Liquid-discharge-head recovering device

Details Liquid-discharge-head recovering device Liquid-discharge-head recovering device

2007-05-08

2007-05-08

Hsieh, Shih-Wen (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S030000, C347S032000

Reexamination Certificate

active

10901491

ABSTRACT:
A capping unit for use with a liquid discharge head. The capping unit includes a cap for covering a discharge surface of the liquid discharge head. The cap includes air-communication openings provided at corners of the cap, and a suction opening. The air-communication openings connect a space in the cap with the atmosphere. A high negative pressure pump provides pressure to the space via the suction opening. The cap minimizes liquid spatter on the discharge surface after a suction process.

REFERENCES:
patent: 6540322 (2003-04-01), Usui et al.

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