HP 5m C3917A, C2021A, 5n C3952A, 5 C3916A, 4 C2001A Figure B-5 IR Data Flow, System Requirements

		primary
		device
Application				secondary
		ASCII Data		device
		Windows	Formatter	ASCII to
GDI	DDI			Raster Data
		System
Ptr DVR		Standard Windows	I/O Buffer	ASCII
				Data Buffer
		LJ Printer Driver (SW)
IRLMP		IR Redirector	IRLMP	Unpacks Data
		(Software)
		IR Driver Packetizes	IRLAP	Checks Packets
IRLAP		Data (SW or FW)
		Protocol Serializer	IR Physical	Protocol
IR Physical				Deserializer
		IR Chip		IR Chip
Transmitter		Data Packets & Queries	Receiver
Receiver			Responses
			Transmitter
Figure B-5		IR Data Flow

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.

LaserJet 5/5M/5N Printer B-35