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6. Paper Feed Motor does not
work properly.
work properly.
1. Check the motor mechanism condition by
carrying out “Feed Motor” test in Sec. 9.3.6.
2. Check the following connection and
soldering condition on each connector.
carrying out “Feed Motor” test in Sec. 9.3.6.
2. Check the following connection and
soldering condition on each connector.
→
Paper Feed Motor to CN4010
(DRIVE Board)
3. Check the following signals on the DRIVE
Board.
3. Check the following signals on the DRIVE
Board.
→
CN4010-7, 8, 9, and 10th pins:
See Fig. 3.
4. Replace faulty cables.
5. Replace Paper Feed Motor.
4. Replace faulty cables.
5. Replace Paper Feed Motor.
7. Paper Feed Motor control circuit
does not work properly.
does not work properly.
1. Check the following connections and
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4009 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4009-28th pin (CLK)
See Fig. 4.
b. IC4009-22nd pin (VREF): 2.5 V or less.
c. IC4009-34th pin (ENABLE):
0 V (when executing Feed Motor test)
4. Check the soldering condition of IC1024 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4009 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4009-28th pin (CLK)
See Fig. 4.
b. IC4009-22nd pin (VREF): 2.5 V or less.
c. IC4009-34th pin (ENABLE):
0 V (when executing Feed Motor test)
4. Check the soldering condition of IC1024 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
8. Separation Motor does not work
properly.
properly.
1. Check the motor mechanism condition by
carrying out “Feed Motor” test. (See 9.3.6.)
2. Check the following connection and
soldering condition on each connector.
carrying out “Feed Motor” test. (See 9.3.6.)
2. Check the following connection and
soldering condition on each connector.
→
Separation Motor to CN4010
(DRIVE Board)
3. Check the following signals on the DRIVE
Board.
3. Check the following signals on the DRIVE
Board.
→
CN4010-1, 3, 4, and 6th pins: See Fig. 5.
4. Replace faulty cables.
5. Replace Separation Motor.
5. Replace Separation Motor.
9. Separation Motor control circuit
does not work properly.
does not work properly.
1. Check the following connections and
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4008 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4008-9th pin (CLK): See Fig. 6.
b. IC4008-12th pin (VREF): 2.3 V or less.
4. Check the soldering condition of IC1028 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
soldering condition on each connector.
a. CN1002 (CONTROL Board) to CN4004
(DRIVE Board)
b. CN1003 (CONTROL Board) to CN4005
(DRIVE Board)
c. CN1001 (CONTROL Board) to CN4003
(DRIVE Board)
2. Check the soldering condition of IC4008 and
its surrounding parts.
3. Check the following signals on the DRIVE
Board.
a. IC4008-9th pin (CLK): See Fig. 6.
b. IC4008-12th pin (VREF): 2.3 V or less.
4. Check the soldering condition of IC1028 on
the CONTROL Board to repair it.
5. Replace faulty parts or boards.
Error Code
Possible Cause
Check Point
Remarks
Classification
Code
ST1 ST2 ST3 ST4
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