No Paper Feeding From Mp Tray; Feed Multiple Numbers Of Sheets Of Paper - Brother HL-S7000DN Service Manual

4.2.2

No paper feeding from MP tray

<User Check>
- Check if the paper is loaded into the MP tray correctly.
- Check whether multiple numbers of sheets of paper are set to the MP tray.
- Check if the thickness of the paper is 60 to 163 g/m
- Check whether the MP tray is specified for the paper feeding tray.
Step
1
2
3
4
5
6
7
4.2.3

Feed multiple numbers of sheets of paper

<User Check>
- Check if the paper is loaded into each paper tray correctly.
- Check whether the number of set sheets of paper inside each paper tray is too much.
- Turn back the paper loaded in each paper tray or change the orientation of the paper by
180°.
- Check if the thickness of the paper is 60 to 105 g/m
- Fan the stack of paper well and reinsert the papers into the paper tray.
Step
1
2
Cause
Coming off of MP paper empty
actuator
MP solenoid harness connection
failure
Paper feed motor harness
connection failure
MP paper empty sensor PCB
harness connection failure
Paper feed PCB failure
Power supply PCB failure
Main PCB failure
Cause
Retard roller installation failure
Abrasion of retard roller,
separation pad or separation
roller
2
.
Re-assemble the MP paper empty
actuator.
Check the connection of MP solenoid
harness and reconnect the harness.
Check the connection of paper feed motor
harness and reconnect the harness.
Check the connection of each MP paper
empty sensor PCB harness and reconnect
the harness.
Replace the paper feed PCB ASSY.
Replace the power supply PCB ASSY.
Replace the main PCB ASSY.
2
. (60 to 163 g/m
Re-assemble the retard roller.
Replace the paper feeding kit of the
applicable paper tray.
2-109
Remedy
2
for MP tray)
Remedy
Confidential