HP CM8060 Color MFP Kundendienst Handbuch Seite 1458

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Test the voltage at the Drum motor (M3)
1. Test the voltage at M3: 5 Vdc at pins 1 to 2 on W35P3-M3.
„Drum wiring diagram" auf Seite 2265
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Does the voltage correct?
No
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Check for voltage to the Drum motor (M3) on the Motion PCA (A2)
1. Disconnect J15 from A2.
„Motion PCA (A2) diagram" auf Seite 2308
2. Test the voltage to M3 on A2: 5 Vdc at J15 pins 3 to 8.
1 2 Does the voltage correct?
1392 Kapitel 8 Hardware fault trees
Test the Drum motor (M3)
1. Reconnect the M3.
2. Remove the M3 assembly. Examine it for belt and pulley binding.
3. Check for belt tension from the spring. The tension is not critical.
VORSICHT! Moving parts can cause injury.
TIPP: Click Subsystems, and then click Drum.
Does the motor run?
No Yes
Reinstall the Drum motor (M3) assembly
1. Reinstall the M3 assembly and look for mechanical sources for potential binding. The motor might
4 be weak and in need of replacement.
Test the Drum motor (M3)
1. Remove the drive belt from M3.
„Drum component locator" auf Seite 2358
TIPP: Click Subsystems, and then click Drum.
Does the motor run?
No Yes
Reinstall the drive belt
1. Reinstall the drive belt and look for mechanical sources for binding on the Drum motor (M3)
4 assembly. The motor might be weak and in need of replacement.
Replace the Drum motor (M3)
1. Replace M3.
„Drum component locator" auf Seite 2358
Yes
Repair or replace the wire harness
1. „Drum wiring diagram" auf Seite 2265
DEWW