claims15
An inkjet printer, comprising:
- an inkjet head configured to discharge ink droplets from nozzles formed in an ink discharging surface thereof;
- a head scanning unit configured to move the inkjet head with respect to a recording medium to reciprocate along a head-moving direction, the head-moving direction being parallel with the ink discharging surface of the inkjet head;
- a conveyer unit configured to convey the recording medium in a conveying direction which intersects the head-moving direction, the conveyer unit including a feed roller and an ejection roller, which are arranged to have the inkjet head interposed therebetween along the conveying direction;
- a position detecting unit configured to detect a position of the recording medium along the conveying direction;
- a wave shape generating mechanism configured to deform the recording medium into a predetermined wave shape that has tops of portions protruding toward the ink discharging surface and bottoms of portions recessed toward a side opposite from the ink discharging surface, the tops and the bottoms being alternately arranged along the head-moving direction;
- a gap information storing device configured to store gap information related to a gap between the ink discharging surface and the recording medium located in a predetermined reference position along the conveying direction, the gap information being acquired from a predetermined range in the recording medium;
- and
- a correcting device configured to correct the gap information stored in the gap information storing device according to a position of the recording medium along the conveying direction detected by the position detecting unit.
5 more elements
A method configured to be implemented on a control device connected with an inkjet printer, the inkjet printer comprising:
- an inkjet head configured to discharge ink droplets from nozzles formed in an ink discharging surface thereof;
- a head scanning unit configured to move the inkjet head with respect to a recording medium to reciprocate along a head-moving direction, the head-moving direction being parallel with the ink discharging surface of the inkjet head;
- a conveyer unit configured to convey the recording medium in a conveying direction which intersects the head-moving direction, the conveyer unit including a feed roller and an ejection roller, which are arranged to have the inkjet head interposed therebetween along the conveying direction;
- a position detecting unit configured to detect a position of the recording medium along the conveying direction;
- a wave shape generating mechanism configured to deform the recording medium into a predetermined wave shape that has tops of portions protruding toward the ink discharging surface and bottoms of portions recessed toward a side opposite from the ink discharging surface, the tops and the bottoms being alternately arranged along the head-moving direction, the method comprising steps of:
- acquiring gap information related to a gap between the ink discharging surface and the recording medium from a predetermined range in the recording medium;
- and
- correcting the acquired gap information according to a position of the recording medium along the conveying direction detected by the position detecting unit.
5 more elements
An inkjet printer comprising:
- an inkjet head configured to discharge ink droplets from nozzles formed in an ink discharging surface thereof;
- a conveyer unit configured to convey a recording medium in a conveying direction, the conveyer unit including a feed roller and an ejection roller, which are arranged to have the inkjet head interposed therebetween along the conveying direction;
- a position detecting unit configured to detect a position of the recording medium along the conveying direction;
- a wave shape generating mechanism configured to deform the recording medium into a predetermined wave shape that has tops of portions protruding toward the ink discharging surface and bottoms of portions recessed toward a side opposite from the ink discharging surface, the tops and the bottoms being alternately arranged along an orthogonal direction being orthogonal to the conveying direction;
- and
- a control device configured to:
- store gap information related to a gap between the ink discharging surface and the recording medium located in a predetermined reference position along the conveying direction, the gap information being acquired from a predetermined range in the recording medium;
- and
- correct the stored gap information according to a position of the recording medium along the conveying direction detected by the position detecting unit.
6 more elements
Dependencies are inferred from the claim text.