Optical encoding of printhead service module

Details Optical encoding of printhead service module Optical encoding of printhead service module

1997-03-04

2000-06-20

Le, N.

Incremental printing of symbolic information

Ink jet

Controller

347 29, 347 33, 347 36, B41J 29393

Patent

active

060769130

ABSTRACT:
An ink jet printing system comprises multiple print cartridges each containing a different ink and having a plurality of printhead nozzle arrays scanning across printing media in a printing zone. After a specified amount of ink has been dispensed, an ink jet printhead carriage is moved to a refill station for ink replenishment. A label on a print head service module displays encoded visual indicia which are sensed by an optical sensor on the ink jet printhead carriage. The optical sensor is used to read pre-encoded information as well as on the fly information which is recorded on a label when the carriage moves along a traverse path to the printhead service station.

REFERENCES:
patent: 5039237 (1991-08-01), Tanuma et al.
patent: 5049898 (1991-09-01), Arthur et al.
patent: 5644346 (1997-07-01), Schwiebert et al.
patent: 5751305 (1998-05-01), Hadley

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