Brother MFC-J3530DW, Service Manual

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Confidential
2-41
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Error Code 6700
T1 detection sensor detects no paper tray #1 state.
< User Check >
- Set paper tray #1.
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Error Code 6701
T2 detection sensor detects no paper tray #2 state.
< User Check >
- Set paper tray #2.
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Error Code 6702
T3 detection sensor detects no paper tray #3 state.
< User Check >
- Set paper tray #3.
Step Cause Solution
1 T1 detection actuator caught
on the surrounding parts Set the T1 detection actuator into place.
2 T1 detection sensor harness
connection failure Reconnect the T1 detection sensor harness.
3 Paper tray #1 defective Replace the paper tray ASSY #1.
4 Main PCB defective Replace the main PCB.
Step Cause Solution
1 T2 detection actuator caught
on the surrounding parts Set the T2 detection actuator into place.
2 T2 detection sensor harness
connection failure Reconnect the T2 detection sensor harness.
3 Paper tray #2 defective Replace the paper tray ASSY #2.
4 Main PCB defective Replace the main PCB.
Step Cause Solution
1 T3 detection actuator caught
on the surrounding parts Set the T3 detection actuator into place.
2 3rd tray relay harness
connection failure Reconnect the 3rd tray relay harness.
3 T3 detection sensor harness
connection failure Reconnect the T3 detection sensor harness.
4 Paper tray #3 defective Replace the paper tray ASSY #3.
5 3rd tray relay PCB defective Replace the 3rd tray relay PCB.
6 Main PCB defective Replace the main PCB.