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6: Troubleshooting
Colorwriter LSR 2000 Printer
Service Guide
6-53
Note:
Wait at least 30 seconds after the circuit breaker operates
before turning it ON.
Before the connecting the power cord to the receptacle, turn the
power switch ON and definitely use the tester to check for an AC
line circuit short as well as confirm the return condition of the
circuit breaker (continuity/connection resistance).
Table 6-46
No AC power
Cause
Step
Check
Decision
Action
Power supply voltage
1
Is rated voltage supplied at the
outlet?
NO
Inform the user that
rated voltage is not
supplied at the outlet.
Power cord unplugged
2
Is the power cord firmly
plugged into the printer, the
paper feeder and the outlet?
NO
Replug it.
Circuit breaker
3
Is the circuit breaker OFF?
YES
According to the note
below, press the button
of the circuit breaker to
turn it ON. If the circuit
breaker turns OFF again
immediately after
turning the power switch
ON, check whether the
AC power supply line is
shorted.
Wiring
4
Unplug the power cord.
When you place the lead rod
between the power switch
terminals, does it measure 0
Ω
while the switch is ON and
∞Ω
while it is OFF?
YES
Check the AC line
wiring.
Power supply unit
NO
Replace the power
supply unit.