Question about HP 640 Inkjet Fax Machine
My HP 640 will not print. Ran the test, no print. Performed the recommended cartridge maintenance, no print. Any suggestions?
Generally speaking if paper is coming out blank you have a cartridge issue. To check if the ink in the cartridge is dried up in the print head take the cartridge out and blot the printhead (on the bottom of the cartridge ) on a paper towel - if there is no solid blob of ink it is dry or empty. You can soak the printhead in 1/4" of warm water in a dish for about 5-10 minutes and try again. If there is still no blob of ink you either need to go to and ink refiller and have them try to revive it or buy a new one and print something every week (2 at most) to keep it from dying out again. This method works for both black and color
Posted on Sep 16, 2014
If these are new cartridges, make sure you removed all of the protective plastic wrap that comes when packaged. usually its red , yellow or orange plastic tab that should be removed.
If these are not new cartridges, you may need to try another set.
Try running the head cleaning utility under the printer utilities options HP is very good at having this utility available to trouble shoot most common problems. If you don't have this utility, try updating your printer driver. (basically uninstall the printer and download the driver from the HP website, and reinstall the printer using the latest driver).
Hope this helps..
Posted on Mar 07, 2009
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Posted on Jan 02, 2017
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