Brother MFC-L3770CDW Safety Guide
![Brother MFC-L3770CDW manual cover](/images/rUWvDadXaeViXzZvcrxJwHEn/thumbs/thumb175x175.webp)
To connect the Brother MFC-L3770CDW printer to a wireless network, press the 'Menu' button on the printer, navigate to 'Network' > 'WLAN' > 'Setup Wizard', and follow the on-screen instructions to select your network and enter the password.
Ensure the printer is turned on and connected to the same network as your computer. Check for any error messages on the printer's display and resolve them. Verify that the correct printer is selected on your computer and restart both the printer and computer if necessary.
To perform a factory reset, press 'Menu', go to 'Initial Setup', select 'Reset', and choose 'Factory Reset'. Confirm the reset by pressing 'Yes'. The printer will restart and return to its default settings.
Open the top cover of the printer and remove the toner cartridge and drum unit assembly. Push down the green lock lever to release the toner cartridge, then remove it. Unpack the new toner cartridge, install it into the drum unit, and slide the drum unit back into the printer.
To resolve paper jams, open the printer's front cover and remove any jammed paper. Check the paper tray and the back of the printer for any additional jams. Ensure the paper guides are correctly set and the paper is not wrinkled or damp.
Place the document on the scanner glass or in the document feeder. Press 'Scan' on the printer, select the desired scan destination (e.g., PC, email), and follow the on-screen instructions to complete the scan.
Visit the Brother support website, download the latest firmware update for your printer model, and follow the provided instructions to install the update using a USB cable or network connection.
Check the toner cartridges to ensure they are installed correctly and not empty. Use the printer's menu to perform a color calibration under 'Printer Settings'. Ensure you are using genuine Brother toner for best results.
To reduce paper curl, ensure the paper is loaded correctly with the side to be printed on facing down. Use the 'Reduce Paper Curl' setting in the printer's menu under 'Printer Settings'. Ensure the paper is stored in a cool, dry place.
Regular maintenance tasks include cleaning the scanner glass and the exterior of the printer, replacing toner cartridges and the drum unit as needed, and ensuring the paper path is clear of any debris. Regularly check for firmware updates to ensure optimal performance.