Ink-jet printer with printing head cap

Details Ink-jet printer with printing head cap Ink-jet printer with printing head cap

1997-02-25

1999-12-28

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 2165

Patent

active

06007180&

ABSTRACT:
An ink-jet printer has a suction cap for avoiding discharge failure of an ink from a printing head. When the printing head comes to a restoring area, the suction cap is moved from a waiting position at which the suction cap is retracted from a passage for movement of the printing head to a protruding position at which the suction cap protrudes into the passage for movement of the printing head. The suction cap covers a nozzle surface of the printing head. A purge unit is driven to suck the ink remaining in the printing head through the suction cap. The suction cap is supported by a casing so that the suction cap is swingable when it is pressed against the printing head. The suction cap makes tight contact with the printing head in response to the nozzle surface of the printing head

REFERENCES:
patent: 4728970 (1988-03-01), Terasawa
patent: 5343228 (1994-08-01), Takada
patent: 5416507 (1995-05-01), Otsuka
patent: 5619232 (1997-04-01), Maeno
patent: 5757395 (1998-05-01), Chew et al.

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