HP 1320N is a Jetdirect printer with automatic double-sided printing facility. To use the features of 1320N, download the ppd file from linuxprinting.org.
Using printtool on linux or System Preferences –> Print & Fax , open the cupsd control panel
- Add Printer
- Under Printer model, choose Other, and select the ppd file you have download. This would add the required details for the 1320N printer.
From applications like Word, you can now choose the properties available under “Printer Setup/Configure” to print in dual mode etc.