HP CM8060 Color MFP Kundendienst Handbuch Seite 1490

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1424 Kapitel 8 Hardware fault trees
Test the voltage at the Web Low sensor (SN21)
1. Disconnect the wire connector from SN21.
2. Test the voltage at Web Low sensor (SN21): 0.18 Vdc blocked, 2.91 Vdc unblocked at pins 5 to 6 and 1.21
Vdc blocked and unblocked at pins 7 to 6 on W33P12-W47J12.
„Web wipe wiring diagram" auf Seite 2302
VORSICHT! Use an ESD strap.
Is the voltage correct?
No Yes
Test the voltage at the Web Advance encoder (EN11)
1. Disconnect the wire connector from EN11.
2. Test the voltage at EN11: 3.24 Vdc at pins 9 to 11 on W33P12-W47J12.
„Web wipe wiring diagram" auf Seite 2302
„Web wipe component locator" auf Seite 2373
VORSICHT!
4 Is the voltage correct?
4 No Yes
Replace the Web Low sensor (SN21)
1. Replace SN21.
4 5
„Servicestationssensoren" auf Seite 669
Test the voltage to the Web Low sensor (SN21) on the Motion PCA (A2)
1. Verify that W33P21 is connected to SN21.
2. Disconnect J7 from A2.
3. Test the voltage to SN21 on A2: 1.22 Vdc blocked and unblocked on J7 at pins 7B to 6B and 0.18
Vdc blocked, 3.19 Vdc unblocked at pins 5B to 6B.
„Motion PCA (A2) diagram" auf Seite 2308
VORSICHT!
4 Is the voltage correct?
4 No Yes
Check the wire harness between the Web Advance encoder (EN11) and the Motion PCA
(A2)
1. Check the wire harness between EN11 and A2.
4 5 „Web wipe wiring diagram" auf Seite 2302
Replace the Motion PCA (A2)
1. Replace A2.
„Motion PCA (A2)" auf Seite 710
4 VORSICHT!
Use an ESD strap.
Use an ESD strap.
Use an ESD strap.
DEWW