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106
4. Mechanical problem
(Drive Rollers, Drive Belt,
Conveyor)
Conveyor)
1. Execute “Conveyor motor” test in
Sec.10.3.7. to check the mechanical
condition.
condition.
2. Check whether the Drive Rollers (5, 6), Drive
Belt, and the conveyor to support the Drive
Rollers are put together into the scanner,
properly.
Rollers are put together into the scanner,
properly.
3. Check the surfaces of the Drive Rollers
(5, 6).
a. If it is deformed
a. If it is deformed
Replace the roller.
b. If the surface is dirty
Clean the surface.
4. Check whether the Drive Belt tension is
proper
Re-adjust the belt tension.
Re-adjust the belt tension.
U16 (Exit Jam1: Paper
did not pass through
the Exit Sensor)
did not pass through
the Exit Sensor)
16
00
00
00 1. Document remains on
Exit Sensor.
Remove the document from the scanner.
2. Paper dust exists on or around
the Exit Sensor.
1. Clean up the dirt with cleaning paper or
cotton swab or soft and dry cloth.
(See Sec. 9.)
(See Sec. 9.)
2. Execute “Key/Sensor” test in Sec.10.3.7.
and “Sensor sensitive level” in Sec.
10.3.8. to check the Exit Sensor condition.
10.3.8. to check the Exit Sensor condition.
3. Mechanical problem (Exit Roller,
Drive Belt, Conveyor)
Drive Belt, Conveyor)
1. Execute Conveyor motor test in Sec.
10.3.7. to check the mechanical condition.
2. Check whether the Drive Roller 6, Exit
Roller, Drive Belt, and the conveyor to
support the rollers are put together into the
scanner, properly.
3. Check the surfaces of the Drive Roller 6 and
Roller, Drive Belt, and the conveyor to
support the rollers are put together into the
scanner, properly.
3. Check the surfaces of the Drive Roller 6 and
the Exit Roller.
a. If it is deformed
Replace the roller.
b. If the surface is dirty
Clean the surface.
4. Check whether the Drive Belt tension is
proper.
proper.
Re-adjust the belt tension.
U18 (Paper remains in
the scanner)
the scanner)
18
xx
xx
00 1. Document remains in scanner.
Remove the document from the scanner.
2. Paper dust exists on a sensor.
1. Execute “Key/Sensor” test in Sec. 10.3.7.
and “Sensor sensitive level” tests in the
Sec. 10.3.8. to define the sensor that results
in this problem.
Sec. 10.3.8. to define the sensor that results
in this problem.
2. Clean up the dirt with cleaning paper or
cotton swab or soft and dry cloth.
(See Sec. 9.)
(See Sec. 9.)
18
01
00
00 3. Skew sensor right 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. CN3900 (SKEW DETECT SENSOR(R)
Board) to CN3303 (LOWER RELAY
Board).
b. CN3304 (LOWER RELAY Board) to CN18
(CONTROL Board).
a. CN3900 (SKEW DETECT SENSOR(R)
Board) to CN3303 (LOWER RELAY
Board).
b. CN3304 (LOWER RELAY Board) to CN18
(CONTROL Board).
2. Check the soldering condition of D3900,
Q3902,D3901,Q3903, and their surrounding
circuit on the SKEW DETECT SENSOR(R)
Board.
circuit on the SKEW DETECT SENSOR(R)
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.
Error Code
ST1 ST2 ST3 ST4
Possible Cause
Recommended action
Remarks
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