Epson AcuLaser C9100 Reference Manual page 188

2. Select Chooser from the Apple menu, and click your printer's
icon. Select USB port or FireWire port in the "Select a printer
port" box on the right, then click Setup. The Printer Setup
dialog box appears.
Note:
Make sure On is selected under Background Printing.
3. Under Printer Sharing Set Up, click Printer Sharing Setup.
4. The Printer Sharing dialog box appears. Select the Share this
Printer check box, then type the printer name and password
information as needed.
5. Click OK to apply the settings.
6. Close Chooser.
188
Setting Up Your Printer on a Network