HP CM8060 Color MFP Kundendienst Handbuch Seite 1473

C2.0901: Dryer fan (FAN5) problem
Initial Steps
1. „Dryer component locator" auf Seite 2359
Check the Dryer fan (FAN5) RPM on the diagnostics screen
1. Select the minimal temperature/fan button and read the RPM.
TIPP: Click Subsystems, and then click Dryer.
Is the fan RPM between 4700 and 5000?
No Yes
Check the wire harness between the Dryer fan (FAN5) and the Main Engine PCA (A5)
1. Check the wire harness between FAN5 and A5.
„Dryer wiring diagram" auf Seite 2267
1 VORSICHT!
Test the voltage to the Dryer fan (FAN5) voltage on the dryer bulkhead
1. Select the minimal temp/fan button.
2. Test the voltage to FAN5: 28 Vdc at J14 pins 1 to 2 (GND) and approximately 1 to 2 Vdc at J14 pins 3 to 2 (GND).
Is the voltage correct?
No Yes
Check the wire harness between the Dryer fan (FAN5) and the dryer assembly
1. Check the wire harness between FAN5 and the dryer assembly.
If the wire harness is in good condition, replace FAN5.
„Dryer wiring diagram" auf Seite 2267
1 VORSICHT!
Check the 32 Vdc LED on the Ink Assist PCA (A3)
1. Verify that the LED is lit.
„Ink Assist PCA (A3) diagram" auf Seite 2305
Is the LED lit?
No Yes
Test the voltage to the Dryer fan (FAN5) on the Ink Assist PCA (A3)
1. Select the minimal temp/fan button.
2. Test the voltage to FAN5 on A3: 24 to 32 Vdc at J5 pins 11 to 10 (GND) and approximately 3.3 Vdc at pins 22 to 10 (GND).
VORSICHT!
1 Is the voltage correct?
1 No Yes
DEWW
Use an ESD strap.
Use an ESD strap.
Use an ESD strap.
C2.0901: Dryer fan (FAN5) problem 1407