Scanned documents are faded

[Eq65]

My scanner was working fine earlier, but suddenly a scanned document, either using the feeder or placing it directly on the glass is very faded and has vertical lines on it, when viewed. I have done the suggested updates, but still the same issue. The printer is working correctly. Not sure if the picture below is clear enough to show what the document looks like.

Any help would be greatly appreciated.

[Andr-1611]

Hello @Eq65 ,
Welcome to the HP Support Community!

The HP software must be completely uninstalled and removed of the system.

First download only this complete package: "HP Officejet Pro 8600 Plus/Premium e-All-in-One Printer series - N911a-n Full Feature Software and D... ", File name: OJ8600_1316.exe (134.2 MB)

Read this information only briefly: Uninstalling the Printer Software (Windows) 

Then proceed as follows:

Check the system for

• TuneUp`s
• Optimization Tools
• Cleanup Tools

disable them, better uninstall them.

Next...

1. Disconnect printer/scanner from computer- Disable WLAN and/or remove the USB or LAN cable.- Do not switch off the printer >> unplug the power cord from the socket!
2. right-click Start, search for "control panel" and open "Programs and Features"
   uninstall all HP printer software > via "Programs and Features"
3. right-click Start, search for "control panel" and open "Devices and Printers"
   In the "Devices and Printers" window look for your HP Printer. If you see it listed, right-click on it and choose "Delete" or "Remove Device.”
4. Restart the PC
5. Close all programs
6. Change File-Explorer-Settings:View > Options > "Change folder and search options" > Tab "View"
   • enable > Show hidden files, folders and drives
   • uncheck > Hide protected operating system files (Recommended)
   OK
7. search for "HP [printer name]" and delete all this folders, for instance: "Officejet Pro 8600" or "8600"
8. Empty the TEMP folders
   A) C:\Users\[Your user account]\AppData\Local\Temp\
   B) C:\Windows\Temp\
system files cannot be deleted!
9. Reconnect the printer to the power supply and switch it on (if this does not happen automatically)
10. Please note: WLAN has to be deactivated!
11. Restart the PC
12. Close all programs
13. Open up the run command with the "Windows Key + R" key combo > in folder Downloads click on the EXE, see above.

Via USB, means wait until the installation asks to connect the printer/scanner.

Document error messages, even better is a screenshot and upload here.

The network configuration or the type of connection can be changed later, see "Changing from a USB to a Wireless Connection".

Note:

Change the File Explorer settings again -

• enable > Don`t show hidden files, folders or drives
• click button > Hide protected operating system files (Recommended)

OK

You can get more information about your printer here: HP Officejet Pro 8600 e-All-in-One Printer series - N911 

Hope this helps! Keep me posted.
Andreas

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