Here are the answers to your A) If you select Printing, Spooling, and Bypass in the Options dialog
box, the captured printer can be printed or spooled to directly. Both
options will be available to all users in their Choosers.
B) A captured printer can always be released. To release a printer
from the spooler:
1. choose Setup from the File menu
Printer Types box
3. select the particular printer you want to release
4. click the Release button.
C) The AppleShare print server can capture from one to five printers,
depending on the amount of RAM available to the print server
application. To capture more than 5 printers you will need a second
print server system.