The quality of a printed document from your HP Smart Tank 670, 720, 750, 6000, 7000, or 7300 series printer is not as expected, color or black ink does not print, or printouts are smeared, fuzzy, dark, or faded.
Perform the following tasks in the order given. Use the printer after each task to see if the issue is resolved.
Low ink levels can impact print quality. Refill any tanks that are low on ink.
HP recommends that you use genuine HP ink. HP cannot guarantee the quality or reliability of non-HP ink. If you do not use genuine HP ink and HP printheads, the steps in this document might not resolve print quality issues.
Purchase replacement cartridges and other supplies from the HP Store or local retailers.
On the control panel, look for KYMC and the blinking Ink icons . The Printhead icons might also blink.
Fill any tanks that are low on ink.
Make sure your print job is set up for optimal print quality results.
Use the HP Smart app to clean printhead contacts and improve any print quality issues.
To resolve many print quality issues, print a Print Quality Diagnostic Page, and then evaluate the results.
Use the HP Smart app to clean the printhead and fix many print quality issues including incorrect colors, streaks, and faded printouts.
Use the HP Smart app to align the printhead.
Remove the faulty printhead, and then install the new replacement.
Service or replace your HP product if the issue persists after completing all the preceding steps.
Go to Contact HP Customer Support to schedule a product repair or replacement. If you are in Asia Pacific, you will be directed to a local service center in your area.
To confirm your warranty status, go to HP Product Warranty Check. Repair fees might apply for out-of-warranty products.