HP Deskjet 450 Mobile Printer series - Manual (Page 25)

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3 Click the Setup tab and select the print settings you want.
4 Once you have made the necessary changes, click OK to activate the
change and close the Properties dialog box.
To print from a Windows application
1 Click File > Print .
2 Select the printer in the Print dialog box, and make any other desired
changes to the print settings.
3 Click Print .
Infrared printing
If you use a notebook computer equipped with infrared technology, you can
establish a wireless connection with the printer to send a print job.
Please refer to your notebook’s user documentation for how to configure
infrared settings and connections.
1 Locate the infrared lens on the notebook.
2 Align the notebook infrared lens with the printer infrared lens.
Position your notebook so that its infrared lens is within 3 feet (1 meter)
from the printer and within a 30-degree total angle from the printer’s
infrared lens.
3 Follow the instructions supplied with your notebook to send the job to print.
During the information transfer process, the notebook projects a solid infrared
beam to the printer and the infrared LED turns green. When the information
transfer is complete, the beam and LED turn off.
If you primarily use the HP Deskjet 450 printer, you can make it your
default printer by clicking
Start > Settings > Printers . In the Printers folder,
right-click on the printer icon, and then click Set As Default Printer in the
pop-up menu.
Make sure there are no obstacles between the device and printer.