Panasonic KV-S7065C (serv.man4) Service Manual ▷ View online
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
U14
(Conveyor jam 2:
Paper does not
reach the Ending
Sensor’s
position.)
(Conveyor jam 2:
Paper does not
reach the Ending
Sensor’s
position.)
14
00
00
00
1. Document remains between
Starting Sensor and Ending Sensor.
Starting Sensor and Ending Sensor.
Remove the document from the scanner.
2. Paper dust exist on or around the
Ending Sensor.
Ending Sensor.
1.
Blow off the dirt with the accessory
blower. (See Sec.7.2.)
blower. (See Sec.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.
3. Ending Sensor does not work
correctly.
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.
CN5015 (ENDING SENSOR Board) to
CN5016 (SENSOR RELAY Board)
CN5016 (SENSOR RELAY Board)
b.
CN5022 (SENSOR RELAY Board) to
CN1009 (CONTROL Board)
CN1009 (CONTROL Board)
4.
Check the following signals.
a.
PEXIT signal (CN5015-2
nd
pin,
CN5016-2
nd
pin, CN5022-7
th
pin,
CN1009-16
th
pin)
→ 1.5 V or less (when none exists on
the Ending Sensor)
the Ending Sensor)
b.
Check the reference signals for the
PEXIT signal on the CONTROL
Board.
PEXIT signal on the CONTROL
Board.
→ IC1015-6
th
pin: 1.5 V or less
(After initializing)
→ IC1017-7
th
pin: Approx. 1.5 V
c.
Check comparator output signal.
→ IC1017-1
st
pin: 3.3 V (when no
paper exists)
5.
Replace faulty parts or board.
4. Mechanical problem (Drive Roller,
Drive Belt, Conveyor)
Drive Belt, Conveyor)
1.
Execute Conveyor Motor test in
Sec.9.3.6 to check the mechanical
condition.
Sec.9.3.6 to check the mechanical
condition.
2.
Check whether the Drive Rollers (3, 4),
the Drive belt, and the conveyor to
support the Drive Rollers are put together
into the scanner properly.
the Drive belt, and the conveyor to
support the Drive Rollers are put together
into the scanner properly.
3.
Check the surface of the Drive Rollers (3,
4).
4).
a.
Configuration:
Is the roller shape irregular?
Is the roller shape irregular?
→ 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 (See
8.3.18.).
8.3.18.).
117
KV-S7065CSERIES
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
U16
(Exit jam: around
Exit Roller)
(Exit jam: around
Exit Roller)
16
00
00
00
1. Document remains forward
Ending Sensor.
Ending Sensor.
Remove the document from the scanner.
2. Paper dust exist on or around the
Ending Sensor.
Ending Sensor.
1.
Blow off the dirt with the accessory
blower. (See Sec.7.2.)
blower. (See Sec.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.
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.
Sec.9.3.6 to check the mechanical
condition.
2.
Check whether the Drive Rollers (3, 4),
Exit Roller, Drive belt, and the conveyor to
support the rollers are put together into
the scanner properly.
Exit Roller, Drive belt, and the conveyor to
support the rollers are put together into
the scanner properly.
3.
Check the surface of Drive Roller, or of
Exit Roller.
Exit Roller.
a.
Configuration:
Is the roller shape irregular?
Is the roller shape irregular?
→ 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 (See
8.3.18.).
8.3.18.).
U18
(Document
remains in
scanner)
(Document
remains in
scanner)
18
xx
00
00
1. Document remains in scanner.
Remove the document from the scanner.
2. Paper dust exist 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.
Sensitive Level tests in Sec.9.3.6 to
define the sensor that results in this
problem.
2.
Blow off the dirt on the surface of the
sensor with the accessory blower.
(See Sec.7.2.)
sensor with the accessory blower.
(See Sec.7.2.)
3. A sensor does not work correctly. 1.
Execute Key / Sensor and Sensor
Sensitive Level tests in Sec.9.3.6 to
define the sensor that results in this
problem.
Sensitive Level tests in Sec.9.3.6 to
define the sensor that results in this
problem.
2.
Check each sensor, its connection, and its
monitor circuit.
monitor circuit.
a.
Waiting Sensor
→ See the 5
th
item of “U11”.
b.
Starting Sensor
→ See the 3
rd
item of “U12”.
c.
Skew (L) or Skew (R) Sensor
→ See the 6
th
and 7
th
items of “U20”.
d.
Ending Sensor
→ See the 3
rd
item of “U14”.
U20: Skew error
19
00
00
00
1. Document on the Hopper Tray is
not set correctly.
not set correctly.
Set the document on the Hopper Tray, sliding
the Document Guide according to the
document width. And execute scanning,
again.
the Document Guide according to the
document width. And execute scanning,
again.
2. ADF Door is not closed firmly.
Close the door surely.
3. A roller (Paper Feed, Separation,
Retard, Drive, Exit, or Free) is dirty.
Retard, Drive, Exit, or Free) is dirty.
1.
Clean the rollers. (See Sec.7.2.)
2.
Clear counter for cleaning roller to zero
with the service utility’s operation in
Sec.9.
with the service utility’s operation in
Sec.9.
4. A roller (Paper Feed, Separation,
Retard, Drive, or Exit) swells
irregularly
Retard, Drive, or Exit) swells
irregularly
Replace the roller.
Note:
After replacing Paper Feed, Separation,
and Retard rollers, clear counter for
replacing roller to zero with the service
utility.
and Retard rollers, clear counter for
replacing roller to zero with the service
utility.
118
KV-S7065CSERIES
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
U20: Skew error
19
00
00
00
5. Paper dust exist on or around a
Skew Sensor.
Skew Sensor.
Blow off the dirt on the surface of the sensor
with the accessory blower. (See Sec.7.2.)
with the accessory blower. (See Sec.7.2.)
6. The Skew (L) 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.
SKEWL signal (CN5012-4
th
pin,
CN5017-4
th
pin, CN5022-9
th
pin,
CN1009-14
th
pin)
→ 1.5 V or less (when none exists on
the Skew (L) Sensor)
the Skew (L) Sensor)
b.
Check the reference signals for the
SKEWL signal on the CONTROL
Board.
SKEWL 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.
7. 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 Skew (R) Sensor)
the Skew (R) 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.
119
KV-S7065CSERIES
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
U23
(Double feed
error)
(Double feed
error)
1C
00
xx
00
1. Double
feed occurs.
feed occurs.
Document quality is
out of spec. for this
scanner.
out of spec. for this
scanner.
1.
Set the correct documents on the Hopper
Tray according to this scanner
specifications.
Tray according to this scanner
specifications.
Note: Refer to Sec.2.
“Manual Feed
Selector” is in
“MANUAL”.
Selector” is in
“MANUAL”.
Set “Manual Feed Selector” to “AUTO” and
execute scanning, again.
execute scanning, again.
Rollers (Paper Feed,
Separation, Retard)
are not assembled
properly.
Separation, Retard)
are not assembled
properly.
1.
Reassemble the rollers.
Rollers (Paper Feed,
Separation, Retard)
are dirty.
Separation, Retard)
are dirty.
1.
Clean the rollers.
2.
Clear counter for cleaning roller to zero
with the above service utility.
with the above service utility.
Rollers have reached
their life expectancy.
their life expectancy.
1.
Replace the Paper Feed, Separation, and
Retard Rollers after checking each roller
configuration and Scanner Counter of
Service Utility software.
Retard Rollers after checking each roller
configuration and Scanner Counter of
Service Utility software.
2.
Clear counter for replacing roller to zero
with the above service utility.
with the above service utility.
2. Double
feed does
not occur.
feed does
not occur.
Double Feed Detector
(G) does not work
properly.
(G) does not work
properly.
1.
Execute Double Feed test in Sec.9.3.6 to
check the detector condition.
check the detector condition.
2.
Check whether the Double Feed Detector
(G) is aligned properly.
(G) is aligned properly.
3.
Check the following connection and
soldering condition on each connector.
soldering condition on each connector.
a.
Double Feed Detector (G) to CN5021
(SENSOR RELAY Board)
(SENSOR RELAY Board)
b.
CN5022 (SENSOR RELAY Board) to
CN1009 (CONTROL Board)
CN1009 (CONTROL Board)
4.
Check the following parts’ soldering
condition to repair it.
condition to repair it.
a.
CONTROL Board
IC1024 (43, 44, 45
th
pins), IC1018
b.
SENSOR RELAY Board
IC5017, Q5016, Q5017, Q5020,
Q5022, Q5023, Q5024, and the
surrounding circuit
Q5022, Q5023, Q5024, and the
surrounding circuit
5.
Check the following signals.
a.
DC 24 V signal (CN5022-6
th
pin)
b.
JS_CLK (CN5022-3
rd
pin)
→ 200 kHz
c.
USOUND_S1 (CN5021-1
st
pin)
→ 200 kHz
6.
Replace faulty parts or boards.
120
KV-S7065CSERIES
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