Brother DCP-J4110DW Service Manual page 96

Step
1 Paper pull-in roller not mounted
in place
2 CR encoder strip stained
3 PF encoder disk stained
4 Bank ASSY out of place
5 The grease of the switching lever
guide of the maintenance unit is
not enough
6 Paper feed motor harness
connection failure
7 Registration actuator out of place
8 Paper feeding path parts out of
place
9 Paper pull-in roller worn out
10 CR encoder strip defective
11 CR encoder sensor defective
12 Switching lever guide defective
13 Registration sensor defective
14 Paper feed motor defective
15 Main PCB defective
Apply grease here.
Cause
Set the paper pull-in roller into place.
Clean the CR encoder strip.
Clean the PF encoder disk and flushing guide (refer
to
Set the bank ASSY into place.
Apply the grease for the switching lever guide of the
maintenance unit.
Reconnect the paper feed motor harness.
Set the registration actuator into place.
Set the feeding path parts into place.
Replace the paper pull-in roller.
Replace the CR encoder strip
Replace the carriage PCB ASSY.
Replace the maintenance unit.
Replace the registration sensor PCB ASSY.
Replace the paper feed motor.
Replace the main PCB ASSY.
2-59
Solution
Chapter 3, Section 1.)
Maintenance unit
(2_002_E)
Confidential