Print head maintenance mechanism

Details Print head maintenance mechanism Print head maintenance mechanism

1996-08-16

1999-03-23

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 30, B41J 2165

Patent

active

058867155

ABSTRACT:
A print head maintenance mechanism used for an inkjet printer including a print head having a nozzle plateformed with nozzles and a head transport mechanism capable oftransporting the print head along a transport pathway from aprint region to a non-print region, the print head ejecting ink contained in an ink cartridge from the nozzles onto a print sheet while in the print region, the print head maintenance mechanism including: a purge unit disposed in confrontation with the non-print region of the transport pathway and for sucking ink from the nozzles of the head when needed; and a wiper unit disposed in confrontation with the non-print region of the transport pathway and wiping the nozzle plate only after the purge unit has sucked ink from the nozzles.

REFERENCES:
patent: 5245362 (1993-09-01), Iwata et al.

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