Question about Dell Inkjet 720 Printer
I had the same problem. I simply had to buy a new ink cartridge, even though it was showing up as having ink. Now it works great.
Posted on Feb 25, 2010
If you had it professionally refilled,.. take the cartridge back to the place that did it have them do it properly for you. If you did the refill yourself,.. you may not have followed the procedure correctly or may have not filled the cartridge in time for the ink to not have dried inside the end of the cartridge (this happens when someone fills a cartridge that has been empty for a few to several days or more and does not store it correctly when it is pulled from service). When the ink dries inside the nozzles, it is definitely hard to resurrect the cartridge without using isopropyl alcohol (90% Technical for head cleaning and such) not the most common (Drug Store 70%). I have been successful in doing the following procedure on about 40% of the cartridges with the same issue you are having after refilling.
1) obtain a clean, non-metallic cup or container (with a lid) that is wide enough to set the cartridge into and deep enough to allow the cartridge to set all the way inside and be covered with a lid.
2) Pour 1/4" to 1/2" of 90% isopropyl alcohol into the cup.
3) Place the cartridge in the cup with the print head nozzles in the alcohol.
4 Let this sit in the alcohol with a cover on for 10 minutes,.. you will notice the alcohol dissolving the ink. This is good because the alcohol will dissolve the dried ink in the capillary tubes and electrostatic ink valves that are keeping the new ink from flowing.
5) Remove cartridge from cup and set the cartridge print head on a dry cellulose sponge for a few minutes. The sponge will have ink seeping into it,.. that is fine.
6) Place cartridge in printer and do 1-3 test pages. If the ink does not flow yet, repeat the procedure steps 3,4,5,and 6. If after the 4th cycle of repeating steps, the cartridge does not print, then it most likely needs to be tossed and replaced.
I hope this is helpful for you now and in the future
For future reference: Using water to do this,.. especially tap water will plug up the capillary tubes and electrostatic ink valves with mineral deposits and not dissolve the dried ink properly,... not to mention the water will not get up far enough, due to air in the water.
Posted on Feb 08, 2010
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Posted on Jan 02, 2017
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