Document Scanner Home Position Sensor Is Not Turned Off - Brother DCP-8070D Service Manual

■ Error code AF
CCD model
Scanner Locked
Open the Document Cover and release Scanner lock lever. Press Stop
key.
CIS model
Scan Unable
See Troubleshooting and routine maintenance chapter in User's
Guide.

Document Scanner home position sensor is not turned off.

<User Check>
• Check that the scanner lock lever is unlocked.
- CCD model
Step
Home position sensor harness not
1
connected correctly
2 Drive PCB failure
3 Belt broken
4 Home position sensor failure
5 Scanner motor failure
6 Main PCB failure
- CIS model
Step
1 FFC cable not connected correctly Reconnect the FFC cable.
2 Drive PCB failure
3 Document scanner unit failure
4 Main PCB failure
■ Error code B0
Scanner Error
FFC for scanner module is not connected correctly or failure of the document scanner unit.
* This error is indicated on the LCD in the maintenance mode.
Step
Harness for scanner module not
connected correctly.
1
2 Scanner harness broken
3 Main PCB failure
Cause
Cause
Cause
3-32
Remedy
Reconnect the home position sensor
harness.
Replace the drive PCB.
Replace the belt.
Replace the home position sensor.
Replace the scanner motor.
Replace the main PCB ASSY.
Remedy
Replace the drive PCB.
Replace the document scanner unit.
Replace the main PCB ASSY.
Remedy
Reconnect the harness for the CCD unit
correctly. (CCD model)
Reconnect the harness for the document
scanner unit correctly. (CIS model)
Replace the FFC cable ASSY.
Replace the main PCB ASSY.
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