brother at your side

  • Products
  • Supplies
  • Support
  • Product Registration
  • Home
  • United States
  • MFC-8420
  • FAQs & Troubleshooting
Model discontinued. This page is no longer updated.

MFC-8420

FAQs & Troubleshooting

FAQs & Troubleshooting

Search by Keyword(s)

 

  • Search by FAQ ID number
CategorizedPopularLatest

Updated:07/14/2025

These are the most viewed FAQs, ranked by popularity.

  1. 1.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
  2. 2.My FAX/MFC/DCP does not print or prints garbage when printing the first document after starting a PC. What can I do?
  3. 3.What is a "Generic PCL Driver"?
  4. 4.I still see the "Toner Empty" message on the LCD even after replacing the toner cartridge.
  5. 5.Vertical streaks appear in my copies.
View all FAQs

 

 

CategorizedPopularLatest

Support & Downloads

MFC-8420

Not your product?

  • Downloads
  • FAQs & Troubleshooting
  • Manuals
  • Consumables & Accessories
  • Supported OS
  • Specifications

United States(English)

United States(English)
Change Countries or Regions (Language)
  • Contact Us
  • Product Registration
  • Visit www.brother-usa.com
  • Site Map
  • Legal
  • Privacy Policy
  • Global Site
  • View Mobile Version