Speed Dialing And One-Touch Dialing Can't Be Used; Fax Can't Be Received - Brother DCP-9010CN Service Manual

9.2

Speed Dialing and One-touch Dialing can't be Used.

<User Check>
- Check that the Speed Dialing and One-touch Dialing are properly registered.
Step
1 Speed dialing
keys or one-touch
dialing keys
2 Dialing mode
setting
3 Connection
between main PCB
and NCU PCB
4 Connection
between main
PCB and panel
PCB
5 Rubber key
6 NCU PCB
7 Panel PCB
9.3

FAX can't be Received.

<User Check>
- Verify that the telephone cord is securely inserted into the right socket.
Step
1 Receive mode
setting
2 NCU PCB
3 Main PCB
Cause
Can a fax transmission
be made using the
numeric keys?
Does a dialing signal
(PB or DP) come out
normally in each mode?
(Use telephone line
emulator.)
Are the main PCB and
NCU PCB connected
properly?
Are the main PCB and
panel PCB connected
properly?
Is the problem solved
after replacing the
rubber key?
Is the problem solved
after replacing the NCU
PCB ASSY?
Is the problem solved
after replacing the
panel PCB ASSY?
Cause
Is the receive mode set
to automatic receive
mode?
Is the problem solved
after replacing the NCU
PCB ASSY?
Is the problem solved
after replacing the main
PCB ASSY?
Check
Result
Yes
Yes
No
No
Yes
Yes
Yes
Check
Result
No
Yes
Yes
3-97
Remedy
Replace the main PCB
ASSY.
Check the dialing mode
setting at customer's
again.
Check the telephone
line cord between
machine and socket.
Reconnect the
connector properly.
Reconnect the
connector properly.
Replace the rubber Key.
Replace the NCU PCB
ASSY.
Replace the panel PCB
ASSY.
Remedy
Set the receive mode to
automatic receive
mode.
Replace the NCU PCB
ASSY.
Replace the main PCB
ASSY.
Confidential