Brother HL-4000CN, Service Manual

Page: 231 / 345

V-21
REGI JAM FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
REGI sensor actuator replacing condition
chute ASSY REGI replacing condition
Replace the parts
concerned
Go to step [2]
2
Checking REGI sensor
Does REGI sensor function normally?
Using REGI sensor diagnostic tool, check
by Digital Input Test.
Go to step [6] Go to step [3]
3
Checking REGI clutch harness for
connection
Is it connected normally to the REGI
sensor?
Go to step [4]
Replace the
parts
concerned
4
Checking REGI clutch harness for
continuity
Is J181<=>J18 continuous normally?
Go to step [5]
Replace chute
REGI
5
Checking MCU and HVPS PWB for signal
Is P/J18-3<=>P/J18-2 0VDC?
Go to step [6]
Replace REGI
sensor
6
Checking clutch REGI
Does clutch REGI function normally?
Using clutch REGI diagnostic tool, check
by digital output test.
In the test, close the interlock SW.
Go to step [9] Go to step [7]
7
Checking clutch REGI for resistance value
Remove the clutch connector J18.
Is J18-4PIN<=>J18-5PIN less than 200
Ω
?
Go to step [8]
Replace chute
REGI
8
Checking MCU and HVPS PWB for signal
Close the interlock SW
Is P18-4PIN<=>P18-2PIN +24VDC?
Go to step [9]
Replace MCU
and HVPS
PWB
9
Checking chute REGI
Does the roll rotate smoothly by hand? Replace the chute
REGI on the
machine, and
check the gears
for meshing.
Replace chute
REGI
Feed JAM FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
Paper cassette replacing condition
Paper condition in cassette
Wear or damage of rolls and gears in
feeder
Paper dust or foreign substances in paper
path
REGI sensor replacing condition
Main drive ASSY replacing condition
Replace the parts
concerned
Go to step [2]
2
Checking REGI sensor
Does REGI sensor function normally?
Using diagnostic tool, check by digital
input test.
Go to step [6] Go to step [3]