Oki MICROLINE ML320 Maintenance Manual - page 229
of
354
The FF switch does not function.
The FF SW signal on pin 17 of
is at low level when the FF switch is pressed?
l
No
Replace
or LXSP board.
Yes The output signal on pin 12 of
the input signals on pins 1 and 19 of
occasionally drop to low level?
the output signal
the input
signals
on pins
Figure 21
l
No
The output signal on pin 10 of
or the input signals on pins
and 13 of
occasionally rise to high level?
the output signal
on
pin
the input signals on pins
Figure 22
No Replace Q4.
Yes Replace
Yes Replace
1-16