4-14 Phaser 6300/6350 Color Laser Printer Service Manual
Fan Output Circuit
For the Fan Rear On(H) signal, the output voltage varies depending on the status of
FAN LOW signal and FanStop signal from the Fan Control circuit on the LVPS (refer
to
"Power" on page 10-17).
+24 VDC Output Stopped By Interlock Switch
Opening Door A or B opens the Interlock Switch. This shuts off the +24 VDC
supplied to the motors, clutches, and solenoids.
AC Power Supply Troubleshooting
DC Power Supply Troubleshooting
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
â– LVPS, PL9.1.6 â– Print Engine Power Wiring Diagram (page 10-17)
Troubleshooting Procedure Table
Step Action and Questions Yes No
1
Check the voltage at the AC wall outlet.
Is there approximately 110 VAC (or 220 VAC if
the printer is a 220 V configuration) at the AC wall
outlet?
Go to Step 2. Notify the
customer of
improper AC
output from the
outlet.
2
Check the power cord for defects or a loose
connection.
Replace or
reseat the power
cord.
Replace the
LVPS
(
page 8-99).
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
â– LVPS, PL9.1.6 â– Print Engine LVPS and Drive P/J Locator (page 10-6)
â– Print Engine Power Wiring Diagram (page 10-17).
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