HP DesignJet Z2600 Z5600 PostScript Printer - User guide

Spindle
A rod that supports a roll of paper while it is being used for printing.
TCP/IP
Transmission Control Protocol/Internet Protocol: the communications protocols on which the Internet is based.
USB
Universal Serial Bus: a standard serial bus designed to connect devices to computers.
USB host port
A rectangular USB socket such as those on found on computers. A printer can control USB devices that are connected to
such a port. Your printer has two USB host ports, which it uses to control accessories and USB
ash drives.
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