Xerox 4150 - WorkCentre B/W Laser, Service Manual

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January 2016
2-76 WorkCentre WorkCentre 4150/4250/4260WorkCentre 4150/4250/42604150/
10-400, 10-500
Status Indicator RAPs
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 Diagnostics. Select Copier Routines > dC 330. Enter code 10-300 to check the
Power Supply Unit 2. If necessary, install a new PSU 2,
PL 1.10 Item 4 .
NOTE: When working on a 4150 machine, be aware that due to a software glitch, the 10-
300 check on the power supply unit 2 will result in a “failed” result, even on a functional
machine. This does not apply to the 4250, 4260 or 4265 machines.
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 .
• HVPS, PL 1.10 Item 2 .
6. Perform the OF5 Main PWB Check RAP.
10-500 Fuser Warning RAP
10-500 The fuser is near the end of the design life. The design life is 250,000 print pages.
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.
1. No immediate action is necessary. Ensure that a replacement fuser assembly, PL 10.28
Item 1 is in stock.