Chapter 4
4-32
Pickup roller height sensor 1 (PI8)
3) Se the meter range to 10 VDC. Does the voltage between J14-A8 (+) and J14-A7 (-) on the ADF controller PCB alternate between 0 and 5 V when the pickup
roller unit (rear) is moved up/down by hand?
NO: Replace the pickup roller height sensor 1 (PI8).
Pickup roller height sensor 2 (PI9)
4) Set the meter range to 10 VDC. Does the voltage between connectors J14-A1 (+) and J14-A10 (-) on the ADF controller PCB alternate between 0 and 5 V when
the pickup roller unit (front) is moved up/down by hand?
NO: Replace the pickup roller height sensor 2 (PI9).
Pickup roller home position sensor (PI7)
5) Set the meter range to 10 VDC. Is the voltage between connectors J14-A5 (+) and J14-A4 (-) on the ADF controller PCB about 5 V when the pickup roller
unit is returned to home position by hand?
NO: Replace the pickup roller home position sensor (PI7).
ADF controller PCB
6) Try replacing the ADF controller PCB. Is the problem corrected?
YES: Replace the ADF controller PCB.
4.4.1.5 E420
0011-3668
Communication cable
1) Is the cable between the copier and the DADF properly connected?
NO: Connect the cable properly.
Connector
2) Is the connector (J1) on the ADF controller PCB properly connected?
NO: Connect the connector properly.
Cable, ADF controller PCB
3) Is the cable from the connector (J1) on the ADF controller PCB to the communication cable connected properly?
NO: Connect the cable properly.
YES: Replace the ADF controller PCB.
4.5 Outline of Electrical Components
4.5.1 Sensors
0011-7880
F-4-153
PI 10
PI 11
PI 13
PI 12
PI 4
PI 1
PI 3
PI 2
PI 7
PI 6
PI 5
PI 9
PI 8
S1
S2
S3
S5
S6
S6
S7
S4
S9
Summary of Contents for DADF-Q1
Page 1: ...Aug 24 2007 Service Manual Feeder DADF Q1 ...
Page 2: ......
Page 6: ......
Page 11: ...Chapter 1 Specifications ...
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Page 19: ...Chapter 2 Functions ...
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Page 75: ...Chapter 3 Parts Replacement Procedure ...
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Page 107: ...Chapter 4 Maintenance ...
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Page 149: ...Chapter 5 Error Code ...
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Page 155: ...Aug 24 2007 ...
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