HP CM8060 Color MFP Kundendienst Handbuch Seite 1287

Replace the Power supply (PS1)
1. Replace PS1.
1
„Stromversorgungseinheit" auf Seite 707
Check the 5, 24, and 32 Vdc LEDs on the Trays 2, 3, and 4 Controller PCA (A23)
1. Verify that the LEDs are lit.
„Trays 2, 3, and 4 controller PCA diagram" auf Seite 2298
Are the 5, 24, and 32 Vdc LEDs lit?
No Yes
Test the voltage to the Tray 2, 3, and 4 Humidity sensor (SN42) on the Trays 2, 3, and 4 Controller PCA (A23)
1. Disconnect J5 from A23.
2. Test the voltage to SN42 on A23: 5 Vdc at J5 pins 1 to 4 (GND).
„Trays 2, 3, and 4 assembly wiring diagram" auf Seite 2296
VORSICHT!
1 Is the voltage correct?
1 No Yes
Replace the Tray 2, 3, and 4 Humidity sensor (SN42)
1. Verify that SN42 is clean and has no obstructions.
2. Check the electrical connections and wiring between the sensor and the Trays 2, 3, and 4 Controller PCA (A23).
3. If SN42 is clean and the connections are secure, replace the sensor.
„Sensoren Fächer 2, 3 und 4" auf Seite 343
1 2 VORSICHT!
Replace the Trays 2, 3, and 4 Controller PCA (A23)
1. Replace A23.
„Trays 2, 3, and 4 Controller PCA (A23)" auf Seite 341
1 VORSICHT!
Test the voltage at the 32 Vdc and 5 Vdc test points on the Power Distribution PCA (A1)
1. Test the voltage at the 32 Vdc and 5 Vdc test points.
„Power Distribution PCA (A1) diagram" auf Seite 2312
Is the voltage 32 Vdc at the 32 Vdc test point and 5 Vdc at the 5 Vdc test point?
No Yes
Check the wire harness between the Trays 2, 3, and 4 Controller PCA (A23) and the Power Distribution PCA (A1)
1. Check the wire harness between A1 and A23.
2. Repair or replace as needed.
„Trays 2, 3, and 4 controller PCA diagram" auf Seite 2298
1 „Power Distribution PCA (A1) diagram" auf Seite 2312
DEWW
Use an ESD strap.
Use an ESD strap.
Use an ESD strap.
A1.02C3: Tray 2, 3, and 4 Humidity sensor (SN42) 1221