Panasonic KV-S5076H / KV-S5046H Service Manual ▷ View online
121
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
put together into the scanner, properly.
3. Check the surfaces of the Drive Roller (1).
a. Configuration:
Do the rollers swell irregularly?
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
put together into the scanner, properly.
3. Check the surfaces of the Drive Roller (1).
a. Configuration:
Do the rollers swell irregularly?
Replace the roller.
b. Whether the roller surface is dirty
Clean the surface.
4. Check whether the Drive Belt tension is
proper.
proper.
Re-adjust the belt tension.
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.
Conveyor Motor to CN4004
(DRIVE Board)
3. Check the following signals on the DRIVE
Board.
3. Check the following signals on the DRIVE
Board.
CN4004-1, 3, 4, and 6th pins:
See Fig. 3.
4. Replace faulty cables.
5. Replace Conveyor Motor.
4. Replace faulty cables.
5. Replace Conveyor Motor.
6. Conveyor Motor circuit does not
work properly.
work properly.
1. Check the following connection and
soldering condition on each connector.
soldering condition on each connector.
CN1002 (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.
2. Check the soldering condition of IC4009
and its surrounding parts.
3. Check the following signals on the
DRIVE Board.
a. IC4009-12th pin (CLK): See Fig. 4.
b. IC4009-19th pin (VREF): 2.3V or less.
c. IC4009-15th pin (ENABLE): 3.3 V
(when executing Conveyor Motor test)
b. IC4009-19th pin (VREF): 2.3V or less.
c. IC4009-15th pin (ENABLE): 3.3 V
(when executing Conveyor Motor test)
4. Check the soldering condition of IC0015 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
7. DFP Pressure Motor does not
work properly.
work properly.
1. Check the motor mechanism condition by
carrying out DFP Pressure Drive test.
(See 9.3.6.)
2. Check the following connection and
soldering condition on each connector.
carrying out DFP Pressure Drive test.
(See 9.3.6.)
2. Check the following connection and
soldering condition on each connector.
DFP Pressure Motor to CN4008 (DRIVE
Board)
3. Check the following signals on the DRIVE
Board.
3. Check the following signals on the DRIVE
Board.
CN4008-1 to 4th pins: See Fig. 5.
4. Replace faulty cables.
5. Replace DFP Pressure Motor.
5. Replace DFP Pressure Motor.
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
122
8. DFP Pressure Motor circuit does
not work properly.
not work properly.
1. Check the following connection and
soldering condition on each connector.
soldering condition on each connector.
CN1002 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4018
and its surrounding parts.
3. Check the following signals on the
DRIVE Board.
a. IC4018-2nd pin (ENABLE)
b. IC4018-14th pin (CLK)
2. Check the soldering condition of IC4018
and its surrounding parts.
3. Check the following signals on the
DRIVE Board.
a. IC4018-2nd pin (ENABLE)
b. IC4018-14th pin (CLK)
c. IC4018-17th pin (DIR)
d. IC4018-15th pin (REF)
4. Check the soldering condition of IC0015
on the CONTROL Board to repair it.
5. Replace faulty parts or boards.
4. Check the soldering condition of IC0015
on the CONTROL Board to repair it.
5. Replace faulty parts or boards.
9. Paper Feed Roller module or
DFP Roller is not assembled
properly.
DFP Roller is not assembled
properly.
Refer to the 1st item on Classified Code U11.
10. Rollers (Paper Feed,
Separation, DFP) are dirty.
Separation, DFP) are dirty.
Refer to the 2nd item on Classified Code U11.
11. Rollers have reached their life
expectancy.
expectancy.
Refer to the 3rd item on Classified Code U11.
U13 (Conveyor Jam2:
Paper did not reach the
Starting Sensor.)
Paper did not reach the
Starting Sensor.)
13
00
00
00 1. Document remains between
Starting Sensor and Slip Detect
Sensor.
Sensor.
Remove the document from the scanner.
2. Paper dust exists on or around
Starting Sensor.
Starting Sensor.
1. Clean up the dirt with cleaning paper or
cotton swab or soft and dry cloth.
(See Sec.7.)
2. Execute Key/Sensor and Sensor Sensitive
Level tests in Sec. 9.3.6 to check the sensor
condition.
cotton swab or soft and dry cloth.
(See Sec.7.)
2. Execute Key/Sensor and Sensor Sensitive
Level tests in Sec. 9.3.6 to check the sensor
condition.
3. Starting 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 to
its reflector)
3. Check the following connection and
soldering condition on each connector.
check the sensor condition.
2. Check the sensor alignment is proper.
(whether the sensor direction faces to
its reflector)
3. Check the following connection and
soldering condition on each connector.
a. CN3007 (STARTING SENSOR Board)
to CN2008 (USS RELAY Board)
b. CN2006 (USS RELAY Board)
to CN1008 (CONTROL Board)
4. Check the following signals.
4. Check the following signals.
a. STARTING signal (CN2008-1st pin,
CN1008-3rd pin)
Approx. 1 V (when nonexistence on the
Starting Sensor)
b. Check the reference signal for the
STARTING signal on the CONTROL
Board.
b. Check the reference signal for the
STARTING signal on the CONTROL
Board.
IC0023-3rd pin: 1.5 V or less
IC0025-2nd pin: Approx. 1.5 V
c. Check comparator output signal.
IC0017-8th pin: 3.3 V
(when no document exists)
5. Replace faulty parts or boards.
5. Replace faulty parts or boards.
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
123
4. Mechanical problem (Drive
Rollers, Drive Belt)
Rollers, Drive Belt)
1. Check the Starting Sensor’s mechanical
position and its status.
2. Execute Conveyor Motor test in Sec. 9.3.6
to check the mechanical condition.
3. Check whether the Drive Rollers (1 and 2),
and Drive Belt, and also check whether the
conveyors to support the Drive Rollers are
put together into the scanner, properly.
4. Check the surfaces of the Drive Rollers (1
and 2).
a. Configuration:
position and its status.
2. Execute Conveyor Motor test in Sec. 9.3.6
to check the mechanical condition.
3. Check whether the Drive Rollers (1 and 2),
and Drive Belt, and also check whether the
conveyors to support the Drive Rollers are
put together into the scanner, properly.
4. Check the surfaces of the Drive Rollers (1
and 2).
a. Configuration:
Do the rollers swell irregularly?
Replace the rollers.
b. Whether the roller surfaces are dirty
Clean the surfaces.
5. Check whether the Drive Belt tension is
proper.
proper.
Re-adjust the belt tension.
U14 (Conveyor Jam3:
Paper did not reach the
Exit Sensor.
Paper did not reach the
Exit Sensor.
14
00
00
00 1. Document remains between
Starting Sensor and Exit Sensor.
Remove the document from the scanner.
2. Paper dust exists on or around
the Exit Sensor.
the Exit Sensor.
1. Clean up the dirt with cleaning paper or
cotton swab or soft and dry cloth.
(See Sec.7.)
2. Execute Key/Sensor and Sensor Sensitive
Level tests in Sec.9.3.6 to check the sensor
condition.
cotton swab or soft and dry cloth.
(See Sec.7.)
2. Execute Key/Sensor and Sensor Sensitive
Level tests in Sec.9.3.6 to check the sensor
condition.
3. Exit 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 to its
reflector.)
3. Check the following connection and
soldering condition on each connector.
check the sensor condition.
2. Check the sensor alignment is proper
(whether the sensor direction faces to its
reflector.)
3. Check the following connection and
soldering condition on each connector.
a. CN3003 (ENDING SENSOR Board)
to CN2004 (USR RELAY Board)
b. CN2001 (USR RELAY Board)
to CN1007 (CONTROL Board)
4. Check the following signals.
4. Check the following signals.
a. ENDING signal (CN2004-1st or
CN1007-4th pin)
CN1007-4th pin)
Approx. 1 V (when none exists on the
Exit Sensor)
b. Check the reference signal for the
ENDING signal on the CONTROL Board.
IC0023-5th pin: 1.5 V or less
IC0025-6th pin: Approx. 1.5 V
c. Check comparator output signal.
ENDING signal on the CONTROL Board.
IC0023-5th pin: 1.5 V or less
IC0025-6th pin: Approx. 1.5 V
c. Check comparator output signal.
IC0017-6th pin: 3.3 V (when no
document exists)
5. Replace faulty parts or cables.
5. Replace faulty parts or cables.
4. Mechanical problem (Drive
Rollers, Drive Belt, Conveyor)
Rollers, Drive Belt, Conveyor)
1. Execute Conveyor Motor test in Sec.9.3.6
to check the mechanical condition.
2. Check whether the Drive Rollers (2, 3),
Drive Belt, and the conveyor to support
the Drive Rollers are put together into
the scanner, properly.
3. Check the surfaces of the Drive Rollers
(2, 3).
a. Configuration:
to check the mechanical condition.
2. Check whether the Drive Rollers (2, 3),
Drive Belt, and the conveyor to support
the Drive Rollers are put together into
the scanner, properly.
3. Check the surfaces of the Drive Rollers
(2, 3).
a. Configuration:
Do the rollers swell irregularly?
Replace the rollers.
b. Whether the roller surfaces are dirty
Clean the surfaces.
4. Check whether the Drive Belt tension is
proper.
proper.
U16 (Exit Jam1: Paper
did not pass through
the Exit Sensor)
did not pass through
the Exit Sensor)
16
00
00
00 1. Document remains forward
Exit Sensor.
Remove the document from the scanner.
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
124
2. Paper dust exists on or around
the Exit Sensor.
the Exit Sensor.
1. Clean up the dirt with cleaning paper or
cotton swab or soft and dry cloth.
(See Sec.7.2.)
2. Execute Key/Sensor and Sensor Sensitive
Level tests in Sec. 9.3.6 to check the sensor
condition.
cotton swab or soft and dry cloth.
(See Sec.7.2.)
2. Execute Key/Sensor and Sensor Sensitive
Level tests in Sec. 9.3.6 to check the sensor
condition.
3. Mechanical problem (Exit Roller,
Drive Belt, Conveyor)
Drive Belt, Conveyor)
1. Execute Conveyor Motor test in Sec.9.3.6
to check the mechanical condition.
2. Check whether the Drive Roller (3), Exit
Roller, Drive Belt, and the conveyor to
support the rollers are put together into the
scanner, properly.
3. Check the surfaces of the Drive Roller (3)
and the Exit Roller.
a. Configuration:
to check the mechanical condition.
2. Check whether the Drive Roller (3), Exit
Roller, Drive Belt, and the conveyor to
support the rollers are put together into the
scanner, properly.
3. Check the surfaces of the Drive Roller (3)
and the Exit Roller.
a. Configuration:
Do the rollers swell irregularly?
Replace the rollers.
b. Whether the roller surfaces are dirty
Clean the surfaces.
4. Check whether the Drive Belt tension is
proper.
proper.
Re-adjust the belt tension.
U18 (Paper remains in
the scanner)
the scanner)
18
xx
00
00 1. Document remains in scanner.
Remove the document from the scanner.
2. Paper dust exists on a sensor.
1. Execute Key/Sensor and Sensor Sensitive
Level tests in Sec. 9.3.6 to define the sensor
that results in this problem.
2. Clean up the dirt with cleaning paper or
cotton swab or soft and dry cloth.
(See Sec.7.2.)
Level tests in Sec. 9.3.6 to define the sensor
that results in this problem.
2. Clean up the dirt with cleaning paper or
cotton swab or soft and dry cloth.
(See Sec.7.2.)
18
01
00
00 3. Skew sensor right does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection sheet.
1. Check the following connection and
soldering condition on each connector.
and reflection sheet.
1. Check the following connection and
soldering condition on each connector.
a. CN3019(SKEW SENSOR(R) Board) to
CN2036(BENT RELAY Board).
b. CN2030(BENT RELAY Board) to
CNCN2007(USS RELAY Board).
c. CN2006(USS RELAY Board) to
CN1008(CONTROL Board).
2. Check the soldering condition of IC3007 and
their surrounding circuit on the SKEW
SENSOR(R) Board.
3. Check the soldering condition of IC2005,
IC2008, and Q2032 and their surrounding
circuit on the USS RELAY Board.
4. Check the soldering condition of IC0053,
IC0015, IC0011 and CPU(IC0006) and their
surrounding circuit on the CONTROL Board.
5. Replace faulty parts or related Board.
2. Check the soldering condition of IC3007 and
their surrounding circuit on the SKEW
SENSOR(R) Board.
3. Check the soldering condition of IC2005,
IC2008, and Q2032 and their surrounding
circuit on the USS RELAY Board.
4. Check the soldering condition of IC0053,
IC0015, IC0011 and CPU(IC0006) and their
surrounding circuit on the CONTROL Board.
5. Replace faulty parts or related Board.
18
02
00
00 4. Skew sensor left does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection sheet.
1. Check the following connection and
soldering condition on each connector.
and reflection sheet.
1. Check the following connection and
soldering condition on each connector.
a. CN3020(SKEW SENSOR(L) Board) to
CN2037(BENT RELAY Board).
b. CN2030(BENT RELAY Board) to
CNCN2007(USS RELAY Board).
c. CN2006(USS RELAY Board) to
CN1008(CONTROL Board).
2. Check the soldering condition of IC3006 and
their surrounding circuit on the SKEW
SENSOR(L) Board.
3. Check the soldering condition of IC2005,
IC2008, and Q2031 and their surrounding
circuit on the USS RELAY Board.
4. Check the soldering condition of IC0053,
IC0015, IC0011 and CPU(IC0006) and their
surrounding circuit on the CONTROL Board.
5. Replace faulty parts or related Board.
2. Check the soldering condition of IC3006 and
their surrounding circuit on the SKEW
SENSOR(L) Board.
3. Check the soldering condition of IC2005,
IC2008, and Q2031 and their surrounding
circuit on the USS RELAY Board.
4. Check the soldering condition of IC0053,
IC0015, IC0011 and CPU(IC0006) and their
surrounding circuit on the CONTROL Board.
5. Replace faulty parts or related Board.
Error Code
Possible Cause
Check Point
Remarks
Classified Code ST1 ST2 ST3 ST4
Click on the first or last page to see other KV-S5076H / KV-S5046H service manuals if exist.