Incremental printing of symbolic information – Ink jet – Controller
Patent
1996-04-02
1998-07-28
Tran, Huan H.
Incremental printing of symbolic information
Ink jet
Controller
347 7, B41J 2946, B41J 2900
Patent
active
057868280
ABSTRACT:
A printer is provided with at least one detachable print unit provided with a driven unit which is driven to print an image on a recording sheet. The condition of operation of the print unit is detected and the detected condition of operation of the print unit is stored in a data storage device that allows the updating of its contents. Thus, various kinds of information useful for the quality control of the printer and the print unit can be readily and surely collected and the collected information is stored in the print unit. The information useful for the quality control of the printer and the print unit can be read out from the data storage device after the print unit has been removed from the printer.
REFERENCES:
patent: 4345262 (1982-08-01), Shirato et al.
patent: 5049898 (1991-09-01), Arthur et al.
patent: 5068806 (1991-11-01), Gatten
patent: 5075698 (1991-12-01), Aoki et al.
patent: 5276461 (1994-01-01), Saito
patent: 5365312 (1994-11-01), Hillmann et al.
Louis "Storage of Operating Parameters In Memory Integral with Printhead", Xerox Disclosure Journal, vol. 8, No. 6, Nov./Dec. 1983, p. 503.
Tokyo Electric Co. Ltd.
Tran Huan H.
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