Priming method for inkjet printers

Details Priming method for inkjet printers Priming method for inkjet printers

1988-12-02

1990-11-13

Miller, Jr., George H.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 75, 346140R, G01D 158

Patent

active

049705270

ABSTRACT:
A program installed in the microcontroller of an ink jet printer functions as a timer, to keep track of how much time has elapsed since the ink jet cartridge last printed. After a certain amount of time (such as one hour) has elapsed with no printing, the program directs all the nozzles of the cartridge to each print about twenty ink dots. This periodic priming of the nozzles during idle periods prevents viscous ink plugs from building up in and clogging the nozzles.

REFERENCES:
patent: 4417256 (1983-11-01), Fillmore et al.
patent: 4540997 (1985-09-01), Biggs et al.

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