Miya Pearson
If a Brother printer is in Sleep mode and does not receive any jobs for a certain length of time, it will automatically enter Deep Sleep mode. Deep Sleep mode uses less power than Sleep mode, and the machine will wake up when it receives a fax, computer data, or when a key is pressed on the control panel. The Deep Sleep setting cannot be turned off, but the Sleep mode setting can be adjusted. Some users have reported issues with their Brother printers not waking up from Deep Sleep mode, requiring them to restart the printer or perform other troubleshooting steps.
| Characteristics | Values |
|---|---|
| When does the printer enter Deep Sleep mode? | When the printer is in Sleep mode and does not receive any jobs for a certain length of time. |
| How much power does Deep Sleep mode use? | Deep Sleep mode uses less power than Sleep mode. |
| How does the printer wake up from Deep Sleep mode? | The printer will wake up and start warming up when it receives a fax, computer data, makes a copy, or when a key is pressed on the control panel. |
| Can Deep Sleep mode be turned off? | No, the Deep Sleep setting cannot be turned off, but the sleep mode setting can be adjusted. |
| What happens if the printer is in Deep Sleep mode for a long time? | If the printer is in Deep Sleep mode for a certain length of time, it will go into Power Off mode. |
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What You'll Learn
Troubleshooting deep sleep mode on Brother printers
If your Brother printer is in Sleep mode and does not receive any jobs for a certain length of time, it will automatically enter Deep Sleep mode, and the LCD will display "Deep Sleep". Deep Sleep mode uses less power than Sleep mode. The machine will wake up and start warming up when it receives a fax, computer data, makes a copy, or when you press a key on the control panel.
The Deep Sleep setting cannot be turned off, but the Sleep mode setting can be adjusted. If the wireless network connection (WLAN) of the machine is enabled or if the machine has secure print data, it will not enter Deep Sleep mode.
To adjust the Sleep Time setting, follow these steps:
- Go to the Sleep Time menu.
- Press the down + back or down + stop/exit buttons simultaneously to access the Deep Sleep menu.
- Using the dial pad on the touchscreen, enter the length of time (0-90 minutes) the machine will remain idle before entering Sleep mode.
If your printer is not waking up from Sleep mode or Deep Sleep mode, try the following troubleshooting steps:
- Power cycle the printer by turning it off and on again.
- Open and close the front cover where the toner is.
- Go to the printer and devices section of Windows and click Troubleshoot.
- Uninstall and reinstall the Brother software and drivers.
- Update the firmware for your machine.
- Check for any firewall or security applications blocking your Brother machine's communication.
- Install or reinstall the MFL-Pro Suite using the "Full Driver and Software Package".
- Check the machine's display or LEDs for any error messages and clear them.
- Ensure that the machine's IP address is valid for your network.
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How to wake a Brother printer from deep sleep
If your Brother printer is in deep sleep mode, it means that it has been in sleep mode without receiving any jobs for a certain period. The length of time before a printer enters deep sleep mode depends on the specific model and settings. Deep sleep mode uses less power than sleep mode, and the LCD backlight turns off, with the Home key dimmed.
Deep sleep mode cannot be disabled, but there are a few methods to wake your Brother printer from deep sleep:
- Send a fax, computer data, or make a copy.
- Press a key on the control panel.
- Turn the printer off and on again.
- Open and close the front cover where the toner is.
- Go to the "Printer and Devices" section of Windows and click "Troubleshoot".
- Use another device, such as a tablet, to send a print job.
If you are unable to wake your Brother printer from deep sleep mode, try the following troubleshooting steps:
- Make sure there is paper in the tray.
- Check the machine's display or LEDs for any error messages and clear them.
- Find your Brother machine's IP address and ensure it is valid for your network.
- Open the Printer Properties and click on the Ports tab.
- Click "Add Port", log in with admin rights if necessary, and select "Standard TCP/IP Port".
- Click "New Port" and follow the Standard TCP/IP Printer Port Wizard, entering the Brother machine's IP address.
- Attempt to print a document or test page.
- If the document does not print, uninstall the Brother software and reinstall the MFL-Pro Suite using the "Full Driver and Software Package".
- Once the installation is complete, attempt to print again.
By following these steps, you should be able to successfully wake your Brother printer from deep sleep mode and resume printing.
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Adjusting sleep time settings on Brother printers
If your Brother printer is in Sleep mode and does not receive any jobs for a certain length of time, it will automatically enter Deep Sleep mode, and the LCD will display "Deep Sleep". Deep Sleep mode uses less power than Sleep mode, and the machine will wake up when it receives a fax, computer data, or when you press a key on the control panel.
Please note that the Deep Sleep setting cannot be turned off, but the sleep mode setting can be adjusted. If the wireless network connection (WLAN) of the machine is enabled or if the machine has secure print data, it will not enter Deep Sleep mode.
To adjust the Sleep Time setting, follow these steps:
- Go to the "Sleep Time" menu.
- Press the 'down + back' or 'down + stop/exit' buttons simultaneously to access the "Deep Sleep" menu.
- Using the dial pad on the touchscreen, enter the length of time (0-90 minutes) the machine will remain idle before entering Sleep mode.
- You can also adjust the Sleep Time setting by selecting either the "Auto (Intelligent Sleep Mode)" or "Manual" option. Auto will automatically adjust to the most suitable timeout setting, while Manual will let you set the timeout for the amount of time in minutes you enter.
If you are unable to print after the machine has entered Deep Sleep mode, follow these steps:
- Open the Printer Properties from within the Printers folder.
- Click the Ports tab.
- Click Add Port. If the Add Port option is grayed out, log in with admin rights.
- Select Standard TCP/IP Port.
- Click New Port.
- On the Standard TCP/IP Printer Port Wizard, click Next.
- Type the Brother machine's IP address as the Printer Name or IP Address.
- Click Next.
- If you receive a "port with that name already exists" message, click OK, then modify the auto-filled name in the Port Name field by adding a letter to the end.
- If you receive a "Completing the Add Standard TCP/IP Printer Port Wizard" message, click Finish.
- Attempt to print a document or a test page.
- If the document or test page prints, the printer and driver are working correctly. We recommend updating the firmware for your machine.
- If the document does not print, cancel the print job from the queue.
- Uninstall the Brother software by clicking Brother Utilities, selecting your model, clicking Tools, then clicking Uninstall.
- Click OK to confirm the uninstallation.
- Install or reinstall the MFL-Pro Suite using the "Full Driver and Software Package", which can be downloaded from the Brother support website.
- Once the installation is complete, attempt to print a document or a test page again.
If you are still unable to print, your computer may not be communicating with your machine due to a firewall or security application blocking the connection.
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Deep sleep mode vs. power-off mode
Brother printers have two power-saving modes: Sleep mode and Deep Sleep mode. If the machine is in Sleep mode and does not receive any jobs for a certain length of time, it will automatically enter Deep Sleep mode, and the LCD will display "Deep Sleep". The length of time before the machine enters Deep Sleep mode varies depending on the specific model and settings.
Deep Sleep mode uses less power than Sleep mode, and it cannot be disabled. However, the Sleep mode setting can be adjusted. To adjust the Sleep mode setting, press the START and OPTIONS keys simultaneously. Then, press the UP or DOWN ARROW key to choose Off and press the OK key. Finally, press the STOP/EXIT key.
If you are unable to print after the machine has entered Deep Sleep mode, there are several troubleshooting steps you can try. First, check that there is paper in the tray and clear any error messages. Then, find your Brother machine's IP address and ensure it is valid for your network. If the issue persists, try disabling the Windows firewall and rebooting the power on your router. If that does not work, uninstall the Brother software and reinstall the MFL-Pro Suite using the "Full Driver and Software Package".
It is important to note that some users have reported issues with turning off Deep Sleep mode on certain Brother printer models. On the Brother website, it is mentioned that Deep Sleep mode cannot be turned off, which has been a point of frustration for some users as the printer does not always wake itself from Deep Sleep when printing from a PC or mobile device via WiFi.
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How to disable deep sleep mode on Brother printers
If your Brother printer is in Sleep mode and does not receive any jobs for a certain length of time, it will automatically enter Deep Sleep mode, and the LCD will display "Deep Sleep". Deep Sleep mode uses less power than Sleep mode, and the machine will wake up when it receives a fax, computer data, makes a copy, or when you press a key on the control panel.
Brother states that the Deep Sleep setting cannot be turned off, but the Sleep mode setting can be adjusted.
To adjust the Sleep Time setting, follow these steps:
- Press Menu and choose General Setup => Ecology => Sleep Time.
- Use the keys on the dial pad to enter the number of minutes the machine is idle before it enters Sleep Mode. You can enter anywhere from 00 to 99 minutes.
- Press the START and OPTIONS keys simultaneously. The LCD will read "Sleep Mode: On."
- Press the UP OR DOWN ARROW key to choose Off.
- Press the OK key.
- Press the STOP/EXIT key.
Please note that if your wireless network connection (WLAN) is enabled or if your machine has secure print data, it will not enter Deep Sleep mode.
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