Determining the volume of ink in a printer reservoir

Details Determining the volume of ink in a printer reservoir Determining the volume of ink in a printer reservoir

2005-01-18

2005-01-18

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S005000

Reexamination Certificate

active

06843545

ABSTRACT:
The present invention relates to a method of printing using dots of ink discharged from nozzles to form the image. It is desirable to prevent printing to occur if there is insufficient ink in the printer cartridge to complete the page. Before each page is printed the recorded amount of ink remaining in the printer cartridge is compared with the amount of ink need in the worst-case page to determine if there is sufficient ink to print the page. If there is the page is printed. After the page is printed, the number of dots of ink used to form the image is multiplied by the dot size and the resulting volume of ink used, is subtracted from previously recorded volume of ink to obtain the new volume of ink remaining in the cartridge.

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patent: WO 9904368 (1999-01-01), None

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