MFC-9420CN
FAQs & Troubleshooting |
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- 101/28/2013The keys on the control panel do not respond.
- 208/26/2011I heard a beep sound from the UPS (Uninterruptible Power Supply) when I turned on my Brother machine.
- 306/26/2007Why does my computer become unresponsive when using the USB interface to connect the Brother machine?
- 411/08/2005Why does my Brother machine make a clunking noise when powered on or printing?