JP2015093756A5 - - Google Patents

Claims (8)

A platen unit having a platen surface for supporting a sheet-like medium ;
Is disposed at a position overlapping the previous SL platen surface and the printer, characterized in that it comprises a platen upper unit a star wheel is mounted, the. A printing surface having a nozzle surface on which nozzles for ejecting ink are provided, the nozzle surface facing the platen surface, and a direction intersecting a first direction in which the nozzle surface and the platen are opposed to each other; It has a print head that moves to a retracted position different from the execution position,
The platen upper unit includes a plurality of support frames that support the star wheel,
2. The nozzle according to claim 1, wherein when the print head is positioned at the print execution position, the nozzle faces the platen surface through a gap surrounded by the plurality of support frames and the star wheel. Printer. A print head lifting mechanism for moving the print head to a first position and a second position having a greater distance from the platen surface than the first position ;
When the front Symbol print head is positioned at the first position, the printer according to claim 2, before between Kisuki, wherein said nozzle face enters. It said star wheel being supported by the first supporting frame of the plurality of support frames, said star wheel being supported on the second supporting frame, is located at different positions at a direction intersecting the transport direction of the medium printer according to claim 2 or 3, characterized in that. A protrusion is formed on the outer periphery of the star wheel,
The platen on the upper unit, a printer according to any one of claims 1 to 4 wheel cleaner in contact with the distal end of the projection remote from the front Symbol medium is characterized in that it is mounted. The wheel cleaner is a cylindrical rotating body,
Printer according to claim 5, wherein the outer peripheral surface of the wheel cleaner is in contact with the tip of the protrusion, and wherein the benzalkonium be rotated with the rotation of the star wheel. The platen upper unit is provided with a biasing member that biases the star wheel toward the platen surface,
Said wheel cleaner, when the star wheel in the biasing direction by the biasing member is moved, the printer according to claim 5 or 6, wherein the benzalkonium be moved with movement of the star wheel. The platen upper unit, a printer according to any one of claims 1 to 7, characterized in that it is fixed to the printer main body frame.