Xerox WorkCentre 4150 Service Manual page 104

10-400 Fuser Unit Error RAP
10-400 The machine has detected a fault with the fuser assembly.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
WARNING
Do not touch the fuser while it is hot.
NOTE: The main PWB has 4 test points, GND, +3.3V, +5V and +24V. The location of the test
points is shown on the Main PWB PJ location illustration.
Refer to Wiring Diagram 1, Wiring Diagram 2 and Wiring Diagram 4. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter code 10-300 to check power supply unit 2. If necessary, install a new power supply
unit 2, PL 1.10 Item 4.
3. Check the wiring between the fuser connector, PL 4.15 Item 20 and CON3, CON8 and
CON9 on Power Supply Unit 2. If necessary, install a new fuser connector.
4. Check the wiring between CON4 on Power Supply Unit 2 and CN7 on the Main PWB.
5. Install new components as necessary:
• Fuser assembly, PL 10.25 Item 1.
• Power supply unit 2, PL 1.10 Item 4.
• Main PWB, PL 1.10 Item 1.
• HVPS, PL 1.10 Item 2.
Status Indicator RAPs
10-400
September 2006
2-46 WorkCentre 4150