Question about HP PhotoSmart 7550 InkJet Printer
Try performing print head cleaning from the hp toolbox or start -> printers and faxes -> right click on your printer -> printings preferences -> maintenance or similiar.
Print head cleaning, and print head alingment / nozzle check.
If that doesn't help reseat the cartridges, if you have another set of cartridges try them. Are these old cartridges? possibly dryed up?
Remove the cartridge from the printer if the print-head cleaner doesn't cause ink to flow. Soak it in a bowl or sink filled with enough warm water to immerse the print head nozzles, long enough to see ink beginning to dissolve and flow into the water. Alternately, you can soak a cloth in warm water and use it to clean the nozzles until you see ink begin to flow.
Thoroughly dry the nozzles with a soft, lint-free cloth once the cleaning process is complete.
Replace the cartridge into the printer and run the printer's print-head cleaning utility.
Repeat the cleaning procedure if the cartridge still doesn't print. Reinstall and once again run the print-head cleaning utility.
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
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