Read Panasonic KV-S7065C (serv.man4) Service Manual online
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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