78 Chapter 4 Input/Output (I/O) EN
LocalTalk I/O
The LocalTalk interface enables you to print directly from a standalone
Apple Macintosh computer or from a Macintosh computer on a
LocalTalk network. For specific information on configuring your
computer and printer to print through a LocalTalk interface, refer to the
printer’s getting started guide and the HP JetDirect Print Server
Software Installation Guide.
CPU
The 4500 series formatter PCB incorporates a 133MHz RISC
processor.
The 4550 series formatter PCB incorporates a 233 MHz RISC
processor.
Fast InfraRed Receiver (optional)
The HP Fast InfraRed Receiver enables cableless printing from any
IrDA-compliant portable device (such as a laptop computer) to the HP
Color LaserJet 4550 printer (when the optional FIR accessory is
installed).
The printing connection is maintained by positioning the sending FIR
port within operating range. Note that the connection can be blocked by
objects such as a hand, paper, direct sunlight, or any bright light shining
into either the sending or receiving FIR port.
System requirements
In order to print with the HP Fast InfraRed Receiver, you will need:
• the receiver connected to this printer
• IrDA-compliant portable or other IR-capable host supporting IRLPT
or JetSend Communications Technology over IR
www.GovTechMedia.com
