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HP Envy Pro 6420 Setup - Troubleshooting
HP Envy Pro 6420 Leakage of Ink while printing
  • Get the lint-free cloth for cleaning the printer, and have the paper sheet handy to lace it on the cartridge.
  • Then, enable the printer to provide power to it.
  • Unveil the cartridge access door, and take a look at the access area.
  • Cut off the power connection. Gently, tap the cartridge tab to release it.
  • Check the printer contacts for ink debris and smudges.
  • Clean the debris, and check the cartridge for damage.
  • If you find the damaged ink cartridge, throw it away and attach a new 123.hp.com/setup 6420 ink cartridge.
HP Envy Pro 6420 Paper Mismatch Error
  • Due to various reasons, this error shows up on the printer. Always make sure that you are using the recommended envelopes and paper sizes and types.
  • To adjust the paper size, follow the below instructions.
  • Click the File to select the required document, and choose your 123hp.com/setup6420 printer from the drop-down list.
  • Choose Printer Properties or Preferences for amending the settings you want.
  • For reflection of the changes made on the settings, save it properly.
HP Envy Pro 6420 Print job stuck in print queue
  • On your Windows computer, get the Run windows using shortcut keys.
  • Enter services.msc in that Run box. You will get the Services window displayed on the screen.
  • Right-click the Print Spooler from the list and choose Stop.
  • Move to the C: Windows > System32 > spool > Printers and remove all the files.
  • Restart Print Spooler service with the help of Start option. Highlight the Print Spooler in the Service window.
HP Envy Pro 6420 Scan Quality Issues
  • The quality of the scanning documents decreases when the scanner bed has some smudges or dirt.
  • You need to assure that the issue is with the scanner and not with the printing.
  • Raise the lid and spray glass cleaner and clean it. Close the lid once cleaned.
  • Place the documents that are in good condition.
  • Sometimes, calibrating the device and resetting the 123.hp.com/envy6420 printer may fix the problem soon.
  • Try to scan after increasing the resolution or the contrast.