Brother International MFC-9340CDW Users Manual - English - Page 123
WT Box End Soon, Remove the Device.
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Troubleshooting Error Message Cause Action Toner Low If the Touchscreen shows Toner Low you can still print; however, the machine is telling you that the toner cartridge is near the end of its life. Order a new toner cartridge for the color that is indicated on the Touchscreen now so a replacement toner cartridge will be available when the Touchscreen shows Replace Toner. Too Many Files There are too many files stored Reduce the number of files stored on the USB on the USB Flash memory Flash memory drive. drive. Touchscreen Initialization Failed The Touchscreen was pressed Make sure nothing is touching or resting on the before the power on Touchscreen. initialization was completed. Debris may be stuck between the lower part of the Touchscreen and its frame. Insert a piece of stiff paper between the lower part of the Touchscreen and its frame and slide it back and forth to push out the debris. Unusable Device Remove the Device. Turn the power off and back on again. A defective USB device or a high power consumption USB device has been connected to the USB direct interface. Unplug the device from the USB direct interface. Press and hold down to turn the machine off, and then turn it on again. Unusable Device A USB device or USB Flash memory drive that is encrypted or not supported has been connected to the USB direct interface. Unplug the device from the USB direct interface (see the specifications for supported USB Flash memory drives in Printing data from a USB Flash memory drive or digital camera supporting mass storage (For MFC-9330CDW and MFC-9340CDW) on page 61). USB Write-protected The protect switch of the USB Turn off the protect switch of the USB Flash Flash memory drive is on. memory drive. WT Box End Soon The waste toner box is near the Buy a new waste toner box before you get a end of its life. Replace WT Box message. B 109