Xerox 7750DXF - Phaser Color Laser Printer User Manual

Error Messages and Codes 3-31
Fuser STS (Rear) Warm Time Failure, Code 46
Sub-heater warm-up error. The temperature did not reach “Ready” temperature within
the specified time.
Fuser SSR2 On Time Failure, Code 47
The Sub-heater remained ON for more than the specified time.
Troubleshooting References
Applicable Parts Wiring and Plug/Jack Map References
■ Fuser
■ Engine Control Board
Troubleshooting Procedure
Step Actions and Questions Yes No
1
1. Turn OFF power, remove the fuser
assembly and allow it to cool down.
2. Measure the resistance between the
Fuser connector P600-7 and P600-9.
3. Does the resistance measure between
30 K and 190 K Ohms?
Go to step 2. Replace the fuser
assembly.
2
1. Measure the resistance between fuser
connector P600-3 and P600-12.
2. Does the resistance measure 20 Ohms
or less?
Go to step 3. Replace the fuser
assembly.
3
1. Reinstall the fuser assembly.
2. Enter service diagnostics.
3. From the Sensor Tests run the Fuser
Temperature test.
4. Is the temperature indicated
approximately 165
o
C?
Go to step 5. Go to step 4.
4
1. Turn printer power OFF.
2. Check for an open circuit or poor
connection between J641-4 and
J641-5.
3. Is the wiring harness OK?
Replace the
engine control
board.
Repair or replace
the wiring
harness.

Xerox 7750DXF - Phaser Color Laser Printer Specifications

General

Brand	Xerox
Model	7750DXF - Phaser Color Laser Printer
Category	Printer
Language	English