Oki PACEMARK 4410 Service Manual page 129

1
Printer is not powered on at all.
• The AC cable connected properly?
Yes No
• Connect the cable properly.
• AC Input Fuse blown?
No Yes
• Replace it with a new AC Input Fuse of the same type and rating.
• Remedied?
No
•
• Replace the power supply unit or connection cable.(See section X.X.X)
• Are the +5V outputs in the control board provided?
Are the (5V outputs in Control Board provided? Slide Control Block toward outside without
unplugging the cables. (Stop sliding when the cables becomes straight. Do not extend the
cables by force.) Check the voltage between Control Block C75 ( side and GND1 or GND2.
Yes No
• The cables to Control Block CN5 and to Power Supply Unit DCOUT2 connected
properly?
Yes
• The cable to Power Supply Unit CN1 connected properly?
• The cable to PMA-Board CN6 connected properly?
Yes No
•
• The cables to PHA-Board CN1 and CN12 connected properly?
Yes
1-1
Yes
End
No
• Connect the cables properly.
Yes No
• Connect the cable properly.
• Replace Power Supply Unit.
Connect the cable properly.
No
• Connect the cables properly.
128