1-3 No power
Step
1.
Is the power switch on?
2.
Is the power cord properly connected to
the printer?
3.
Is the power cord properly connected to
the outlet?
4.
Is the voltage at the electrical outlet the
correct voltage?
4.
Is the connector for the power supply
circuit board properly inserted?
5.
Is the fuse burned out in PU1 (power
supply circuit board)?
Other
Item to check
Result
No
Turn power switch on.
No
Properly connect the power cord to the printer.
No
Properly connect the power cord to the outlet.
No
Inform the customer.
No
Properly insert the connector.
Yes
Replace the fuse.
Refer to page B-17.
Replace PU1 (power supply circuit board).
E-4
Corrective action