HP CM8060 Color MFP Kundendienst Handbuch Seite 1468

C2.0201: Dryer Temperature sensor (SN36) problem
Initial Steps
1. „Dryer component locator" auf Seite 2359
Check the temperature reading
1. Temperature should be approximately between 127 and 129 Fahrenheit (53 to 54 Celsius).
Does the temperature reading match the product operating conditions?
No Yes
Check the wire harness between the Dryer Temperature sensor (SN36) and the Ink Assist PCA (A3)
1. Check the wire harness between SN36 and A3.
1 „Dryer wiring diagram" auf Seite 2267
Test the voltage to the Dryer Temperature sensor (SN36) at the dryer bulkhead
1. Test the voltage to SN36: 1.89 and 2.2 Vdc at J36 pins 1 to 2.
„Dryer wiring diagram" auf Seite 2267
VORSICHT! Use an ESD strap.
Is the voltage correct?
No Yes
Test the resistance of the Dryer Temperature sensor (SN36)
1. Disconnect dryer connector J36 at the dryer bulkhead.
„Dryer wiring diagram" auf Seite 2267
2. Measure the resistance between pins 1 and 2 on J36 going to SN36.
1
Is the resistance approximately 6,500 ohms (129F/54C ready mode)?
No Yes
1
Check the wire harness between the Dryer Temperature sensor (SN36) and the Ink Assist PCA (A3)
1. Check the wire harness between SN36 and A3.
1 2
„Dryer wiring diagram" auf Seite 2267
Check the wire harness between the Dryer Temperature sensor (SN36) and the Ink Assist PCA (A3)
1. Check the wire harness between SN36 and A3.
If the wire harness is in good condition, replace SN36.
1
„Dryer wiring diagram" auf Seite 2267
Check the voltage LEDs on the Ink Assist PCA (A3)
1. Verify that the 12, 24, and 32 Vdc and system good LEDs are lit.
„Ink Assist PCA (A3) diagram" auf Seite 2305
Are the LEDs lit?
No Yes
1402 Kapitel 8 Hardware fault trees DEWW