Print head wiper, inkjet image forming apparatus with the...

Details Print head wiper, inkjet image forming apparatus with the... Print head wiper, inkjet image forming apparatus with the...

2006-04-06

2009-06-16

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S029000, C347S032000

Reexamination Certificate

active

07547090

ABSTRACT:
There are provided a print head wiper to wipe a nozzle surface of a print head where nozzles are formed to fire ink, an inkjet image forming apparatus including the print head wiper, and a method of maintaining the inkjet image forming apparatus. In the print head wiper, a first gear is capable of rotating in both clockwise and counterclockwise directions, a second gear is engaged with the first gear, a cleaning roller is fixed to the second gear to wipe the nozzle surface of the print head, and a link arm to connect the first gear and the second gear. When the first gear is rotated, the second gear and the cleaning roller may be revolved in an upward direction around the first gear by a frictional force between the first gear and the link arm until the cleaning roller makes contact with the nozzle surface, and then the second gear and the cleaning roller may be rotated about an axis of the second gear by a rotational force of the first gear to wipe the nozzle surface.

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