Panasonic KV-S3065CL SERIES Service Manual page 103

Error Code
Classified Code ST1 ST2
U12 12 00
(Conveyor Jam 1:
Paper did not
reach the Starting
Sensor.)
Possible Cause
ST3 ST4
00 00 6. Conveyor Motor circuit does not
work properly.
1. Execute Conveyor Motor test in
Sec.9.3.6 to check the motor's rotating
condition.
2. Check the following connection and
soldering condition.
a. CN5002 (POWER RELAY Board) to
CN4008 (DRIVE Board)
b. CN4001 (DRIVE Board) to CN5033
(POWER RELAY Board)
c. CN5032 (POWER RELAY Board) to
CN1012 (CONTROL Board)
d. CN1000 (CONTROL Board) to
CN2000 (INTERFACE Board)
3. Check the soldering condition of IC4001
and its surrounding circuit on DRIVE
Board to repair it.
4. Check the following signals on the DRIVE
Board.
a. IC4001-11
: See Fig.10.2.4.
b. IC4001-7
c. IC4001-15
(When executing "Conveyor Motor"
test)
5. Check the soldering condition of IC1038
on CONTROL Board to repair it.
th
a. 11 pin (CLK)
b. 2, 5, 6, 9, and 12
6. Check the soldering condition of IC2045-
th
224 pin on the INTERFACE Board to
repair it.
7. Replace faulty parts or boards.
103
KV-S3065CLSERIES / KV-S3065CWSERIES
Check Point Remarks
th
pin (CLK)
th
pin (VREF): 2.3 V or less
th
pin (ENABLE): 5 V
th
pins