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Operations
Select a Communication Interface
16
13291L-001 Rev. A S4M Maintenance Manual 10/27/05
IEEE 1284 Bidirectional Parallel A common communication method available on most
PCs and other hosts. See Parallel Data Port on page 364.
Advantages: Fastest of the communication interfaces; cables and connectors are readily
available from computer equipment stores and suppliers; two-way communication
between the host and the printer; easy to connect.
Disadvantages: Shorter recommended cable length of 6 feet (1.83 m) with a maximum of
length 10 ft (3 m); many computers are equipped with only one parallel port, allowing
only one IEEE 1284 bidirectional device to be connected at a time.
Figure 11 • Communicating Using a Parallel Port
USB 1.1 Port Communicating using the USB port (see Figure 12) does not require special
settings. See USB 1.1 Port on page 366.
Advantages: Many computers are equipped with more than one USB port, allowing
multiple USB devices to be connected at one time; cables and connectors are readily
available from computer equipment stores and suppliers; two-way communication
between the host and the printer; easy to connect.
Disadvantages: Cable length limited to 16.4 ft. (5 m).
136-pin male connector, attaching to printer
225-pin male connector, attaching to computer
3Maximum cable length = 10 ft. (3 m)
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Print er Comput er
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