Power Supply Trouble; Power Is Not Turned On - Konica Minolta bizhub 160f Service Manual

Field Service Ver. 1.0 Apr. 2005

21. Power supply trouble

21.1 Power is not turned ON.

Controller/Mechanical Control Board (PWB-P)
Step Check
1 Is the power cord plugged into
the power outlet?
2 Is the power cord connected
properly to the printer?
3 Is the Power Switch turned ON?
4 Are the fuses (F101 and F102)
on the Power Unit conducting?
Confidential – for internal use only, do not distribute
Relevant Electric Parts
Power Unit (PU1)
Wiring Diagram
Result
(Location)
– NO
– NO
– NO
– NO
– YES
21. Power supply trouble
Action
Plug the power cord into the
power outlet.
Plug the power cord into the
printer.
Turn ON the Power Switch.
Replace Power Unit (PU1).
Replace Controller/Mechanical
Control Board (PWB-P).
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