Paper Feeding Problems; No Paper Feeding From Paper Tray - Brother HL-S7000DN Service Manual

4.2

Paper Feeding Problems

Problems related to paper feeding are end user recoverable if following the User Check items.
If the same problem occurs again, follow each procedure in the order of the number described
in the Step column in the tables below.
4.2.1

No paper feeding from paper tray

<User Check>
- Check if the paper is loaded into the paper tray correctly.
- Check whether the number of set sheets of paper inside the paper tray is too much.
- Turn back the paper loaded in the paper tray or change the orientation of the paper by 180°.
- Check if the thickness of the paper is 60 to 105 g/m
- Check whether paper feeding tray specified a different tray.
- Fan the stack of paper well and reinsert the papers into the paper tray.
- Clean the pick-up roller.
- Check if the eject tray A4/Letter is installed in the reverse orientation in each eject tray.
Step
1
2
3
4
5
6
7
8
9
10
11
Cause
Coming off of paper feed
actuator
Plate motor harness connection
failure
Paper feed motor harness
connection failure
Each paper feeding clutch
harness connection failure
Each paper feed sensor PCB
harness connection failure
Each Pick-up roller abrasion
Each paper feed sensor failure
Each LT relay PCB failure
Paper feed PCB failure
Power supply PCB failure
Main PCB failure
2
.
Re-assemble the paper feed actuator.
Check plate motor harness connection
and reconnect the harness.
Check the plate feed motor harness and
reconnect the harness.
Check the connection of each paper
feeding clutch harness and reconnect the
harness.
Check the connection of each paper feed
sensor PCB harness and reconnect the
harness.
Replace each Pick-up roller.
Replace each paper feed sensor.
Replace each LT relay PCB ASSY.
Replace the paper feed PCB ASSY.
Replace the power supply PCB ASSY.
Replace the main PCB ASSY.
2-108
Remedy
Confidential