Phaser 7500 Printer Service Manual
4-13
General Troubleshooting
AC Power Troubleshooting
Troubleshooting Reference Table
Applicable Parts
Wiring and Plug/Jack Map References
■
GFI, PL18.1.15
■
Power Cord, PL18.1.23
■
Main LVPS, PL18.1.11
■
Main Power Switch kit, PL18.1.24
■
“Map 5 - Back Plane, GFI, TM Relay,
Troubleshooting Procedure Table
Step Action and Questions
Yes
No
1
Does the GFI Breaker trip?
Go to step 3.
Go to step 2.
2
Reset the GFI Breaker.
Does the Breaker trip again?
Check AC for a
short circuit.
Troubleshooting
complete.
3
Is line voltage available at GFI
Breaker terminals 1 and 2?
Go to step 6.
Go to step 4.
4
Disconnect the Power Cord.
Is line voltage available at the wall
outlet?
Go to step 5.
Advise the
customer.
5
Check the Power Cord.
Is the Power Cord undamaged?
Replace the
GFI (REP 18.9,
Replace the
Power Cord.
6
Unplug the Power Cord and
disconnect J1 on the Main LVPS.
Check these connections.
■
GFI Breaker J10 <=> Main LVPS J1-
1
■
GFI Breaker J11 <=> Main LVPS J1-
3
Are the circuits secure?
Go to step 7.
Repair the
wiring.
7
Turn the power On.
Is the voltage between the Main
LVPS J4-1 and J4-3 110V/220V?
Check the AC
circuit to each
component.
Go to step 8.
8
Is the voltage between the Main
Power Switch P57 110V/220V?
Repair
connections in
these circuits:
■
Power Switch
P57 <=>
Main LVPS
J4-1
■
Power Switch
P61 <=>
Main LVPS
J4-3
Go to step 9.
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: ......