How to Check the Ink Level on an HP Deskjet F340

Things to clean:1. Little warm water & bowl2. tissue paper3. Ear budsDip cartridge nozzle part in water, wait 10 seconds, take out & swab nozzles with ear buds, clean with tissue paper as shown in fig.. check for the print quality.. repeat two or three times if required.. if no recovery better to replace the cartridge..

Hi better replace new ink cartridge and not refill, oftentimes improper refilling damage cartridges. It will work with brand new one.

Use the "HP Printing Assistant" software, installed on your computer, to run a few "print-head-cleaning" cycles, to unclog any ink-jets that are _not_ shooting the ink onto the paper.

You might be out of ink - check the ink cartridge.

No you cannot use Cartridge 27 with Hp Deskjet F340 printer. The printer only supports, 21 (black), 22 (color) and 58 (photo). I hope this clears your doubt.

If you need further help, let me know.

Good luck.

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http://h10061.www1.hp.com/ccsearch/search?pname=HP+Deskjet+F340+All-in-One+Printer&opname=HP+Deskjet+F340+All-in-One+Printer&qry=printer+offline+&method=prodFinder&enc=UTF-8&ctry=us&lang=en&dlc=en&sni=1128309&search=0&submit.x=10&submit.y=8
HP's page for help with Off Line.

Hello,

Go to this help page for instructions:

F300 Series Ink Replacement

You may also be interested to have the main support page for your printer:

F340 Support

Add it to your favorites. It may come in handy.

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Hi. Just go to this link and choose your operating system. After that download your driver for that deskjet printer. I love you.

ink light is blinking

When printing a photo make sure that your quality is set on best and not normal.

Also check the ink level on your colour and black cartridges and make sure it is sufficient.

Last but not least if you are using remanufactured or refilled cartridges this is a common problem. The cartridges are not made for the printer or they have been refilled and they now have blocked printheads and the ink is doing interesting things. If you buy a real hp cartridge and it should clear the issue up.