Read Panasonic KV-S7065C (serv.man4) Service Manual online
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
F52
(Skew (R) Sensor
adjustment error)
(Skew (R) Sensor
adjustment error)
42
00
00
00
1. Paper dust exist on or around a
Skew Sensor.
Skew Sensor.
1.
Blow off the dirt on the surface of the
sensor with the accessory blower.
(See 7.2.)
sensor with the accessory blower.
(See 7.2.)
2.
Execute Key / Sensor and Sensor
Sensitive Level tests in Sec.9.3.6 to
check the sensor condition.
Sensitive Level tests in Sec.9.3.6 to
check the sensor condition.
2. The Skew (R) Sensor does not
work properly.
work properly.
1.
Execute Key / Sensor and Sensor
Sensitive Level tests in Sec.9.3.6 to
check the sensor condition.
Sensitive Level tests in Sec.9.3.6 to
check the sensor condition.
2.
Check whether the sensor alignment is
proper (whether the sensor direction faces
to its reflector.)
proper (whether the sensor direction faces
to its reflector.)
3.
Check the following connection and
soldering condition on each connector.
soldering condition on each connector.
a.
CN5012 (STARTING SENSOR Board)
to CN5017 (SENSOR RELAY Board)
to CN5017 (SENSOR RELAY Board)
b.
CN5022 (SENSOR RELAY Board) to
CN1009 (CONTROL Board)
CN1009 (CONTROL Board)
4.
Check the following signals.
a.
SKEWR signal (CN5012-2
nd
pin,
CN5017-2
nd
pin, CN5022-8
th
pin,
CN1009-15
th
pin)
→ 1.5 V or less (when none exists on
the Waiting Sensor)
the Waiting Sensor)
b.
Check the reference signals for the
SKEWR signal on the CONTROL
Board.
SKEWR signal on the CONTROL
Board.
→ IC1015-2
nd
pin: 1.5 V or less
(After initializing)
→ IC1017-5
th
pin: Approx. 1.5 V
c.
Check comparator output signal.
→ IC1017-2
nd
pin: 3.3 V (when no
paper exists)
5.
Replace faulty parts or boards.
127
KV-S7065CSERIES
