Are you struggling to fix your Brother MFC L2750DW printer's offline issue? Take a look at the top effective methods to quickly get rid of the issue.
Solution 1: Restart Your Device
First, you need to turn off your Wi-Fi, PC or mobile, and printer.
In addition, you should turn off all the other devices.
After that, check if the offline issue is gone.
Solution 2: Check Physical Connection
Initially accept if the USB cable/cord is connected properly to the printer and computer.
In case you are using an Ethernet cord, ensure the cable is connected to the printer and router/access point.
Check the printer status; if the issue persists, move to the next steps.
Solution 3: Set As Default Printer
First you should access the control panel window on your computer.
Then, select the View Devices and Printers.
Choose the right-click on your Brother printer and select the "Set as Default Printer" option.
Solution 4: Delete all Print Jobs
Begin by launching the Control Panel page and click on View devices and printers.
Then, right-click on your printer device and click "See what's printing."
Select the Printer tab, select Cancel All Documents, then click on Yes.
Solution 5: Check Printer Status
Head to the Control Panel and click on View Devices and Printers.
After that, you need to right-click on your Brother printer.
Next, choose the "See what's printing" option.
Select the Printer, and then uncheck the 'Use Printer Offline' option.
Solution 6: Check the Firewall or Antivirus Settings
Initially, choose the Start menu/icon and click on Settings.
Launch your the Network & Internet Settings.
In addition, to Advanced Network Settings.
Now, under related settings, click on the Windows Firewall.
Inspect if any Firewall software settings that might block the printer from establishing a network connection.
Source:- Fix Brother MFC L2750DW Printer Offline Issue