Samsung FACSIMILE SF40 Service Manual page 21

Chart 7 Auto Answer Problem
Start Call machine from >
another phone
Check signal on
P1-12 LIU board
Auto answer?
YES
Replace main >
board
NO
F NO
Check hook switch r Replace hook
in hook board board
Chart 8 Manual Operation Problem
Lift handset from
fax than press
start
Machine goes
on-line?
Y
eo
" = NO
Replace LIU
Sree a
i
| Replace main |
board
Y
Replace hook |
switch board
20