6700 T1 Detection Sensor Detects No Paper Tray #1 State; T2 Detection Sensor Detects No Paper Tray #2 State; T3 Detection Sensor Detects No Paper Tray #3 State - Brother HL-J6000DW Service Manual

■ Error Code 6700
T1 detection sensor detects no paper tray #1 state.
< User Check >
- Set paper tray #1.
Step
1 T1 detection actuator caught
on the surrounding parts
2 T1 detection sensor harness
connection failure
3 Paper tray #1 defective
4 Main PCB defective
■ Error Code 6701

T2 detection sensor detects no paper tray #2 state.

< User Check >
- Set paper tray #2.
Step
1 T2 detection actuator caught
on the surrounding parts
2 T2 detection sensor harness
connection failure
3 Paper tray #2 defective
4 Main PCB defective
■ Error Code 6702

T3 detection sensor detects no paper tray #3 state.

< User Check >
- Set paper tray #3.
Step
1 T3 detection actuator caught
on the surrounding parts
2 3rd tray relay harness
connection failure
3 T3 detection sensor harness
connection failure
4 Paper tray #3 defective
5 3rd tray relay PCB defective
6 Main PCB defective
Cause
Set the T1 detection actuator into place.
Reconnect the T1 detection sensor harness.
Replace the paper tray ASSY #1.
Replace the main PCB.
Cause
Set the T2 detection actuator into place.
Reconnect the T2 detection sensor harness.
Replace the paper tray ASSY #2.
Replace the main PCB.
Cause
Set the T3 detection actuator into place.
Reconnect the 3rd tray relay harness.
Reconnect the T3 detection sensor harness.
Replace the paper tray ASSY #3.
Replace the 3rd tray relay PCB.
Replace the main PCB.
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Solution
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