Panasonic KV-S4065CL / KV-S4065CW / KV-S4065CWCN / KV-S4085CL / KV-S4085CW / KV-S4085CWCN Service Manual ▷ View online
117
10.2. Troubleshooting-2 (with an error message on PC)
Error Code
Possible Cause
Check Point
Remarks
Classification
Code
ST1 ST2 ST3 ST4
No paper
—
—
—
—
1. No document has been set on
the Hopper.
the Hopper.
Set documents on the Hopper.
2. Paper dust exists on or around
the Paper Sensor.
the Paper Sensor.
Blow off the dust with the accessory blower.
3. Paper Sensor does not work
correctly
correctly
1. Execute “Key/Sensor” test in the
Sec.9.3.6 to check the sensor condition.
2. Check the sensor attachment condition
(whether the sensor attachment direction
faces documents on the Hopper.)
3. Check the following connections and
soldering condition on each connector.
a. Paper Sensor to CN3009 (HOPPER HOME
Board)
b. CN3010(HOPPER HOME Board) to
CN1013 (CONTROL Board)
4. Check XP_EXIST signal: 0 V when paper
exists.
Sec.9.3.6 to check the sensor condition.
2. Check the sensor attachment condition
(whether the sensor attachment direction
faces documents on the Hopper.)
3. Check the following connections and
soldering condition on each connector.
a. Paper Sensor to CN3009 (HOPPER HOME
Board)
b. CN3010(HOPPER HOME Board) to
CN1013 (CONTROL Board)
4. Check XP_EXIST signal: 0 V when paper
exists.
→
CN1013-3rd pin and IC1026-9th pin
5. Check the soldering condition of IC1026 on
the CONTROL Board and repair it.
6. Replace faulty parts or boards
the CONTROL Board and repair it.
6. Replace faulty parts or boards
U11 (Paper feed jam):
Paper did not reach the
Waiting Sensor.)
Paper did not reach the
Waiting Sensor.)
11
xx
00
00 1. Paper Feed Roller module or
DFP Roller is not assembled
properly.
properly.
1. Reassemble the rollers.
2. Check the paper feed mechanism from the
Paper Feed Motor’s gear to Paper Feed
Roller’s gear. (See 6.4.)
2. Check the paper feed mechanism from the
Paper Feed Motor’s gear to Paper Feed
Roller’s gear. (See 6.4.)
2. Rollers (Paper Feed,
Separation, DFP) are dirty.
Separation, DFP) are dirty.
1. Clean the rollers. (See Sec.7.)
2. Clear counter for cleaning roller to zero with
the Service Utility described in Sec.9.
2. Clear counter for cleaning roller to zero with
the Service Utility described in Sec.9.
3. Rollers have reached their life
expectancy.
expectancy.
1. Replace the Paper Feed, Separation, and
DFP Rollers after checking each roller
configuration and Scanner Counter with the
Service Utility.
2. Clear counter for replacing roller to zero with
the Service Utility.
DFP Rollers after checking each roller
configuration and Scanner Counter with the
Service Utility.
2. Clear counter for replacing roller to zero with
the Service Utility.
4. Paper dust exists on or around
the Waiting Sensor.
the Waiting Sensor.
1. Blow off the dust with the accessory blower.
(See Sec.7.)
2. Execute “Key/Sensor” and “Sensor
Sensitive Level” tests in Sec.9.3.6 to check
the sensor condition.
(See Sec.7.)
2. Execute “Key/Sensor” and “Sensor
Sensitive Level” tests in Sec.9.3.6 to check
the sensor condition.
5. Waiting Sensor does not work
correctly.
correctly.
1. Execute “Key/Sensor” test in the Sec. 9.3.6
to check the sensor condition.
2. Check the sensor alignment is proper
(whether the sensor direction faces its
reflector.)
3. Check the following connections and
soldering condition on each connector.
a. CN3011 (DOUBLE FEED DETECTOR LCR
Board) to CN2012 (RELAY(UPPER) Board)
b. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
4. Check the following signals.
a. WAITING signal (CN1015-17th pin)
to check the sensor condition.
2. Check the sensor alignment is proper
(whether the sensor direction faces its
reflector.)
3. Check the following connections and
soldering condition on each connector.
a. CN3011 (DOUBLE FEED DETECTOR LCR
Board) to CN2012 (RELAY(UPPER) Board)
b. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
4. Check the following signals.
a. WAITING signal (CN1015-17th pin)
→
0 V (when none exists on the Waiting
Sensor)
b. Check the reference signal for the
WAITING signal on the CONTROL Board.
IC1015-2nd pin: 1.5 V or less
IC1018-3rd pin: Approx 1.5 V
c. Check comparator output signal.
b. Check the reference signal for the
WAITING signal on the CONTROL Board.
IC1015-2nd pin: 1.5 V or less
IC1018-3rd pin: Approx 1.5 V
c. Check comparator output signal.
→
IC1018-1st pin: 3.3 V (when no document
exists)
5. Replace faulty parts or cables.
5. Replace faulty parts or cables.
118
6. Paper Feed Motor does not
work properly.
work properly.
1. Check the motor mechanism condition by
carrying out “Feed Motor” test in Sec. 9.3.6.
2. Check the following connection and
soldering condition on each connector.
carrying out “Feed Motor” test in Sec. 9.3.6.
2. Check the following connection and
soldering condition on each connector.
→
Paper Feed Motor to CN4010
(DRIVE Board)
3. Check the following signals on the DRIVE
Board.
3. Check the following signals on the DRIVE
Board.
→
CN4010-7, 8, 9, and 10th pins:
See Fig. 3.
4. Replace faulty cables.
5. Replace Paper Feed Motor.
4. Replace faulty cables.
5. Replace Paper Feed Motor.
7. Paper Feed Motor control circuit
does not work properly.
does not work properly.
1. Check the following connections and
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4009 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4009-28th pin (CLK)
See Fig. 4.
b. IC4009-22nd pin (VREF): 2.5 V or less.
c. IC4009-34th pin (ENABLE):
0 V (when executing Feed Motor test)
4. Check the soldering condition of IC1024 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4009 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4009-28th pin (CLK)
See Fig. 4.
b. IC4009-22nd pin (VREF): 2.5 V or less.
c. IC4009-34th pin (ENABLE):
0 V (when executing Feed Motor test)
4. Check the soldering condition of IC1024 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
8. Separation Motor does not work
properly.
properly.
1. Check the motor mechanism condition by
carrying out “Feed Motor” test. (See 9.3.6.)
2. Check the following connection and
soldering condition on each connector.
carrying out “Feed Motor” test. (See 9.3.6.)
2. Check the following connection and
soldering condition on each connector.
→
Separation Motor to CN4010
(DRIVE Board)
3. Check the following signals on the DRIVE
Board.
3. Check the following signals on the DRIVE
Board.
→
CN4010-1, 3, 4, and 6th pins: See Fig. 5.
4. Replace faulty cables.
5. Replace Separation Motor.
5. Replace Separation Motor.
9. Separation Motor control circuit
does not work properly.
does not work properly.
1. Check the following connections and
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4008 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4008-9th pin (CLK): See Fig. 6.
b. IC4008-12th pin (VREF): 2.3 V or less.
4. Check the soldering condition of IC1028 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4008 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4008-9th pin (CLK): See Fig. 6.
b. IC4008-12th pin (VREF): 2.3 V or less.
4. Check the soldering condition of IC1028 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
Error Code
Possible Cause
Check Point
Remarks
Classification
Code
ST1 ST2 ST3 ST4
119
10. Slip Detect Sensor (1) or Slip
Detect Sensor (2) does not work
correctly.
Detect Sensor (2) does not work
correctly.
1. Execute "Slip Detect Sensor" in the Sec.
9.3.6 to check the sensor roller's rotation
counter.
2. Check the following connections and
soldering condition on each connector.
a. CN2017 (SLIP DETECTOR SENSOR (1)
Board) to CN2015 (ENCODER RELAY
Board)
b. CN2018 (SLIP DETECTOR SENSOR (2)
Board) to CN2016 (ENCODER RELAY
Board).
c. CN2014 (SLIP DETECTOR SENSOR
RELAY Board) to CN2013 (RELAY(UPPER)
BOARD)
d. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
3. Check the following parts' soldering
condition to repair it.
9.3.6 to check the sensor roller's rotation
counter.
2. Check the following connections and
soldering condition on each connector.
a. CN2017 (SLIP DETECTOR SENSOR (1)
Board) to CN2015 (ENCODER RELAY
Board)
b. CN2018 (SLIP DETECTOR SENSOR (2)
Board) to CN2016 (ENCODER RELAY
Board).
c. CN2014 (SLIP DETECTOR SENSOR
RELAY Board) to CN2013 (RELAY(UPPER)
BOARD)
d. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
3. Check the following parts' soldering
condition to repair it.
→
IC2001, Q3030, Q3031, Q3032, Q3033,
and their surrounding circuits.
4. Check the following signals.
4. Check the following signals.
→
CN2013 1st pin: 5V
5. Replace faulty parts or cables.
11. One of the pressure levels
applied to documents from the
Hopper is not correct.
applied to documents from the
Hopper is not correct.
1. Execute "Roller Pressure Sensor Level" in
Sec. 9.3.6 to check the pressure to the Paper
Feed Roller.
2. Re-assemble the spring.
(Location: See 8.3.26.)
3. Confirm the wire cable from the Roller
Pressure Sensor goes slack.
(See Reassembling Note in 8.3.24.)
4. Check that the wire cable from SLIP
DETECTOR SENSOR (2) Board and any
other cables do not crossed each other.
(See Reassembling Note in 8.3.26.)
5. Check whether the beam is almost removed.
(Beam position: See 6.3.)
Sec. 9.3.6 to check the pressure to the Paper
Feed Roller.
2. Re-assemble the spring.
(Location: See 8.3.26.)
3. Confirm the wire cable from the Roller
Pressure Sensor goes slack.
(See Reassembling Note in 8.3.24.)
4. Check that the wire cable from SLIP
DETECTOR SENSOR (2) Board and any
other cables do not crossed each other.
(See Reassembling Note in 8.3.26.)
5. Check whether the beam is almost removed.
(Beam position: See 6.3.)
→
Mount the beam to the Roller Holder Unit
correctly
6. Check the following connections and
soldering condition on each connector.
a. CN1016 (CONTROL Board) to Relay
connector (Roller Holder Unit)
b. Relay connector to Roller Pressure
Sensor
7. Check the following parts' soldering
condition to repair it.
6. Check the following connections and
soldering condition on each connector.
a. CN1016 (CONTROL Board) to Relay
connector (Roller Holder Unit)
b. Relay connector to Roller Pressure
Sensor
7. Check the following parts' soldering
condition to repair it.
→
CN1016, IC1022, IC1023, IC1024, and
their surrounding circuits
8. Check the following signals.
8. Check the following signals.
→
CN1016-1st pin: 500 Hz (See Fig.1.)
→
CN1016-2nd pin: 5 V
→
CN1016-3rd pin: 5V or less pulse
(See Fig.2.)
9. Replace faulty parts or boards.
9. Replace faulty parts or boards.
U12 (Conveyor Jam1:
Paper did not reach the
Starting Sensor.)
Paper did not reach the
Starting Sensor.)
12
00
00
00 1. Document remains between
Waiting Sensor and Starting
Sensor.
Sensor.
Remove the document from the scanner.
2. Paper dust exists on or around
the Starting Sensor.
the Starting Sensor.
1. Blow off the dust with the accessory blower.
(See Sec.7.)
2. Execute “Key/Sensor” and “Sensor
Sensitive Level” tests in Sec.9.3.6 to check
the sensor condition.
(See Sec.7.)
2. Execute “Key/Sensor” and “Sensor
Sensitive Level” tests in Sec.9.3.6 to check
the sensor condition.
Error Code
Possible Cause
Check Point
Remarks
Classification
Code
ST1 ST2 ST3 ST4
120
3. Starting Sensor does not work
correctly.
correctly.
1. Execute “Key/Sensor” test in Sec. 9.3.6
to check the sensor condition.
2. Check the sensor alignment is proper.
(whether the sensor direction faces its
reflector)
3. Check the following connections and
soldering condition on each connector.
a. CN3012 (STARTING SENSOR Board) to
CN2009 (RELAY(UPPER) Board)
b. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
4. Check the following signals.
a. STARTING signal (CN1015-19th pin)
to check the sensor condition.
2. Check the sensor alignment is proper.
(whether the sensor direction faces its
reflector)
3. Check the following connections and
soldering condition on each connector.
a. CN3012 (STARTING SENSOR Board) to
CN2009 (RELAY(UPPER) Board)
b. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
4. Check the following signals.
a. STARTING signal (CN1015-19th pin)
→
0 V (when none exists on the Starting
Sensor)
b. Check the reference signal for the
STARTING signal on the CONTROL signal.
b. Check the reference signal for the
STARTING signal on the CONTROL signal.
→
IC1015-6th pin: 1.5 V or less
→
IC1018-5th pin: Approx 1.5 V
c. Check comparator output signal.
→
IC1018-7th pin: 3.3 V (when no document
exists)
5. Replace faulty parts or boards.
5. Replace faulty parts or boards.
4. Mechanical problem (Drive
Roller, Drive Belt, Conveyor)
Roller, Drive Belt, Conveyor)
1. Execute “Feed Motor” and “Conveyor
Motor” tests in Sec. 9.3.6 to check the
mechanical condition.
2. Check whether the Drive Rollers (especially
Drive Roller 1), the Drive belt, and the
conveyor to support the Drive Rollers are
assembled properly in the scanner.
Motor” tests in Sec. 9.3.6 to check the
mechanical condition.
2. Check whether the Drive Rollers (especially
Drive Roller 1), the Drive belt, and the
conveyor to support the Drive Rollers are
assembled properly in the scanner.
5. Conveyor Motor does not work
properly.
properly.
1. Check the motor mechanism condition by
carrying out “Conveyor Motor” test. (See
9.3.6.)
2. Check the following connection and
soldering condition on each connector.
carrying out “Conveyor Motor” test. (See
9.3.6.)
2. Check the following connection and
soldering condition on each connector.
→
Separation Motor to CN4011(DRIVE
Board)
3. Check the following signals on the DRIVE
Board.
3. Check the following signals on the DRIVE
Board.
→
CN4011-1, 3, 4, and 6th pins:
See Fig. 7.
4. Replace faulty cables.
5. Replace the Conveyor Motor.
4. Replace faulty cables.
5. Replace the Conveyor Motor.
6. Conveyor Motor circuit does not
work properly.
work properly.
1. Check the following connections and
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4005 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4005-11th pin (CLK): See Fig. 8.
b. IC4005-7th pin (VREF): 2.3 V or less.
c. IC4005-15th pin (ENABLE): 5 V
(when executing Conveyor Motor test)
4. Check the soldering condition of IC1028 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4005 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4005-11th pin (CLK): See Fig. 8.
b. IC4005-7th pin (VREF): 2.3 V or less.
c. IC4005-15th pin (ENABLE): 5 V
(when executing Conveyor Motor test)
4. Check the soldering condition of IC1028 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
U13 (Conveyor Jam2:
Paper did not reach the
Paper Jam Sensor.)
Paper did not reach the
Paper Jam Sensor.)
13
00
00
00 1. Document remains between
Starting Sensor and Paper Jam
Sensor
Sensor
Remove the document from the scanner.
Error Code
Possible Cause
Check Point
Remarks
Classification
Code
ST1 ST2 ST3 ST4
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