Xerox 4520 User Manual page 152

I n s t a l l i n g a S I M M
5-12 4 5 2 0 / 4 5 2 0 m p U s e r ' s G u i d e
13
Tighten the
thumbscrews using
only your fingers.
Do not use tools.
If the thumbscrews do not
easily turn, reseat the
controller board and try
Note
again.
14
Reinstall any font
cards removed in
Step 4.