Negative pressure ink delivery system

Details Negative pressure ink delivery system Negative pressure ink delivery system

1998-05-22

2000-04-25

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

060536071

ABSTRACT:
An inkjet printhead is mounted on a cartridge which has an outer casing member, an inner collapsible reservoir formed by non-elastic flexible walls, and an internal spring means inside the reservoir for creating negative pressure in the collapsible reservoir during the filling and storage of ink in the collapsible reservoir as well as during the dispensing of ink from the collapsible reservoir to the printhead.

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