Panasonic FP-7742, Руководство по обслуживанию

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4-46
E1-40: Optics fan motor (1) rotation
E1-41: Optics fan motor (2) rotation
E1-43: Optics fan motor (4) rotation
A lock signal is detected when the fan
motor is rotating.
Is DC24V, detected on CN 106-9, 12 or NO LVPS is defective.
CN 107-3 (on LVPS PCB)?
YES
Connector is shorted or broken, Harness is defective. Fan is defective.
A rotation signal is detected when the fan motor stops.
Is 0V CN106-9, 12 or CN107-3 NO LVPS is defective.
(on LVPS PCB)?
YES
Fan is defective.
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E2-01: Lift motor rotation 1 (Copier upper tray)
E2-02: Lift motor rotation 1 (Copier lower tray)
E2-03: Lift motor rotation 1 (System console upper)
E2-04: Lift motor rotation 1 (System console middle)
E2-05: Lift motor rotation 1 (System console lower)
When the lift motor is turned on, the level sensor is not turned ON within a predetermined time.
Does the lift motor lift the plate? YES Check level sensor signal(CN-2) when
NO the plate rises.
Changed: CPU PCB defective.
Not changed:
Check sensor lever.
Check DC5V of CN-1.
Level sensor is defective.
Does LUMX-2* changed "H" to "L" YES Lift motor drive mechanism is defective.
when the lift motor is turned ON? Lift motor is defective.
NO Driver PCB is defective.
Copier CPU PCB is defective.
* NOTE: X=1: Lift motor signal (Copier upper tray)
X=2: Lift motor signal (Copier lower tray)
X=3: Lift motor signal (System console upper)
X=4: Lift motor signal (System console middle)
X=5: Lift motor signal (System console lower)
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