
If your Brother printer has entered sleep mode and isn’t responding to print commands, you can easily wake it by following a few simple steps. First, ensure the printer is powered on and connected to your device. Press the power button on the printer to activate it, or simply send a print job from your computer, as this often automatically brings the printer out of sleep mode. If the issue persists, check the printer’s settings to adjust the sleep mode timeout or disable it entirely. Additionally, updating the printer’s firmware or reinstalling the driver can resolve any underlying software glitches causing the problem. By troubleshooting these areas, you can quickly get your Brother printer back online and ready for use.
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What You'll Learn
- Check Power Settings: Ensure printer's power-saving mode isn't set to sleep too quickly
- Update Printer Firmware: Outdated firmware can cause sleep issues; update for fixes
- USB Connection Issues: Loose or faulty USB cables can trigger sleep mode unexpectedly
- Network Connectivity: Unstable Wi-Fi or Ethernet connections may cause printer to sleep
- Clean Printer Sensors: Dust on sensors can malfunction, forcing the printer to sleep

Check Power Settings: Ensure printer's power-saving mode isn't set to sleep too quickly
To address the issue of your Brother printer going into sleep mode too quickly, it's essential to check the power settings on both the printer itself and the connected computer. Start by accessing the printer's control panel. Navigate to the Settings or Setup menu, where you’ll find the Power Save or Eco Mode options. Here, you can adjust the time it takes for the printer to enter sleep mode. Increase this timeout period to a longer duration, such as 30 minutes or more, to prevent the printer from going to sleep prematurely. This ensures the printer remains active for extended periods of inactivity, reducing the need to wake it up frequently.
Next, examine the power settings on your computer, as these can also influence the printer's behavior. On a Windows PC, go to Control Panel > Hardware and Sound > Power Options. Select your current power plan and click on Change plan settings. Look for the Turn off the printer after a certain time option and set it to Never or a longer duration. This prevents the operating system from sending a sleep signal to the printer too soon. For macOS users, open System Preferences > Printers & Scanners, select your Brother printer, and ensure no power-saving options are enabled that could force the printer into sleep mode prematurely.
If your Brother printer is connected via a network, check the network settings as well. Some routers or network devices have power-saving features that can affect connected devices. Access your router’s settings and disable any Green Ethernet or Power-Saving Mode options that might be causing the printer to go to sleep. Additionally, ensure the printer’s network connection is stable, as intermittent connectivity issues can sometimes trigger sleep mode unexpectedly.
For advanced users, accessing the printer’s web interface can provide more control over power settings. Open a web browser and enter the printer’s IP address to access its configuration page. Look for the Power Save or Eco Settings section and adjust the sleep timeout to a longer duration. This method is particularly useful for networked printers and ensures the settings are applied directly to the device, independent of the computer’s power options.
Finally, consider updating the printer’s firmware to ensure it has the latest power management features. Visit the Brother support website, download the latest firmware for your model, and follow the instructions to install it. Updated firmware often includes optimizations that improve power-saving behavior, reducing the likelihood of the printer going to sleep too quickly. By systematically checking and adjusting these power settings, you can effectively keep your Brother printer active and ready for use without constant interruptions.
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Update Printer Firmware: Outdated firmware can cause sleep issues; update for fixes
Outdated printer firmware can often be the culprit behind persistent sleep mode issues with Brother printers. Firmware acts as the printer's operating system, controlling its functions and features. Over time, manufacturers release updates to address bugs, improve performance, and fix issues like unexpected sleep mode activation. If your Brother printer keeps going to sleep despite your efforts, updating the firmware should be a priority. This process ensures your printer runs on the latest software, potentially resolving sleep-related problems and enhancing overall functionality.
To update your Brother printer's firmware, start by identifying the current firmware version installed on your device. You can usually find this information through the printer's control panel or by printing a settings report. Once you have this detail, visit the official Brother support website. Here, you’ll need to locate the support page for your specific printer model. Brother provides firmware updates tailored to each model, so accuracy is crucial. Download the latest firmware version available for your printer, ensuring it’s compatible with your operating system if applicable.
Before proceeding with the update, ensure your printer is connected to a stable power source and turned on. It’s also advisable to connect the printer directly to your computer via USB or ensure a stable Wi-Fi connection if updating wirelessly. Follow the instructions provided by Brother for the firmware update process. This typically involves running an executable file on your computer or uploading the firmware file through the printer’s control panel. Be patient during the update, as the process may take several minutes, and avoid interrupting it to prevent potential damage to the printer.
After the firmware update is complete, restart your printer to apply the changes. Check if the sleep mode issue persists by attempting to print or use the printer as usual. If the problem is resolved, the outdated firmware was likely the cause. However, if the issue continues, consider exploring other troubleshooting methods, such as adjusting power settings or checking for hardware malfunctions. Regularly updating your printer’s firmware not only fixes sleep mode problems but also ensures optimal performance and security.
In summary, updating your Brother printer’s firmware is a straightforward yet effective solution to address sleep mode issues caused by outdated software. By following the manufacturer’s guidelines and ensuring a stable connection during the update, you can potentially resolve the problem and improve your printer’s overall reliability. Keep an eye on Brother’s support page for future firmware updates to stay ahead of any emerging issues and maintain your printer’s efficiency.
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USB Connection Issues: Loose or faulty USB cables can trigger sleep mode unexpectedly
USB connection issues are a common yet often overlooked cause of Brother printers entering sleep mode unexpectedly. A loose or faulty USB cable can disrupt the stable connection between the printer and the computer, leading to communication errors that trigger the printer to go into sleep mode. To address this, start by inspecting the USB cable for any visible signs of damage, such as fraying, bending, or exposed wires. Even minor damage can compromise the cable’s ability to transmit data reliably, causing intermittent connectivity issues that prompt the printer to shut down prematurely.
Next, ensure the USB cable is securely connected to both the printer and the computer. Over time, cables can become loose due to movement or repeated plugging and unplugging. Gently unplug the USB cable from both ends and reinsert it firmly, ensuring it clicks into place. If the printer uses a USB port on the computer, try connecting it to a different port, as the current port may be malfunctioning. Avoid using USB hubs or extensions, as these can introduce additional points of failure and reduce signal stability.
If the issue persists, replace the USB cable with a new, high-quality one that meets the printer’s specifications. Low-quality or incompatible cables can cause signal degradation, leading to frequent disconnections and sleep mode activation. Brother printers typically require USB 2.0 cables, so ensure the replacement cable is compatible. After swapping the cable, restart both the printer and the computer to reestablish a stable connection and check if the problem is resolved.
In some cases, the USB port on the printer itself may be faulty. If replacing the cable doesn’t work, try connecting the printer to a different computer using the same cable. If the printer functions normally on another device, the issue likely lies with the original computer’s USB port or drivers. Update the USB drivers on the computer by accessing the Device Manager, locating the USB controllers, and selecting the option to update the driver software. This can resolve underlying driver conflicts that cause connectivity issues.
Finally, consider using a wired network connection or Wi-Fi instead of USB if recurring connection problems persist. While USB is convenient, network connections are often more stable and less prone to physical disruptions. Refer to the printer’s manual for instructions on setting up a network connection. By systematically addressing USB connection issues, you can prevent unexpected sleep mode activation and ensure your Brother printer operates smoothly.
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Network Connectivity: Unstable Wi-Fi or Ethernet connections may cause printer to sleep
Network connectivity issues, particularly unstable Wi-Fi or Ethernet connections, can often trigger Brother printers to enter sleep mode unexpectedly. When the printer detects a weak or intermittent network signal, it may interpret this as a command to conserve energy, resulting in it going to sleep. To address this, start by checking the stability of your Wi-Fi or Ethernet connection. Ensure your router is functioning properly and that the printer is within a reasonable range of the Wi-Fi signal. If using Wi-Fi, consider moving the router closer to the printer or using a Wi-Fi extender to improve signal strength. For Ethernet connections, inspect the cable for damage and ensure it is securely plugged into both the printer and the router or network switch.
If your network connection appears stable but the printer still goes to sleep, verify the printer’s network settings. Access the printer’s control panel and navigate to the network settings menu. Confirm that the printer is connected to the correct Wi-Fi network or Ethernet port. If the printer has lost its network connection, reconfigure it by selecting your network and entering the correct password. For Ethernet users, ensure the printer’s IP address is correctly configured and not conflicting with other devices on the network. Brother printers often have a "Network Configuration" report option, which can provide valuable information about the printer’s current network status.
Another effective step is to update the printer’s firmware, as outdated firmware can sometimes cause network-related sleep issues. Visit the official Brother support website, locate your printer model, and download the latest firmware update. Follow the provided instructions to install the update, which may involve using a USB cable or the printer’s control panel. Firmware updates often include improvements to network stability and power management, reducing the likelihood of the printer going to sleep due to connectivity problems.
In some cases, adjusting the printer’s sleep mode settings can help mitigate issues caused by unstable network connections. Access the printer’s settings menu and look for the "Sleep Mode" or "Power Save" options. Here, you can adjust the time it takes for the printer to enter sleep mode or disable sleep mode entirely if network instability is a persistent problem. However, disabling sleep mode may increase energy consumption, so consider this a temporary solution while you address the underlying network issues.
Finally, if network connectivity problems persist, consider using a wired Ethernet connection instead of Wi-Fi. Ethernet connections are generally more stable and less prone to interference, which can prevent the printer from going to sleep due to signal drops. If switching to Ethernet is not feasible, consult your internet service provider or a network technician to diagnose and resolve any Wi-Fi instability issues. By ensuring a stable and reliable network connection, you can minimize the chances of your Brother printer entering sleep mode unexpectedly.
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$86.42

Clean Printer Sensors: Dust on sensors can malfunction, forcing the printer to sleep
One of the often-overlooked reasons a Brother printer may go into sleep mode unexpectedly is dust accumulation on its sensors. Printer sensors are critical components that detect paper, monitor ink levels, and ensure proper functioning. When these sensors are covered in dust or debris, they can malfunction, causing the printer to misinterpret signals and enter sleep mode prematurely. To address this issue, start by turning off the printer and unplugging it from the power source to ensure safety during cleaning. Gather a soft, lint-free cloth and a can of compressed air, which are essential tools for this task. Avoid using liquid cleaners or abrasive materials, as they can damage the sensitive components.
Begin by opening the printer’s access doors, including the paper tray and cartridge compartment, to expose the sensors. Locate the sensors, which are typically small, clear plastic components or light-emitting devices. Use the compressed air to gently blow away any visible dust or debris from the sensors. Hold the can upright and avoid spraying too closely to prevent moisture or residue from building up. Follow this by wiping the sensors and surrounding areas with the lint-free cloth, ensuring no fibers are left behind. Pay close attention to the paper feed sensors, as these are particularly prone to dust buildup and can directly cause sleep mode issues if obstructed.
After cleaning the internal sensors, inspect the exterior of the printer for dust accumulation, especially around buttons and display panels, as these areas can also house sensors. Use the compressed air and cloth to clean these surfaces thoroughly. Once the cleaning is complete, reassemble any opened compartments and reconnect the printer to the power source. Turn it on and check if the issue persists. Regular maintenance, such as cleaning the sensors every few months, can prevent dust-related malfunctions and keep your printer functioning smoothly.
If the printer still enters sleep mode after cleaning the sensors, consider checking the printer’s settings. Sometimes, sleep mode is triggered by software configurations rather than hardware issues. Access the printer’s control panel or software on your computer to adjust sleep mode settings. Ensure the printer is set to stay active for a longer duration or disable sleep mode entirely if it’s not needed. However, if the problem continues, the sensor malfunction might be due to a deeper issue, and consulting Brother’s support or a technician may be necessary.
In summary, cleaning the printer sensors is a straightforward yet effective way to address unexpected sleep mode issues caused by dust buildup. By maintaining a clean environment for the sensors, you can ensure accurate functioning and prolong the life of your Brother printer. Regular cleaning, combined with proper usage and settings adjustments, will help keep your printer operational and reduce unnecessary downtime.
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Frequently asked questions
Brother printers enter sleep mode to conserve energy after a period of inactivity. To wake it up, simply press the power button or send a print job from your computer. The printer will automatically activate and resume operation.
To change sleep mode settings, access the printer's control panel, navigate to the "Eco Mode" or "Energy Save" settings, and adjust the sleep timer duration. Alternatively, use the Brother printer software on your computer to modify these settings.
If the printer doesn’t respond, check the power connection and ensure it’s properly plugged in. Try restarting the printer by turning it off, unplugging it for 30 seconds, and then plugging it back in. If the issue persists, update the printer firmware or contact Brother support for assistance.











































