Compaq Evo T20 Administrator's Manual page 57

Administrator's Instructions
Selecting the Printer Model
Refer to the instructions in this panel to select the model. If the User
Defined check box is selected, the next panel will prompt for the
model and manufacturer.
Printer model selection screen
If your printer is not listed, check the User Defined option. After
completing the selections/entries, click on Next to continue to the
next panel.
Quick Reference and Administrator's Guide 3–41