Brother QL-810W Ultra-Fast Label Printer with Wireless Networking - Manual (Page 96)

Other Functions
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Important
If printing in monochrome using a 2.4" (62 mm) Black/Red DK Roll, apply the settings as described above.
Mass Storage Mode (QL-820NWB only)
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Description
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The mass storage feature allows you to send a file to the Label Printer using the USB interface, without
installing a printer driver.
This feature is useful for:
 Applying printer settings saved in a command file (.bin file format) or adding templates (.blf file format) into
the Label Printer distributed by the administrator without using any software tools.
 Executing commands without installing the printer driver
 Using a device with an operating system (including non-Windows operating systems) that has a USB host
feature to print and transmit data