Power Supply-Related Malfunctions; Printer Is Not Energized At All - Minolta magicolor 7300 Service Manual

FrameMaker Ver.6E (PC) magicolor 7300 TROUBLESHOOTING
02.08.08
4.

POWER SUPPLY-RELATED MALFUNCTIONS

4-1.

Printer is not energized at all

Control Board (PWB-A)
Step Check Item
Is power voltage supplied across
1
PJ3PU1-1 and 3 on PU1?
Are the fuses (F1 and F2) on PU1
2
conducting?
Has DC5 V and DC24 V been input
4 into the CNPOW-A on the Control
Board?
Relevant Electrical Parts
DC Power Supply 1 (PU1)
WIRING
DIAGRAM
(Location)
16-A
—
16-H
T-39
Result Action
Check wiring
NO between the wall
outlet and PJ3PU1.
NO Change PU1.
NO Change PU1.
YES Change PWB-A.