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10. Slip Detect Sensor (1) or Slip
Detect Sensor (2) does not work
correctly.
Detect Sensor (2) does not work
correctly.
1. Execute "Slip Detect Sensor" in the Sec.
9.3.6 to check the sensor roller's rotation
counter.
2. Check the following connections and
soldering condition on each connector.
a. CN2017 (SLIP DETECTOR SENSOR (1)
Board) to CN2015 (ENCODER RELAY
Board)
b. CN2018 (SLIP DETECTOR SENSOR (2)
Board) to CN2016 (ENCODER RELAY
Board).
c. CN2014 (SLIP DETECTOR SENSOR
RELAY Board) to CN2013 (RELAY(UPPER)
BOARD)
d. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
3. Check the following parts' soldering
condition to repair it.
9.3.6 to check the sensor roller's rotation
counter.
2. Check the following connections and
soldering condition on each connector.
a. CN2017 (SLIP DETECTOR SENSOR (1)
Board) to CN2015 (ENCODER RELAY
Board)
b. CN2018 (SLIP DETECTOR SENSOR (2)
Board) to CN2016 (ENCODER RELAY
Board).
c. CN2014 (SLIP DETECTOR SENSOR
RELAY Board) to CN2013 (RELAY(UPPER)
BOARD)
d. CN2008 (RELAY(UPPER) Board) to
CN1015 (CONTROL Board)
3. Check the following parts' soldering
condition to repair it.
→
IC2001, Q3030, Q3031, Q3032, Q3033,
and their surrounding circuits.
4. Check the following signals.
4. Check the following signals.
→
CN2013 1st pin: 5V
5. Replace faulty parts or cables.
11. One of the pressure levels
applied to documents from the
Hopper is not correct.
applied to documents from the
Hopper is not correct.
1. Execute "Roller Pressure Sensor Level" in
Sec. 9.3.6 to check the pressure to the Paper
Feed Roller.
2. Re-assemble the spring.
(Location: See 8.3.26.)
3. Confirm the wire cable from the Roller
Pressure Sensor goes slack.
(See Reassembling Note in 8.3.24.)
4. Check that the wire cable from SLIP
DETECTOR SENSOR (2) Board and any
other cables do not crossed each other.
(See Reassembling Note in 8.3.26.)
5. Check whether the beam is almost removed.
(Beam position: See 6.3.)
Sec. 9.3.6 to check the pressure to the Paper
Feed Roller.
2. Re-assemble the spring.
(Location: See 8.3.26.)
3. Confirm the wire cable from the Roller
Pressure Sensor goes slack.
(See Reassembling Note in 8.3.24.)
4. Check that the wire cable from SLIP
DETECTOR SENSOR (2) Board and any
other cables do not crossed each other.
(See Reassembling Note in 8.3.26.)
5. Check whether the beam is almost removed.
(Beam position: See 6.3.)
→
Mount the beam to the Roller Holder Unit
correctly
6. Check the following connections and
soldering condition on each connector.
a. CN1016 (CONTROL Board) to Relay
connector (Roller Holder Unit)
b. Relay connector to Roller Pressure
Sensor
7. Check the following parts' soldering
condition to repair it.
6. Check the following connections and
soldering condition on each connector.
a. CN1016 (CONTROL Board) to Relay
connector (Roller Holder Unit)
b. Relay connector to Roller Pressure
Sensor
7. Check the following parts' soldering
condition to repair it.
→
CN1016, IC1022, IC1023, IC1024, and
their surrounding circuits
8. Check the following signals.
8. Check the following signals.
→
CN1016-1st pin: 500 Hz (See Fig.1.)
→
CN1016-2nd pin: 5 V
→
CN1016-3rd pin: 5V or less pulse
(See Fig.2.)
9. Replace faulty parts or boards.
9. Replace faulty parts or boards.
U12 (Conveyor Jam1:
Paper did not reach the
Starting Sensor.)
Paper did not reach the
Starting Sensor.)
12
00
00
00 1. Document remains between
Waiting Sensor and Starting
Sensor.
Sensor.
Remove the document from the scanner.
2. Paper dust exists on or around
the Starting Sensor.
the Starting Sensor.
1. Blow off the dust with the accessory blower.
(See Sec.7.)
2. Execute “Key/Sensor” and “Sensor
Sensitive Level” tests in Sec.9.3.6 to check
the sensor condition.
(See Sec.7.)
2. Execute “Key/Sensor” and “Sensor
Sensitive Level” tests in Sec.9.3.6 to check
the sensor condition.
Error Code
Possible Cause
Check Point
Remarks
Classification
Code
ST1 ST2 ST3 ST4
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