Brother MFC Maintenance Codes

Press Menu * 2 8 6 4
"Maintenance" appears
01 Parameter Init
11 Configuration List
55 Scan Area Set
66 Media Sensor Adj (Left: 10, Right: 10)
74 Country Code
77 Status Page
88 AMS00
91 Parameter Init
99 Exit

Vista Infinite Update Loop

Fixed reboot loop by using Vista CD to enter recovery command prompt, renamed C:\Windows\WinSxS\pending.xml to pending.xml.OLD
booted fine to login screen.