Why Is My Brother Printer Stuck in Deep Sleep Mode?

Your Brother printer sits quietly, but nothing happens when you hit print. You check the power light. It blinks slowly, like it’s napping. That’s Deep Sleep Mode, and it can feel frustrating when you need a document fast.

Deep Sleep is a normal power saving feature. It helps your printer use less energy during idle time. But sometimes it gets stuck, and your printer stops responding to print jobs altogether.

The good news? Most fixes are simple and don’t require calling a technician.

In this guide, we’ll walk through why your Brother printer gets stuck in Deep Sleep Mode. You’ll learn how to check your network connection and clear stuck print jobs. We’ll also show you how to update drivers and adjust firewall settings.

In a Nutshell

• Network mismatch is a top cause. Your computer and printer must connect to the same network for commands to reach the device.
• Stuck print jobs often block new tasks. Clear the queue first, then try printing again.
• Firewall or security software can silently block printer communication. Check these settings if nothing else works.
• Outdated drivers confuse the connection between your computer and printer. A quick update usually solves this.
• You can turn off Deep Sleep completely using the printer’s LCD panel. Press Down/Minus and Stop/Exit together, then switch the setting to “Off”.
• Don’t assume your printer is broken. Most issues get fixed without any technician calls. A little patience and the right steps will get your printer responding again.

What Is Deep Sleep Mode on Brother Printers?

Deep Sleep Mode is a power saving feature built into most Brother printers. When activated, your printer uses significantly less electricity than standard Sleep Mode. This helps reduce your energy bills and extends the printer’s lifespan over time.

Here’s how it works. Your printer enters Deep Sleep after a period of inactivity. Once in this state, the device enters a minimal power consumption mode. The printer essentially “hibernates” until it receives a signal to wake up and print something.

The key difference from regular Sleep Mode matters here. Standard Sleep Mode keeps more of the printer’s systems active and ready. Deep Sleep Mode shuts down nearly everything except the power monitoring system. This makes it much more energy efficient but also slower to respond.

Why does this matter? When your printer gets stuck in Deep Sleep, it won’t respond to print jobs sent from your computer. You hit print, but nothing happens. The printer seems completely unresponsive. This happens because the wake up signal never reaches the device, or the printer doesn’t recognize the signal when it arrives.

Most Brother printers have Deep Sleep enabled by default. Manufacturers include this feature because it saves energy across thousands of devices. However, this default setting sometimes causes communication problems between your computer and printer.

The stuck state occurs when something interrupts the normal wake up process. Your printer is ready to respond, but the connection breaks down somewhere. This could happen at the network level, the software level, or somewhere in between.

Understanding Deep Sleep Mode helps you troubleshoot more effectively. You’ll know that your printer isn’t broken. Instead, something is preventing the normal communication between your devices. This knowledge makes finding the solution much easier and faster.

Common Reasons Your Brother Printer Gets Stuck in Deep Sleep

Your Brother printer gets stuck in Deep Sleep for several concrete reasons. Understanding these causes helps you fix the problem faster.

Network connectivity issues rank as the top culprit. Your computer and printer must be on the same network to communicate. If they’re connected to different networks or your printer loses its connection, it won’t wake up when you send print jobs. Check your network settings on both devices to confirm they match.

Stuck print jobs in your queue often prevent new tasks from working. When a job fails to complete, your printer stops responding to additional commands. This creates the stuck Deep Sleep appearance even though the printer is technically ready. Clearing your print queue usually solves this immediately.

Firewall and security software silently block printer communication without warning you. Your computer’s protection programs might prevent your printer from receiving wake up signals. This happens even when everything appears connected properly. You need to check your security settings specifically for printer access.

Outdated printer drivers confuse the connection between your computer and printer. Drivers act as translators between devices. When they’re old or corrupted, your computer can’t properly communicate with your printer. This often triggers the stuck Deep Sleep state.

Unstable network connections create intermittent communication problems. Your printer might connect briefly, then lose the signal. This on and off pattern can trap your printer in Deep Sleep mode. A weak WiFi signal or interference from other devices causes this frequently.

Power cycling issues sometimes leave your printer stuck. If your printer doesn’t fully restart properly, it may enter Deep Sleep and stay there. The shutdown and startup sequence needs to complete fully.

Each of these causes responds well to specific troubleshooting steps. Identifying which one affects your printer helps you apply the right solution quickly.

How to Wake Up a Brother Printer From Deep Sleep

Your Brother printer stuck in Deep Sleep needs a few simple steps to wake up. The good news is most fixes take just minutes.

Start by checking your network connection. Your computer and printer must be on the same network. Open your printer’s settings menu and verify the wireless network name matches your computer’s connection. If they don’t match, reconnect the printer to the correct network.

Next, clear any stuck print jobs from your queue. Go to your computer’s print settings and cancel all pending jobs. This removes the jam that prevents your printer from responding. After clearing the queue, try printing a test page.

Check your firewall and security software settings. These programs sometimes block printer communication without telling you. Look for your printer’s IP address in your security settings and add it to the allowed devices list. This opens the communication channel.

Update your printer drivers if they’re outdated. Drivers are the software that lets your computer talk to your printer. Visit the Brother support website, find your printer model, and download the latest drivers. Install them and restart your computer.

If your printer still won’t wake up, perform a power cycle. Turn off the printer completely and unplug it from the power outlet. Wait 30 seconds, then plug it back in and turn it on. This resets the printer’s internal systems.

Try printing again after each step. Pay attention to which step works, as this tells you what caused the problem.

If none of these steps work, your printer may need a factory reset. Check your printer’s manual for the reset procedure, as it varies by model. A factory reset restores all settings to their defaults and often solves stubborn Deep Sleep issues.

Checking Network and Connectivity Issues

Your computer and printer need to be on the same network to communicate properly. If they’re on different networks, your printer won’t respond to print jobs. Check your printer’s LCD screen to see which network it’s connected to. Then verify your computer is on that same network.

Open your network settings on your computer. Look for the active network name, which is also called your SSID. Compare this name to what appears on your printer’s display. They must match exactly for printing to work.

Firewall and security software can block communication between devices without you realizing it. These programs protect your computer but sometimes prevent legitimate printer signals from getting through. Check your firewall settings to see if your printer is on the allowed list.

Access your security software’s settings menu. Look for options about allowed devices or trusted networks. Add your printer to the exception list if it’s not already there. This tells your firewall that your printer is safe to communicate with your computer.

An unstable network connection creates intermittent problems. Your printer might seem stuck when really the connection keeps dropping. Restart your router by unplugging it for 30 seconds, then plugging it back in. Wait for all lights to stabilize before trying to print again.

Move your printer closer to your router if it’s far away. Walls and obstacles weaken wireless signals. A stronger signal helps your printer stay awake and responsive to print commands.

Check if other devices on your network are working properly. If your computer can’t browse the internet smoothly, your printer won’t work well either. Fix the network issue first before troubleshooting the printer further.

Once your network connection is stable and your firewall allows printer communication, your printer should wake from Deep Sleep mode normally.

Clearing Stuck Print Jobs and Updating Drivers

Your printer’s print queue can trap jobs that prevent it from responding to new commands. When jobs get stuck, your Brother printer remains in Deep Sleep mode and ignores fresh print requests. Clearing these stuck jobs is one of the most effective fixes you can try.

Start by accessing your computer’s print queue. On Windows, open Settings and find Devices, then Printers and Scanners. Look for your Brother printer in the list. Right click on it and select “Open queue.” You’ll see all pending print jobs here. Select each stuck job and delete it completely. Don’t just cancel them. Remove them entirely from the queue.

On Mac computers, go to System Preferences and click Printers and Scanners. Find your Brother printer and click “Open Print Queue.” Delete any jobs you see listed there. This clears the backlog that’s keeping your printer asleep.

After clearing the queue, restart your printer. Turn it off completely, wait 30 seconds, then power it back on. This fresh start helps your printer exit Deep Sleep mode properly. Now try printing a test page to see if communication works again.

Outdated drivers often cause print jobs to fail and get stuck in your queue. Your printer drivers act as the translator between your computer and printer. When drivers are old, they send incomplete or incorrect commands that jam up the queue.

Visit the Brother support website and download the latest drivers for your specific printer model. Install them completely and restart your computer. New drivers fix communication problems and prevent future stuck jobs.

If jobs still get stuck after updating drivers and clearing the queue, your network connection likely needs attention. Verify both devices connect to the same network. Check if your firewall allows printer communication. These steps combined usually resolve Deep Sleep issues caused by stuck print jobs.

How to Disable Deep Sleep Mode via the LCD Menu

Your Brother printer’s LCD menu gives you direct control over Deep Sleep settings. This method works on most Brother models and takes just a few minutes.

Start by locating the control buttons on your printer’s front panel. You’ll need the Down or Minus button and the Stop or Exit button. Press both of these buttons at the same time. Hold them together for about three seconds until the menu appears on your LCD screen.

Navigate through the menu using your arrow buttons. Look for options labeled “Settings,” “Power Management,” or “Sleep Mode.” The exact menu names vary by printer model, but you’re searching for anything related to power or sleep functions. Move slowly through each option so you don’t miss the Deep Sleep setting.

Once you find the Deep Sleep option, you’ll see it’s currently turned on. Select this option and change it from “On” to “Off.” This disables the Deep Sleep feature entirely on your printer.

Confirm your changes by pressing the OK or Enter button. Your printer will save these new settings and return to the main menu. Exit the menu by pressing Stop or Exit again.

Your printer now operates in standard Sleep mode instead of Deep Sleep. Standard Sleep mode still saves power but allows your printer to respond to print jobs more quickly. Your device will wake up faster when you send documents from your computer.

After making this change, test your printer by sending a print job from your computer. The printer should respond immediately without the long wake-up delays you experienced before. If you ever want to re-enable Deep Sleep later, simply repeat these steps and change the setting back to “On.”

This LCD menu method is the most direct way to control power settings on your Brother printer.

Common Mistakes When Troubleshooting Deep Sleep Issues

Many people make mistakes when trying to fix a Brother printer stuck in Deep Sleep mode. Understanding these errors helps you troubleshoot faster and more effectively.

The first mistake is assuming your printer is broken. When your printer won’t respond, many users panic and think the device failed. Deep Sleep mode simply means your printer is in a low power state. A basic power cycle often solves the problem. Turn off your printer completely, wait 30 seconds, then turn it back on.

Another common error is skipping the print queue check. Users often send multiple print jobs when their printer doesn’t respond immediately. These jobs pile up in your computer’s queue and create a traffic jam. Your printer gets overwhelmed and stays stuck. Always clear your print queue before sending new jobs.

People frequently overlook network connectivity issues during troubleshooting. They focus on the printer itself and forget that Deep Sleep mode requires your computer and printer to communicate over your network. If your devices aren’t on the same network, your printer won’t wake up. Check that both devices connect to the same WiFi network before proceeding.

Many users also ignore firewall and security software. These programs can silently block communication between your computer and printer. You might not see any error messages, so you assume the problem is elsewhere. Check your security software settings to ensure it allows printer communication.

Lastly, people don’t verify their network connection stability. An unstable or weak connection causes intermittent problems. Your printer might wake up sometimes but not other times. Test your network by checking if other devices work properly on the same connection.

These mistakes waste your time and frustration. By avoiding them, you’ll identify the real issue quickly and get your printer working again.

Final Thoughts

Your Brother printer’s Deep Sleep mode is not a sign of trouble. It’s simply a power saving feature working as designed.

Most wake up issues stem from small, fixable problems. Network mismatches, blocked firewalls, and stuck print queues cause most complaints.

Start with the basics every time. Check your network connection first. Then clear your print queue before trying anything else.

If those steps don’t work, look at your firewall settings. Security software sometimes blocks communication between your computer and printer.

Updating your drivers solves many hidden problems too. Old drivers often cause printers to freeze or ignore commands completely.

For a permanent fix, disable Deep Sleep through your printer’s LCD menu. This keeps your printer in standard Sleep mode instead.

Standard Sleep mode still saves energy. But it responds faster to new print jobs than Deep Sleep does.

Patience helps during troubleshooting. Don’t assume the worst when your printer seems unresponsive at first.

Give it a moment to wake up. Sometimes printers just need a few extra seconds to respond.

If problems continue after trying these fixes, contact Brother support directly. They can diagnose deeper hardware or firmware issues.

Remember these key points going forward. Keep your network stable and your drivers current.

Check your print queue regularly for stuck jobs. Review your firewall settings if problems return.

Most Deep Sleep issues have simple solutions. You don’t need technical expertise to fix them yourself.

With the right steps, your Brother printer will respond quickly. It will wake up and work exactly when you need it.

Understanding these causes helps you troubleshoot faster next time. You’ll spend less time confused and more time printing successfully.

Frequently Asked Questions

Why won’t my Brother printer wake up from Deep Sleep mode?

Your printer likely won’t wake up because of a network connection problem. The computer and printer need to be on the same network to communicate. Check that both devices connect to the same WiFi network or are properly connected via USB cable.

A stuck print job can also cause this issue. Your printer may be waiting for a command it can’t process. Clear your print queue and try sending a new print job.

Can I disable Deep Sleep mode completely?

Yes, you can turn off Deep Sleep mode on your Brother printer. Use the control buttons on your printer’s front panel to access the settings menu. Press the Down or Minus button and Stop or Exit button at the same time. Find the Deep Sleep option and change it to “Off.”

Your printer will then use standard Sleep mode instead. Standard Sleep still saves power but allows your printer to respond to print commands more easily.

What does firewall blocking have to do with Deep Sleep problems?

Your computer’s firewall or security software might block communication between your devices. When the firewall blocks your printer, it can’t receive print jobs, making it seem stuck in Deep Sleep.

Check your firewall settings and add your printer to the allowed devices list. This opens the communication channel between your computer and printer.

Why should I update my printer drivers?

Outdated drivers cause many connection problems between your computer and printer. Updated drivers fix bugs and improve how your devices talk to each other.

Visit the Brother support website, find your printer model, and download the latest drivers. Install them on your computer and restart both devices.