2-66 Service Manual
5041-030
Power supply (Dead machine) service check
Note: Before proceeding, make sure that this is not an issue with the display. Turn the machine on. If the
machine’s fans and motors start up, it could be an issue with the display.
Step Action and questions Yes No
1 Is the power cord connected to the printer and the wall
outlet?
Go to step 3. Go to step 2
2
Connect the power cord to the printer and wall outlet.
POR the printer. Did it start?
Problem solved Go to step 3.
3
Try a different power cord. Did this fix the problem? Problem solved Go to step 4.
4
Verify that the voltage to the machine is within
spec.110v, ac +/- 10%, 220v, ac +/- 10%. Is the voltage
within spec?
Go to step 5. Try a different
power outlet.
5
Verify that the cables connecting the power inlet, the
switch and power supply are properly connected.
Go to step 6 Properly connect
the cables.
6
Replace the switch. Did this fix the problem? Problem solved. Go to step 7.
7
Are the fuses blown? Go to step 9. Go to step 8.
8
Check CN03 for the following voltages and grounds:
Pins 1, 3,and 7 should be +5V dc
Pins 5 and 9 should be + 24V dc
Pins 2, 4, 6, 8, and 10 are GND
Are the voltages correct?
Go to step 10. Go to step 8.
9
Replace the power supply. Did this fix the problem? Problem solved. Go to step 10.
10
Replace the printhead controller board. Did this fix the
problem?
Problem solved. Replace the RIP
board.