Read Panasonic KV-S3065CL / KV-S3065CW (serv.man4) Service Manual online
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
F53
(Skew (L) Sensor
adjustment error)
(Skew (L) Sensor
adjustment error)
43
00
00
00
1. Paper dust exists on or around a
Skew (L) Sensor.
Skew (L) 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 (L) Sensor does not
work correctly.
work correctly.
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.
CN5027 (WAITING SENSOR Board)
to CN5025 (RELAY (UPPER) Board)
to CN5025 (RELAY (UPPER) Board)
b.
CN5022 (RELAY (UPPER) Board) to
CN1014 (CONTROL Board)
CN1014 (CONTROL Board)
4.
Check the following signals.
a.
SKEW_L signal (CN5027-4
th
pin,
CN5025-4
th
pin, CN5022-6
th
pin,
CN1014-6
th
pin)
→ 0 V (when none exists on the
Skew (L) Sensor)
b.
Check the reference signals for the
SKEW_L signal on the CONTROL
Board.
SKEW_L signal on the CONTROL
Board.
→ IC1015-9
th
pin: 1.5 V or less
(After initializing)
→ IC1017-9
th
pin: Approx. 1.5 V
c.
Check comparator output signal.
→ IC1017-14
th
pin: 3.3 V
(When no paper exists)
5.
Replace faulty parts or boards.
119
KV-S3065CLSERIES / KV-S3065CWSERIES
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