Method of exchanging waste ink pack of ink jet recording apparat

Details Method of exchanging waste ink pack of ink jet recording apparat Method of exchanging waste ink pack of ink jet recording apparat

1996-07-23

1998-04-28

Frahm, Eric

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 23, B41J 2165

Patent

active

057451346

ABSTRACT:
A method of exchanging a waste ink pack that stores waste ink discharged by repeated ink clearing operations performed on an ink jet head involves comparing a cumulative number of times the ink clearing operation have been performed using a particular waste ink pack with upper limit data based on the capacity of the waste ink pack. When the cumulative number reaches the upper limit data, an indication is provided that the waste ink pack should be exchanged for a new one, after which exchange a previous instruction to a recovery device to perform an ink clearing operation is performed. Ink clearing operations are then repeated with that waste ink pack until the number of such operations again reaches the upper limit data.

REFERENCES:
patent: 4701771 (1987-10-01), Ikeda
patent: 4814794 (1989-03-01), Sato
patent: 4901094 (1990-02-01), Iwagami et al.
patent: 4965596 (1990-10-01), Nagoshi et al.
patent: 5113206 (1992-05-01), Fukazawa
patent: 5172140 (1992-12-01), Hirabayashi
patent: 5221935 (1993-06-01), Uzita
patent: 5237341 (1993-08-01), Iwagami et al.

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