Epson AcuLaser C8600 Reference Manual page 130

If the additional drivers are installed or the computers of the server
and clients use the same OS, you do not have to install the printer
drivers from the CD-ROM.
1. Access the shared printer and a prompt may appear. Click
OK, and then follow the on-screen instructions to install the
printer driver from the CD-ROM.
2. Insert the CD-ROM, then type the appropriate drive and
folder names in which the printer driver for clients is located,
then click OK.
When installing drivers in Windows 2000/XP, "Digital
Signature is not found." may appear. Click Yes (for Windows
2000) or Continue Anyway (for Windows XP) and continue
installing.
The folder name differs depending on the OS being used.
Client
Windows Me/98/95
Windows 2000/XP
Windows NT 4.0
3. Select the name of the printer, then click OK. Then follow the
on-screen instructions.
128 Setting Up Your Printer on a Network
'
s OS Folder Name
\<Language>\WIN9X
\<Language>\WIN2000
\<Language>\WINNT40