Panasonic KV-S2025C, Service Manual

Page: 72 / 135

Error Code Possible Cause Check Point Remarks
Classified Code ST1 ST2 ST3 ST4
U16
(Jam1: around exit
roller 16 00 00 00 Document remains in front of
Ending Sensor.
Remove the document from the scanner.
Dust on Ending Sensor Execute Key / Sensor and Sensor Sensitive
Level tests on Sec. 9.3.6. to check the sensor
condition, and to remove the dust.
Mechanical problem (Exit Roller,
Drive Belt, Conveyor) 1. Execute Feed and Conveyor Motor tests
on Sec. 9.3.6. to check the mechanical
condition.
2. Check whether the Exit Roller, the Drive
belt, and the conveyor to support the Exit
Rollers are put together into the scanner,
properly.
3. Check the surface of the Exit Roller.
a. Configuration:
Is the roller shape irregular?
Replace the roller.
b. Check whether the roller surface is
dirty
Clean the surface.
4. Check whether the Drive Belt tension is
proper.
Re-adjust the belt tension.
U18
(Document remains in
scanner) 18 00 00 00 Document remains in scanner. Remove the document from the scanner.
Dust on a sensor. 1. Execute Key / Sensor and Sensor
Sensitive Level tests on Sec. 9.3.6. to
define the sensor which occurs this
problem.
2. Remove the dust on the sensor.
U23
(Double feed error) 1C 00 00 00 Document length is longer than
the paper length set on the PC.
1. Set the parameter of the paper length on
the PC, correctly.
Thickness of the document is out
of specification. Set the correct documents on the Feed Tray
according to this scanner specification.
Note
Refer to Sec. 2.
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’ used period has come to
the life. Replace the Paper Feed, Separation, and
Retard Rollers after checking each roller
configuration and Scanner Counter of Service
Utility software.
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KV-S2025C Series / KV-SU225C Series / KV-S2045C Series / KV-SU245C Series