Service manual

FO-4400U
FO-CS1
7 – 3
[3] Power On Sequence
CPU initialized
Dual Port RAM check
START
STAND BY
ROM check No “MEMORY CLEAR” display
MODEM initialized
Power on
Entry data clear
Image data clear
YES
NO
memory clear?
“1” Key
“2” Key
“COPY” Key
“3” Key
YES
YES
PROCESS CHECK
YES
YES
NO
NO
NO
NO
Read Entry data from Flash
ERROR MESSAGE
Option board
Error
OK
error check