Brother HL-1800 series - Manual (Page 12)

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✒ ✒ ✒ ✒ Note
• An interface cable is not a standard accessory. Some computers have
both a USB and a parallel port. Please purchase the appropriate cable
for the interface you intend to use. Most parallel cables support bi-
directional communication, but some might have an incompatible pin
assignment or may not be IEEE 1284-compliant.
• Do not use a parallel cable that is longer than 3 metres (10 feet).
• The power cord may differ slightly from this figure depending on the
country where you purchased the printer.
• When you use a USB cable, make sure to use a high-speed twisted
cable (12Mbps), and connect it to the USB connector of your PC. Do not
use the USB connector on the front of your PC or on the iMac's
keyboard.