2-96 Service Manual
7541-03x
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
in within spec?
Go to step 5. Try a different
power outlet.
5
Verify that the cables connecting the power inlet, the
switch and secondary power supply are properly
connected.
Go to step 6. Properly connect
the cables.
6
Verify that the cables connecting CN02 on the
secondary power supply unit to CN03 on the LVPS are
connected properly.
Go to step 7. Properly connect
the cables.
7
Replace the switch. Did this fix the problem. Problem solved Go to step 8.
8
Are the fuses blown on either supply? Go to step 9. Go to step 10.
9
Replace the power supply with the blown fuse. Did this
fix the problem?
Problem solved Go to step 10
10
Check CN03 on the scanner power supply for the
following voltages and grounds:
Pins 1,and 2 should be +5V dc
Pins 2 and 4 should be + 24V dc
Pins 5,6,7, and 8 are GND
Are the voltages correct?
Go to step 11. Replace the
scanner power
supply. See
“Scanner power
supply removal”
on page 4-58.
11
Replace the RIP board. See “RIP board removal” on
page 4-73. Did this fix the problem
Problem solved. Go to step 12
12
Check CN03 on the low voltage power supply for the
following voltages and grounds:
Pins 4,and 8 should be +5V dc
Pins 2 and 6 should be + 24V dc
Pins 1,3,4, and 7 are GND
Are the voltages correct?
Go to step 13 Replace the
LVPS. See
“Low
volt power
supply removal”
on page 4-51.
13
Replace the printhead controller board. See
“Printhead controller board removal” on page 4-37.
Did this fix the problem?
Problem solved. Contact you next
level support.
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