Ink-jet printer and control method for ink-jet printer
AssigneeToshiba Tec Kabushiki Kaisha
InventorsKazuhiko Ohtsu, Atsushi Kubota
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Abstract
In accordance with an embodiment, an ink-jet printer includes a first black record head, a second black record head, a color record head, a black maintenance unit, a color maintenance unit and a controller. The black maintenance unit configured to maintain the first black record head. The color maintenance unit configured to maintain the second black record head and the color record head. The controller executes the maintenance of the black maintenance unit and the maintenance of the color maintenance unit at different timings.
Claims6
An ink-jet printer, comprising:
- a first black record head configured to jet black ink;
- a second black record head configured to jet black ink;
- a color record head configured to jet ink specified color;
- a black maintenance unit configured to maintain the first black record head;
- a color maintenance unit configured to maintain the second black record head and the color record head;
- and
- a controller configured to execute the maintenance of the black maintenance unit and the maintenance of the color maintenance unit at different timings when the recording is executed by the first or second black record head.
A Control method for an ink-jet printer, comprising:
- determining execution of monochrome printing or color printing on a sheet;
- instructing an execution by using a first black record head after determining to execute monochrome printing;
- instructing execution by using a second black record head after determining to execute color printing;
- and
- executing the maintenance of the black maintenance unit for maintaining the first black record head and the maintenance of the color maintenance unit for record heads including the second black record head at different timings when the recording is executed by the first or second black record head.
Dependencies are inferred from the claim text.