125
18 08 00 00 5. Exit Sensor does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection sheet.
Refer to the 3rd item on Classified Code U16.
18 10 00 00 6. Slip Detect Sensor does not
work correctly.
Clean up the dirt on the surface of the sensor
and reflection sheet.
Refer to the 3rd item on Classified Code U12.
18 20 00 00 7. Starting Sensor does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection sheet.
Refer to the 3rd item on Classified Code U13.
18 40 00 00 8. Waiting Sensor does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection sheet.
Refer to the 3rd item on Classified Code U11.
U23 (Double-feed
error)
1C 00 xx 00 1. Document quality is out of spec.
on this scanner.
1. Set the correct documents on the Hopper
according to this scanner specification.
Note: Refer to Sec.2.
2. Rollers (Paper Feed,
Separation, DFP) are not
assembled, properly.
1. Reassemble the rollers.
3. Rollers (Paper Feed,
Separation, DFP) are dirty.
1. Clean the rollers.
2. Clear counter for cleaning roller to zero with
the above service utility.
4. Rollers have reached their life
expectancy.
1. Replace the Paper Feed, Separation,
and DFP 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.
5. Double Feed Detector (G) does
not work, properly.
1. Execute Double Feed test in Sec. 9.3.6 to
adjust "Send Level” for Double Feed
Detectors.
2. Execute Double Feed test in Sec. 9.3.6 to
check the detector condition.
3. Check whether the Double Feed Detector is
aligned property.
4. Check the following connection and
soldering condition on each connector.
a. CN2011 (USS / WAITING SENSOR
Board) to CN2034 (BENT RELAY Board)
b. CN2030 (BENT RELAY Board) to CN2007
(USS RELAY Board)
c. CN2006 (USS RELAY Board) to CN1008
(CONTROL Board)
5. Check the following parts' soldering condition
to repair it.
a. CONTROL Board
IC0006-43rd pin
IC0015-21,23,24, and 27th pins)
b. USS RELAY Board
IC2008-3, 15, 18, 22, and 27th pins
Q2001 to Q2008 surrounding circuit.
6. Check the following signals
a. DC 24V signal (CN2006-10th pin)
b. JS_CLK (CN2006 6th pin) 300 kHz
c. USS / WAITING SENSOR USS+
(CN2011-7th pin) and
USS-(CN2011-8th pin)
See Fig. 7.
7. Replace faulty parts or boards.
Error Code Possible Cause Check Point Remarks
Classified Code ST1 ST2 ST3 ST4
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