Panasonic KV-S2045C Service Manual - Page 69

Troubleshooting - software

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10 TROUBLESHOOTING KV-S2025C Series / KV-SU225C Series / KV-S2045C Series / KV-SU245C Series 10.1. Troubleshooting -1 (with no error message on PC) Symptom Possible Cause Check Point No power. Power cord is not inserted correctly. Insert the power cord correctly. Cables in the scanner are not connected properly. (especially around POWER Board) Insert the cables properly. CONTROL Board is broken. Replace CONTROL Board. POWER Board is broken. Replace POWER Board. Scanned image data has Dust on the glass surface of CIS some problems. Sensor Roller is dirty. (Black line, white line, darker image than the original) Clean the glass surface. Clean the Sensor Roller. Scanning position is shifted. (Specification: within ±2mm) 1 When reassembling CIS or mechanical parts related Execute All Position and/or to conveying documents, re-adjustment is not done. Individual Position to adjust the 2 When replacing CONTROL Board, CIS or mechanical scanning position. (See 9.3.7.) parts related to conveying documents, re-adjustment is not done. The document skews when scanning. 1 Document Guides are not set correctly, according to Set the Document Guides correctly. the size of documents on the Feed Tray. 2 Rollers are dirty. Clean the rollers. 3 Rollers are not attached to the default position properly when assembling. Assemble the rollers properly again. 4 Rollers have reached their life expectancy. Replace the rollers after inspecting them. Remarks Pay attention when reassembling the scanner. 10.2. Troubleshooting -2 (according to Error Code or Scanner Status in Service Utility) 10.2.1. Error Code Error Code Possible Cause Classified Code ST1 ST2 ST3 ST4 U10 (No paper error) 10 00 00 00 No document on the Feed Tray. Paper Detector is not working properly. Check Point Set documents on the Feed Tray. 1. Remove a dust from the Paper Detector. 2. Execute Key / Sensor test to check the Paper Detector condition. (See 9.3.6.) 3. Check the connection between the Paper Detector and CN1011 on the CONTROL Board. U11 (Paper feed jam) 4. Replace faulty cables or the Paper Detector. 11 00 00 00 Paper Feed Roller Module or Reassemble the rollers. Retard Roller are not assembled correctly. Rollers (Paper Feed, Separation, Clean the rollers. Retard) are dirty. Rollers have reached their life expectancy. Replace the Paper Feed, Separation, and Retard Rollers after checking each roller configuration and Scanner Counter of Service Utility software. Dust on Waiting Sensor Execute Key / Sensor and Sensor Sensitive Level tests on Sec. 9.3.6. to check the sensor condition, and to remove the dust. Paper Feed Motor does not work 1. Check the motor mechanism condition, by properly. carrying out Feed Motor test. (See 9.3.6.) 2. Check the connection between CONTROL Board and the Paper Feed Motor. 3. Check signals (1st and 3rd pins) on CN1016: Approx. 1k to 2kHz 4. Replace faulty cables. Paper Feed Motor control circuit does not work properly. 5. Replace the Paper Feed Motor. 1. Check the soldering condition of IC1051 and IC1035 on CONTROL Board. 2. Replace the CONTROL Board. Remarks 69

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10 TROUBLESHOOTING
10.1.
Troubleshooting -1 (with no error message on PC)
Symptom
Possible Cause
Check Point
Remarks
No power.
Power cord is not inserted correctly.
Insert the power cord correctly.
Cables in the scanner are not connected properly.
(especially around POWER Board)
Insert the cables properly.
Pay attention
when
reassembling the
scanner.
CONTROL Board is broken.
Replace CONTROL Board.
POWER Board is broken.
Replace POWER Board.
Scanned image data has
some problems.
(Black line, white line,
darker image than the
original)
Dust on the glass surface of CIS
Clean the glass surface.
Sensor Roller is dirty.
Clean the Sensor Roller.
Scanning position is
shifted.
(Specification: within
±2mm)
1
When reassembling CIS or mechanical parts related
to conveying documents, re-adjustment is not done.
Execute
All Position
and/or
Individual Position
to adjust the
scanning position. (
See 9.3.7.
)
2
When replacing CONTROL Board, CIS or mechanical
parts related to conveying documents, re-adjustment
is not done.
The document skews
when scanning.
1
Document Guides are not set correctly, according to
the size of documents on the Feed Tray.
Set the Document Guides correctly.
2
Rollers are dirty.
Clean the rollers.
3
Rollers are not attached to the default position
properly when assembling.
Assemble the rollers properly again.
4
Rollers have reached their life expectancy.
Replace the rollers after inspecting
them.
10.2.
Troubleshooting -2 (according to Error Code or Scanner Status in
Service Utility)
10.2.1.
Error Code
Error Code
Possible Cause
Check Point
Remarks
Classified Code
ST1
ST2
ST3
ST4
U10
(No paper error)
10
00
00
00
No document on the Feed Tray.
Set documents on the Feed Tray.
Paper Detector is not working
properly.
1. Remove a dust from the Paper Detector.
2. Execute Key / Sensor test to check the
Paper Detector condition. (
See 9.3.6.
)
3. Check the connection between the Paper
Detector and CN1011 on the CONTROL
Board.
4. Replace faulty cables or the Paper
Detector.
U11
(Paper feed jam)
11
00
00
00
Paper Feed Roller Module or
Retard Roller are not assembled
correctly.
Reassemble the rollers.
Rollers (Paper Feed, Separation,
Retard) are dirty.
Clean the rollers.
Rollers have reached their life
expectancy.
Replace the Paper Feed, Separation, and
Retard Rollers after checking each roller
configuration and Scanner Counter of Service
Utility software.
Dust on Waiting Sensor
Execute
Key / Sensor
and
Sensor Sensitive
Level
tests on Sec. 9.3.6. to check the sensor
condition, and to remove the dust.
Paper Feed Motor does not work
properly.
1. Check the motor mechanism condition, by
carrying out
Feed Motor
test. (
See 9.3.6.
)
2. Check the connection between CONTROL
Board and the Paper Feed Motor.
3. Check signals (1
st
and 3
rd
pins) on
CN1016: Approx. 1k to 2kHz
4. Replace faulty cables.
5. Replace the Paper Feed Motor.
Paper Feed Motor control circuit
does not work properly.
1. Check the soldering condition of IC1051
and IC1035 on CONTROL Board.
2. Replace the CONTROL Board.
69
KV-S2025C Series / KV-SU225C Series / KV-S2045C Series / KV-SU245C Series