2NL/2P8
1-4-78
1-4-4 Electric problems
If the part causing the problem was not supplied, use the unit including the part for replacement.
Troubleshooting to each failure must be in the order of the numbered symptoms.
Problem
Causes
Check procedures/corrective measures
(1)
The machine does
not operate when
the main power
switch is turned on.
1. No electricity at the
power outlet.
Measure the input voltage.
2. The power cord is
not plugged in prop-
erly.
Check the contact between the power plug and the outlet.
3. Broken power cord.
Check for continuity. If none, replace the cord.
4. Defective main
power switch.
Check for continuity across the contacts. If none, replace
the power switch.
5. Defective interlock
switch.
Check for continuity across the contacts of interlock switch.
If none, replace the power source PWB (see page 1-5-49).
6. Defective power
source PWB.
Replace the power source PWB (see page 1-5-49).
(2)
Eject motor does
not operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Eject motor and engine PWB (YC3)
2. Defective drive trans-
mission system.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
3. Defective motor.
Replace the eject motor.
4. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-44).
(3)
Power source fan
motor does not
operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Power source fan motor and main PWB (YC23)
2. Defective motor.
Replace the power source fan motor.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-44).
(4)
Eject fan motor
does not operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Eject fan motor and engine PWB (YC2)
2. Defective motor.
Replace the eject fan motor.
3. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-44).
Summary of Contents for TASKalfa 3010i
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Page 532: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 568: ...DP 773 Document processor Installation Guide ...
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Page 602: ...PF 810 3000 sheet deck Installation Guide ...
Page 615: ...DF 791 3000 sheet finisher Installation Guide ...
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Page 686: ...DT 730 B Document tray Installation Guide ...
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Page 732: ...FAX System W B Installation Guide ...