SC-F2000 Revision C
TROUBLE SHOOTING Other Troubles 48
Confidential
2.5 Other Troubles
Table 2-3. Other Troubles
Symptom Cause Check Item Remedy
The printer is not powered.
The power cable is unplugged Is the power plug connected properly? Connect it properly.
The power voltage is unstable.
Is the electrical outlet overloaded sharing with any other
electric equipment?
Use a dedicated electrical outlet on the wall for the
printer if possible.
Connection failure of the POWER
SUPPLY BOARD
Is there any problem in the connection between the
POWER SUPPLY BOARD and the MAIN BOARD?
Correct the problem.
Connection failure of the Control Panel
Board
Is there any problem in the connection between the Control
Panel Board and the MAIN BOARD?
Correct the problem.
If any of the remedies above does not help, replace the following parts one by one.
AC inlet
POWER SUPPLY BOARD (Page 99)
Cannot access to a network.
A wrong type network cable is used. Is a crossing cable used for the network cable? Replace the cable with a straight cable.
Network cable failure
Are there any abnormalities observed on the cable?
Are the connectors firmly inserted?
Is the cable broken?
Is the cable bent or is there anything placed on the
cable?
Correct the problem.
LAN connector failure Is the connector deformed or damaged? Replace the MAIN-B BOARD. (Page 97)
The MAC address is invalid.
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Rewrite the address with a correct one. (Page 274)
Connection failure of the MAIN-B
BOARD
Is there any problem in the connection between the MAIN-
B BOARD and the MAIN BOARD?
Correct the problem.
If any of the remedies above does not help, replace the MAIN-B BOARD. (Page 97)
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