Olivetti d-Copia 3501 Service Manual page 107

a. SPF unit
1) Remove the rear cabinet of the scanner section.
2) Disconnect the connector.
3) Disconnect the grounding wire.
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4) Slide the SPF unit to the bottom, then remove it.
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a-1. SPF document stopper solenoid
1) Remove the upper transport unit cover.
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AR-EF3
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2) Remove the stopper solenoid.
a-2. SPF document resist front sensor
a-3. SPF paper feed cover sensor
a-4. SPF document set sensor
1) Remove the upper transport unit cover.
2) Remove the sensors.
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a-5. SPF control PWB
1) Remove the SPF PWB, and remove the SPF control PWB.
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Service Manual
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Y105220-6