Phaser 7500 Printer Service Manual
4-15
General Troubleshooting
Power Supply Troubleshooting
+5 VDC Power Troubleshooting
Troubleshooting Reference Table
Applicable Parts
Wiring and Plug/Jack Map References
■
Main LVPS, PL18.1.11
■
“Map 9 - Main LVPS, Waste Toner
Troubleshooting Procedure Table
Step Action and Questions
Yes
No
1
Turn On the power.
Is the voltage between the Main LVPS
J510-1 (+) and the GND (-) +5VDC?
Go to step 4.
Go to step 2.
2
Is the voltage between the Main LVPS
J4-1 and J4-3 line voltage?
Go to step 3.
3
Turn the power Off and disconnect
the Main LVPS J501 and J510.
Turn On the printer 15 seconds later.
Is the voltage between the Main LVPS
J510-1 (+) and the GND (-) +5VDC?
Check the
+5VDC circuit
for a short
circuit to
ground.
Replace the
Main LVPS
(REP 18.7,
4
Is the voltage between the Main LVPS
J510-2 (+) and the GND (-) +5VDC?
Check the wire
to the relevant
component for
an open circuit
and poor
continuity.
Replace the
Main LVPS
(REP 18.7,
Summary of Contents for PHASER 7500
Page 1: ...Phaser 7500 Color Printer Phaser 7500 Service Manual Xerox Internal Use Only ...
Page 2: ......
Page 60: ...1 30 Phaser 7500 Printer Service Manual General Information ...
Page 448: ...3 310 Phaser 7500 Printer Service Manual Error Messages and Codes ...
Page 484: ...4 36 Phaser 7500 Printer Service Manual General Troubleshooting ...
Page 544: ...5 60 Phaser 7500 Printer Service Manual Print Quality Troubleshooting ...
Page 545: ...6 Chapter Adjustments and Calibrations In this chapter Adjustments Calibrations ...
Page 554: ...6 10 Phaser 7500 Printer Service Manual Adjustments and Calibrations ...
Page 562: ...7 8 Phaser 7500 Printer Service Manual Cleaning and Maintenance ...
Page 900: ...9 118 Phaser 7500 Printer Service Manual Parts List ...
Page 958: ...10 58 Phaser 7500 Printer Service Manual Plug Jack and Wiring Diagrams ...
Page 980: ...11 22 Phaser 7500 Printer Service Manual Reference ...
Page 990: ...I 10 Phaser 7500 Printer Service Manual Index ...
Page 991: ......