Question: How does a inkjet printer know if the cartridge has any ink left?

Answer #1
The print cartridge has a little chip in it that counts and uses time.Many of them have ink left but the time expired. On my dads printer, I found a little application that reset the counter/timer and he refilled it himself. Google for your printer model and the words counter reset.
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Answer #2
first remove cover from nozzle cartridgethen you clean cartridge by property printerI hope help you
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Answer #3
Because they're programmed that way.
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Answer #4
can you print black and white, grey out color option!?
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Answer #5
borrow 2 cartridges from some one of same no. then replace your catridge with 1st cartidge (mark it) ON your printer let it check then OFF replace 1st catridge with 2nd one, ON your printer let it check again, OFF. Replace your cartidge and ON your printer, check your ink status it will show FULL. Start printing with black ink, your printer will think it's a new catridge because it memory can hold only two catridge's identity.
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Answer #6
It's depend what printer make you have.- Epson - cartridge have chip on it that you can reset with chip resetter

http://fillserv.com/products/chipresetter.php- Canon - you can reset chip by holding cancel button- HP, Lexmark and Dell - printer itself count ink drops and remember 3 cartridges. In this case "R J" suggestion will work.
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Answer #7
Re-install the printer and use his designated driver(not from the windows) Choose option full or Custom install. There's a tool box include if you fully install driver. After you install run the tool box and these will tell you the status of your ink , if you are running out of ink or full.
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Answer #8
The printer software will update you.But as far as printer is concerned it as a sensor which notifies the printer So that the offline line led will glow
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