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System Requirements
• Hardware
• Both the primary and secondary devices must be equipped
with an IrDA-compliant IR component. Older,
non-IrDA-compliant devices may not be compatible with the
HP LaserJet 5/5M/5N printers.
• Software
•
The primary device must be loaded during boot-up with
software provided by the manufacturer for infrared operation.
• The primary device must be properly configured with an
infrared COM port, IRQ level, and base address value.
• The infrared port must be installed and selected in the
Printers section of the Windows Control Panel.
• The SIR transceiver pod (C2929A) accessory must be
purchased for the LaserJet 5, 5M, or 5N printer.
Protocol Serializer
IR Chip
Application
GDI DDI
Ptr DVR
IRLMP
IRLAP
IR Physical
Transmitter
Receiver
Receiver
Transmitter
IR Physical
IRLAP
IRLMP
I/O Buffer
Formatter
Data Packets & Queries
Responses
secondary
secondary
device
device
primary
device
ASCII Data
Windows
System
Standard Windows
LJ Printer Driver (SW)
IR Redirector
(Software)
IR Driver Packetizes
Data (SW or FW)
ASCII to
Raster Data
ASCII
Data Buffer
Unpacks Data
Checks Packets
Protocol
Deserializer
IR Chip
Figure B-5 IR Data Flow
LaserJet 5/5M/5N Printer B-35