Method for ensuring stable operation of an ink jet recording app

Details Method for ensuring stable operation of an ink jet recording app Method for ensuring stable operation of an ink jet recording app

1989-03-15

1990-10-30

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, B41J 2165

Patent

active

049672045

ABSTRACT:
An operation method on an ink jet recording apparatus, comprises the steps of: moving a recording head to a position at which the recording head faces to a cap, causing the recording head to discharge ink from an ink discharge port thereof into the cap after each lapse of a predetermined time period or each lapse of a printing operation period for a predetermined numbers of lines; and idle-discharging the ink collected in the cap when the removing operation of a recording medium is performed succeedingly to the discharge, or when the period longer than said printing operation period has been lapsed while the recording head stays at the position.

REFERENCES:
patent: 3925789 (1975-12-01), Kashio
patent: 3945021 (1976-03-01), Kraus
patent: 4176363 (1979-11-01), Kasahara
patent: 4362572 (1982-12-01), Wallace
patent: 4367479 (1983-01-01), Bower
patent: 4577203 (1986-03-01), Kawamura
patent: 4631556 (1986-12-01), Watanabe
patent: 4692777 (1987-09-01), Hasumi

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