Removing waste ink from capping station

Details Removing waste ink from capping station Removing waste ink from capping station

1992-12-28

1994-06-28

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 36, B41J 2165

Patent

active

053251113

ABSTRACT:
A process and apparatus for removing waste ink from a capping station on a low cost integral capping, priming and wiping station for a thermal ink jet printer. In particular, the prime operation is repeated so that the scanning carriage (containing the ink jet printhead) travels past the capping position which breaks the vacuum seal and causes waste ink in the cap volume to be released into the pump chamber, thus cleaning the cap volume of excess ink. The additional prime cycle does not remove ink from printhead orifices because the scanning carriage travels away from the capping position as vacuum is applied.

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