Xerox Phaser 6180 - AC Noise

Phaser 6180 Color Laser Printer Service Manual 4-79
General Troubleshooting
AC Noise
There is high pitch sound coming from the printer.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ LVPS, PL9.1.4
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check for abnormal noise. Is there
abnormal noise from the motors when
turning On the printer?
Go to step 2. Go to step 4.
2 1. Turn the printer power Off.
2. Disconnect the power cord and wait for
one minute.
3. Reseat the LVPS connectors.
4. Turn the printer power On. Is the printer
working?
Complete. Go to step 3.
3 Check the MCU Board for correct
installation. Reseat the MCU Board.
Is the printer working?
Complete. Replace the
LVPS
(page 8-81).
4 1. Connect the printer power cord to
another electrical outlet.
2. Turn the printer power On. Is the printer
working?
Complete. Go to step 5.
5 1. Turn the printer power Off.
2. Check the power cord connection.
Reconnect the printer power cord. Is the
printer working?
Complete. Go to step 6.
6 1. Turn the printer power Off.
2. Disconnect the power cord and wait for
one minute.
3. Reseat the LVPS connectors.
4. Turn the printer power On. Is the printer
working?
Complete. Go to step 7.
7 1. Turn the printer power Off.
2. Disconnect the printer power cord and
wait for one minute.
3. Reconnect the power cord.
4. Turn the printer power On. Is the printer
working?
Complete. Replace the
LVPS
(page 8-81).