Apparatus or instrument including scanning type functional eleme

Incremental printing of symbolic information – Ink jet – Controller

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Details

347 14, B41J 2195, B41J 2938

Patent

active

057776342

ABSTRACT:
A black ink cartridge is mounted on a carriage capable of scanning along a guide shaft, and when a projection of the carriage rides on a sensor within the scanning range of the carriage, the weight of the black ink cartridge is detected.

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patent: 5018884 (1991-05-01), Hirano et al.
patent: 5165708 (1992-11-01), Hirano et al.
patent: 5617122 (1997-04-01), Numata et al.

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