D-Link DPR-1020 Manual page 158

Unix/Linux Printing
If a printer has not been detected automatically, select the model from the list. You
can manually select the name of the printer manufacturer from the Generic (click to
select manufacturer) drop-down menu, and then the printer model from the sub-list.
Click Forward to continue.
9. The last step is to confirm your printer configuration. Click the Apply button to
confirm or Back button to modify the configuration.
D-Link DPR-1020 - User Manual 154