Once the LaserWriter 8.x software is installed, it needs to be configured.
1) Open the Chooser
2) Select the LaserWriter 8.x driver
3) Select your printer
4) Click "Setup"
5) Click "Configure". If you don't see the "Configure" button, Click the "More Options" button
6) Select your cassette preference:
* Not Installed
* Installed
* Installed and Preferred
After configuring the print driver, those paper tray options appear in the Print dialog.