Ink cartridge and remaining ink volume detection method

Details Ink cartridge and remaining ink volume detection method Ink cartridge and remaining ink volume detection method

2005-10-04

2005-10-04

Nghiem, Michael (Department: 2863)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

06951388

ABSTRACT:
An ink cartridge including a case in which an ink chamber and an atmosphere connection path are formed, the atmosphere connection path connecting the first chamber with the outside of the case, a through hole formed in the atmosphere connection path, the through hole having an end surface that faces upward, and an ink sump positioned lower than the end surface of the through hole, wherein the through hole is formed midway along the atmosphere connection path.

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