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107
18
02
00
00 4. Skew sensor left does not work
correctly
Clean up the dirt on the surface of the sensor
and reflection lens. (See Sec. 9.)
1. Check the following connection and
and reflection lens. (See Sec. 9.)
1. Check the following connection and
soldering condition on each connector.
a. CN3800 (SKEW DETECT SENSOR(L)
Board) to CN3302 (LOWER RELAY
Board).
b. CN3304 (LOWER RELAY Board) to CN18
(CONTROL Board).
a. CN3800 (SKEW DETECT SENSOR(L)
Board) to CN3302 (LOWER RELAY
Board).
b. CN3304 (LOWER RELAY Board) to CN18
(CONTROL Board).
2. Check the soldering condition of D3800,
Q3802,D3801,Q3803, and their surrounding
circuit on the SKEW DETECT SENSOR(L)
Board.
circuit on the SKEW DETECT SENSOR(L)
Board.
3. Check the soldering condition of IC32,IC35,
IC36,IC37,IC38, and their surrounding circuit
on the CONTROL Board.
on the CONTROL Board.
4. Check the soldering condition of IC1 and
their surrounding circuit.
5. Replace faulty parts or related Board.
18
08
00
00 5. Exit Sensor does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection lens.
Refer to the 3rd item on Error Code U16.
and reflection lens.
Refer to the 3rd item on Error 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 lens.
Refer to the 3rd item on Error Code U12.
and reflection lens.
Refer to the 3rd item on Error Code U12.
18
18
04
00 7. Jam Sensor does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection lens.
Refer to the 3rd item on Error Code U14.
and reflection lens.
Refer to the 3rd item on Error Code U14.
18
20
00
00 8. Starting Sensor does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection lens.
Refer to the 3rd item on Error Code U13.
and reflection lens.
Refer to the 3rd item on Error Code U13.
18
40
00
00 9. Waiting Sensor does not work
correctly.
Clean up the dirt on the surface of the sensor
and reflection lens.
Refer to the 3rd item on Error Code U11.
and reflection lens.
Refer to the 3rd item on Error Code U11.
U19
(Jam sound detection)
(Jam sound detection)
1A
00
00
00 Jam sound is detected by
microphones.
Remove the document from the scanner.
The microphones do not work
correctly.
correctly.
See Sec. 7.10. Jam sound detect function.
U23
(Double-feed error)
(Double-feed error)
1C
00
xx
00 1. Document quality is out of spec.
on this scanner.
1. Set the correct documents on the Feed Tray
according to this scanner specification.
2. Rollers (Paper Feed,
Separation, DFP) are not
assembled, properly.
Separation, DFP) are not
assembled, properly.
1. Reassemble the rollers.
3. Rollers (Paper Feed,
Separation, DFP) are dirty.
Separation, DFP) are dirty.
1. Clean the rollers.
2. Clear counter for cleaning roller to zero with
the above service utility.
2. Clear counter for cleaning roller to zero with
the above service utility.
4. Rollers have reached their life
expectancy.
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.
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.
Error Code
ST1 ST2 ST3 ST4
Possible Cause
Recommended action
Remarks
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