Hi @Carlotta6,
Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
If your printed documents are scrambled or missing large portions on your HP OfficeJet Pro 8020 series printer, the issue could be related to the print settings, software, or hardware. Here's how you can troubleshoot.
Check Print Settings:
- Make sure the paper size, type, and orientation in the print settings match the document you are printing.
- Verify that you're printing in the correct mode (draft, normal, or best) for the document.
- Ensure you're printing in the appropriate color or grayscale if necessary.
Update Printer Drivers:
- Outdated drivers can cause printing errors.
- Visit the HP Support website and download the latest drivers for your printer model.
- Install and restart both the printer and the computer.
Run Printer Diagnostic Tools:
- Open the HP Smart app (or HP Print and Scan Doctor for Windows) and run the diagnostics.
- It can help identify software or communication issues between the printer and computer.
Check Ink Cartridges:
- Make sure the ink cartridges are full and properly installed.
- Clean the cartridges and printhead from the HP Smart app or directly on the printer control panel.
Try a Different File or Program:
- Test printing a different document or try printing from another program to rule out issues with a specific file.
Clear Print Spooler:
- On your computer, clear the print spooler:
- Windows: Go to Services > Print Spooler > Stop, then clear the files in C:\Windows\System32\spool\PRINTERS, and restart the spooler.
- Mac: Reset the printing system under System Preferences > Printers & Scanners.
Perform a Printer Reset:
- Turn off the printer, unplug it for 1-2 minutes, and plug it back in. Turn it on and try printing again.
If the issue persists after trying these steps, the problem may be related to hardware. Running a print quality diagnostic page via the printer's control panel can help pinpoint the issue with cartridges or printheads.
I hope this helps.
Take care and have a good day.
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Alden4
HP Support