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Phaser 7500 Printer Service Manual
Error Messages and Codes
Heat Roll NC Sensor Over Temperature Fail
The temperature at the Center Control Temp. Sensor was detected to be higher
than the defined value 10 or more times in a row.
Note
To clear this error, perform
Clear
Tech Rep Faults
in Diagnostics and then turn
the power Off and On.
Applicable Chain-Link Code
•
010-333
: Heat Roll NC Sensor Over Temperature Fail
Initial Actions
•
Check whether debris or paper is wound around the Heat Roll.
•
Check that the MCU PWB connector J414 and the Main LVPS J530 are
connected correctly.
•
If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
Wiring and Plug/Jack Map References
■
Fuser Assy, PL7.1.1
■
Main LVPS, PL18.1.11
■
MCU PWB, PL18.3.6
Troubleshooting Procedure
Step
Actions and Questions
Yes
No
1
Check the resistance.
Turn Off the power, disconnect J4
and J31 on the Main LVPS.
Is the resistance between Main LVPS
P4-3 and P31-1, 2 infinite?
Replace the
following parts
in sequence:
■
Fuser
Assembly
(REP 7.1,
)
■
MCU PWB
(REP 18.12,
)
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: ......