You send a document to your Brother HL-L2350DW and nothing happens, or the printer shows up as offline even though it was working fine last week. Wireless laser printers like this one rely on a steady link to your router, and a single change to your network, a forgotten password, or a band mismatch can knock the connection out. The good news is that most HL-L2350DW Wi-Fi problems trace back to a handful of fixable causes, and the official Brother guidance lays them out in a clear order. Work through the steps below from the top, since the earliest ones are the safest and solve the majority of cases.
Start With the Printer Itself, Not the Network
Before you touch your router or reinstall any software, confirm the printer is actually awake and ready. Make sure the HL-L2350DW is turned on, is not sitting in Sleep Mode, and that its display shows no errors such as a paper jam or low toner. Brother lists this as the very first check, because an error state or a sleeping printer can make a perfectly healthy machine look offline to your computer.
If you see any error message on the panel, clear it first. A paused or stalled printer cannot accept new jobs over Wi-Fi no matter how good the wireless signal is, so resolving on-device errors often restores printing without any further work.
The 5 GHz Trap on Dual-Band and Mesh Routers
This is the single most common reason a newer router suddenly refuses to connect the HL-L2350DW. The printer supports only the 2.4 GHz Wi-Fi band (IEEE 802.11b/g/n), and it cannot see or join a 5 GHz network at all. If you recently upgraded to a dual-band or mesh router, the printer may simply be unable to find the network it needs.
On a dual-band or mesh router, connect the printer to the 2.4 GHz band specifically. Brother recommends giving the 2.4 GHz and 5 GHz bands different network names, because using the same name for both can cause repeated connection loss. On mesh systems in particular, the SSID must be separated into different bands so the Brother machine can latch onto the 2.4 GHz network.
Restart Everything in the Right Order
A clean power cycle clears stale wireless sessions on both the printer and your router, and the sequence matters. Start by placing the printer as close to the Wi-Fi router or access point as possible to rule out a weak signal.
- 1.Turn off the wireless router or access point first, then turn it back on and let it fully boot.
- 2.Restart the computer next.
- 3.Turn the Brother machine off and back on last.
- 4.After the printer powers up, wait at least five minutes for it to rejoin the wireless network before you test a print.
That five-minute pause is easy to skip, but rushing a test print before the printer has reconnected is a frequent reason people conclude the fix did not work.
Print the WLAN Report to See What Is Actually Wrong
The HL-L2350DW can print a diagnostic report straight from its control panel that tells you whether the wireless connection succeeded and, if it failed, gives you an error code to pinpoint the cause. This turns guesswork into a targeted fix.
- 1.On the control panel, press up or down to select [Print Reports] and press OK.
- 2.Select [WLAN Report] and press OK.
- 3.Press Go to print the report.
Read the wireless status off the printed page. If the connection failed, note the error code shown and match it to Brother's WLAN report code guide, which explains what each code means and the recommended action.
Clear an Offline or Paused Status on Windows
Sometimes the network is fine but Windows has flagged the printer as offline or paused, often after a stuck job clogs the queue. Clearing that state and the queue brings the printer back to life.
On Windows 11, go to Start > Settings > Bluetooth & devices > Printers & scanners, select the printer, then choose Open print queue and use the menu icon > Cancel all to clear stuck jobs.
On Windows 10 or earlier, right-click the printer > See what's printing > Printer, then remove the checkmark next to Use Printer Offline and next to Pause Printing. Clear the queue via Printer > Cancel All Documents, then right-click the printer and choose Set as default printer. If the options are grayed out, click Open As Administrator and enter the administrator password.
Let Brother's Repair Tool Fix the IP Address (Windows)
If the printer still will not print over Wi-Fi on a Windows PC, the problem may be a mismatched IP address or subnet mask that prevents Windows and the printer from talking. Brother provides a free Network Connection Repair Tool from its official download site for exactly this situation.
Download and run the tool, and it will correct the Brother machine's network settings by assigning the right IP address and Subnet Mask. This is often the quickest fix when the printer appears connected to the router but stays unreachable from your computer.
Sort Out the Connection on a Mac
Mac users have a parallel path. First, open System Settings or System Preferences > Printers & Scanners, confirm the HL-L2350DW is set as the default printer, and clear any stuck jobs from the print queue. Make sure your Mac is on the same 2.4 GHz Wi-Fi network as the printer, and print the WLAN Report to confirm the printer's wireless status.
If the printer still does not respond, remove it from Printers & Scanners and add it again so macOS rebuilds the connection with the correct driver. After any power cycle, wait at least five minutes for the printer to rejoin the network before testing.
Update the Driver, Then the Firmware
Wireless printing can break after an operating system update or a network change if your driver or firmware is out of date. Download and install the latest Full Driver & Software Package for your operating system from the printer's official Downloads page.
While you are at it, update both the printer's firmware and your router's firmware to their latest versions. Outdated software on either device is a common, easily overlooked cause of a connection that worked yesterday but fails today.
Re-Run the Wireless Setup Wizard
If the printer simply cannot join the network, walking it through setup again often reestablishes the link, especially after you have changed your Wi-Fi password or network name. Have your Network Name (SSID) and Network Key (your Wi-Fi password) ready before you begin.
- 1.On the control panel, select [Network] > [WLAN] > [Setup Wizard] > OK.
- 2.Enable wireless and select your network from the list.
- 3.Enter your Network Key when prompted.
If your network is hidden or set to stealth mode, it will not appear in the list. In that case, choose <New SSID> and enter the network name manually, then enter the password.
Reset the Network Settings as a Last Resort, Then Reinstall
When nothing else works, resetting the print server wipes the saved wireless configuration so you can start fresh. Be aware that a Network Reset clears the saved Wi-Fi settings, the password, and the IP address, returning all wired and wireless network settings to factory defaults, so you will need to set up the connection again afterward. Unplug the interface cable before performing a Network Settings Reset or a Factory Reset.
- 1.On the control panel, press up or down to select [Network] and press OK.
- 2.Select [Network Reset] and press OK.
- 3.Press down to choose [Yes]; the machine restarts.
After the reset, reinstall the driver and run the Wireless Setup Wizard again to reconnect the printer to your 2.4 GHz network. If the connection problem still persists after a full reset and reinstall, contact Brother support for further help.
Frequently Asked Questions
Why won't my Brother HL-L2350DW connect to my new Wi-Fi router?
Most often it is a band issue. The HL-L2350DW supports only the 2.4 GHz Wi-Fi band and cannot see or join a 5 GHz network. On a dual-band or mesh router, connect the printer to the 2.4 GHz band, and give the two bands different network names, since using the same name can cause repeated connection loss.
How do I find out exactly why the wireless connection failed?
Print the WLAN Report from the control panel by selecting [Print Reports] > OK, then [WLAN Report] > OK, then pressing Go. The report shows whether the connection succeeded and provides an error code if it failed, which you can match to Brother's WLAN report code guide to identify the specific problem.
What happens to my settings if I reset the network on the printer?
A Network Reset returns all wired and wireless network settings to factory defaults, including the saved Wi-Fi password and the IP address, so the printer will no longer be connected to your network. After the reset you must run the Wireless Setup Wizard again to reconnect. Unplug the interface cable before performing a Network Settings Reset or Factory Reset.
Is there an app I can use to print and check the printer from my phone?
Yes. Brother iPrint&Scan is the free companion app for Android and iOS, including iPhone, iPad, and iPod touch. The HL-L2350DW also supports Apple AirPrint, which lets you print directly from Apple devices without installing a separate driver.
Why does my printer keep dropping off the network?
Repeated disconnections often happen when both the 2.4 GHz and 5 GHz bands share the same network name, which Brother says can cause ongoing connection loss. Give the 2.4 GHz band a unique name and make sure the printer is connected to it. Keeping the printer close to the router and updating the router's firmware can also help maintain a stable link.
