Support for MFC-L3770CDW
- I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
- Brother iPrint&Scan cannot find my Brother machine (macOS)
- My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
- The printer status is Offline or Paused.
- Cannot print after a Windows 10 update (June 2020)
- I cannot print using my Brother machine on a wired network. (Windows/macOS)
- I cannot print using my Brother machine on a wireless network (Mac)
- I cannot repair the wired or wireless connection using the Network Connection Repair Tool (Windows)
- I cannot print on a wireless (Wi-Fi) network (Windows) Show More Show Less
- I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
- Brother iPrint&Scan cannot find my Brother machine (macOS)
- My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
- The printer status is Offline or Paused.
- Cannot print after a Windows 10 update (June 2020)
- I cannot print from my computer via USB. Show More Show Less
- Curled or wavy
- Adjust color settings by using the custom setting in the printer driver
- Colors are light or faint on the whole page
- Blank page or some colors are missing.
- My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
- Uneven color density across the page
- The color of your printouts is not what you expected
- Printed pages are compressed, horizontal stripes appear, or characters in the top, bottom, left and right margins are cut off.
- Missing thin lines in images
- Vertical white streaks or bands appear on the page
- Ghosting images
- White spots
- Vertical colored streaks or bands appear on the page
- Calibrate Colour Output
- Toner smears easily
- Possible solutions for print quality issues
- Color offset
- Toner scatter or toner stain
- Envelope creases
- Wrinkled printout
- Colored spots at 94 mm (3.7 in.) intervals or at 29 mm (1.1 in.) intervals
- Horizontal coloured lines appear on the page Show More Show Less
- I print mainly black and white documents. How can I stop the life of my color toner cartridges from decreasing when I print?
- The printer status is Offline or Paused.
- The color of your printouts is not what you expected
- I cannot find some options in the Print dialog box. (For OS X v10.7 to 10.15)
- Reduce Printing Noise
- I cannot find some options in the Print dialog box (macOS 11 or later)
- Some characters are missing when printing PDF files from Adobe® Acrobat® / Adobe® Acrobat® Reader® / Adobe® Reader®. What can I do to correct this? Show More Show Less
- Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
- Print both sides of paper or a booklet automatically
- I cannot find some options in the Print dialog box. (For OS X v10.7 to 10.15)
- Secure Print (Mac)
- I cannot find some options in the Print dialog box (macOS 11 or later)
- Add your Brother machine with AirPrint (macOS) Show More Show Less
- Which connection can I use to print from my device (Android™) using the Brother iPrint&Scan?
- Print or scan using the Brother iPrint&Scan application for mobile devices (Android/iOS)
- Print data from the Clipboard in Brother iPrint&Scan when using an iPhone, iPod touch and iPad.
- Print a web page from Brother iPrint&Scan when using an iPhone, iPod touch and iPad.
- Print or Scan from the Brother iPrint&Scan application using the NFC function of an Android™ mobile device.
- Print a web page from iPrint&Scan when using an Android™ mobile device.
- Printing/ Scanning with a mobile device
- Printing from other applications than the Brother iPrint&Scan when using an Android™ mobile device.
- Can I select paper trays from my device (Android™) using the Brother iPrint&Scan?
- Can I print all PDF formats from my device (Android™) using the Brother iPrint&Scan?
- Can I select paper trays from my device (iPhone, iPod touch and iPad) using the Brother iPrint&Scan?
- Which connection can I use to print from my device (iPhone, iPod touch, iPad) using the Brother iPrint&Scan? Show More Show Less
- Print on Both Sides of the Paper Automatically (Automatic 2-sided Printing)
- Adjust color settings by using the custom setting in the printer driver
- Print as a Poster (Windows)
- Delete print jobs from the print queue.
- Configure the Store Print Log to Network Settings Using Web Based Management
- Change the printer driver settings (Windows/macOS)
- How can I use my NFC-enabled Android™ device with the Brother NFC-enabled machine?
- Load and Print Labels Using the MP Tray
- Calibrate Colour Output
- Reduce Toner Consumption
- Print Documents Securely Using SSL/TLS Show More Show Less
Other FAQs Category
A guide to navigating our most common questions