Constant flexure wiping and scraping system for inkjet printhead

Details Constant flexure wiping and scraping system for inkjet printhead Constant flexure wiping and scraping system for inkjet printhead

1996-07-23

2000-01-25

Le, N.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

152565, B41J 2165, A46B 1500

Patent

active

060171103

ABSTRACT:
A wet wiping system is provided that is particularly useful for wiping an inkjet printhead that uses pigment based ink. A wet wiping method has an admitting step, where ink is admitted though printhead nozzles, either by firing the inkjet cartridge with a low thermal turn on energy, or through capillary action provided by placing the printhead in contact with a wicking pad. In a dissolving step, any accumulated ink residue adjacent the nozzles is dissolved with the admitted ink. In a wiping step, the admitted ink and any dissolved ink residue is wiped from the printhead. One wet wiper has a cellulose acetate polyester blade supported on at least one side by a foam block. The wicking pad may have a ramped portion for gradually contacting the printhead, or a domed wicking surface that is compressed upon contact with the printhead to facilitate the capillary action.

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