HP CM8060 Color MFP Kundendienst Handbuch Seite 1318

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 2 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
VORSICHT!
1
Is the voltage 32 Vdc at the 32 Vdc test point and 5 Vdc at the 5 Vdc test point on A1?
No Yes
1
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 A23 and A1. Repair as needed.
„Trays 2, 3, and 4 controller PCA diagram" auf Seite 2298
1 2 „Power Distribution PCA (A1) diagram" auf Seite 2312
Test the voltage on the Power Distribution PCA (A1)
1. Disconnect J3 from A1.
2. Disconnect J6 from A1.
3. Test the voltage at J3 on A1: 32 Vdc at J3 pins 3 to 15, 4 to 16, 5 to 17, and 6 to 18.
4. Test the voltage at J6 on A1: 5 Vdc at J6 pins 6 to 3, 4 to 3, 19 to 3, and 20 to 3.
„Electronics component locator" auf Seite 2367
„Power Distribution PCA (A1) diagram" auf Seite 2312
1 Are the voltages correct?
No Yes
1
Replace the Power Distribution PCA (A1)
1. Replace A1.
„Power Distribution PCA (A1)" auf Seite 712
1 2 VORSICHT!
Replace the Power supply (PS1)
1. Replace PS1.
1
„Stromversorgungseinheit" auf Seite 707
Check voltage at the 32 Vdc and 5 Vdc test points on the Power Distribution PCA (A1)
1. Check voltage at the 32 Vdc and 5 Vdc test points.
„Power Distribution PCA (A1) diagram" auf Seite 2312
VORSICHT! Use an ESD strap.
Is the voltage 32 Vdc at the 32 Vdc test point and 5 Vdc at the 5 Vdc test point on A1?
1252 Kapitel 8 Hardware fault trees
Use an ESD strap.
Use an ESD strap.
Use an ESD strap.
DEWW