Printing Fails


When I try to print anything in Firefox, I get the following error:

Printer Error

An error occurred while printing.


Firefox Version 51.0.1, released January 26, 2017, seems to have corrupted printer options for some users.


  1. In Firefox's address bar enter: about:config
  2. Click I accept the risk!
  3. In the search box enter: security.sandbox
  4. Right-click security.sandbox.content.level.
  5. Select Modify.
  6. Change the value to 0.
  7. For any other security.sandbox entries, right-click and select Reset.
  8. In the search box enter: print_printer
  9. Right-click the entry and select Reset.
  10. Restart Firefox.
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Article ID: 2536
Mon 1/30/17 1:38 PM
Wed 7/22/20 1:32 PM