Brother HL-4200CN, Руководство по обслуживанию

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V-18
Remedy
Step Check
Yes No
11
Checking harness ASSY DRV 2-2 for
continuity
Check the following for continuity.
J12-5PIN<=>J42-26PIN
J12-6PIN<=>J42-25PIN
J12-7PIN<=>J42-24PIN
J12-8PIN<=>J42-23PIN
J12-29PIN<=>J42-2PIN
Go to step [12]
Replace
harness ASSY
DRV2-2
12
Checking DUP motor
Check if an error occurs though the
motor was replaced with a new one.
Replace MCU
HL-4200
End of work
13
Dose the exit roll rotate smoothly by
hand? Check the sheets
for gear or skew
Check the
gears for
foreign
substances
Fuser JAM FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
Sensor exit actuator replacing condition
Fuser ASSY replacing condition
Front cover replacing condition
Chute DUP in replacing condition
Transfer roll cartridge ASSY replacing
condition
Print head cartridge ASSY replacing
condition
Replace the parts
concerned
Go to step [2]
2
Checking fuser ASSY connector
Remove the fuser ASSY connector, and
check for broken or curved pins.
With tool
Go to step [3]
Without tool
Go to step [4]
Replace the
parts
concerned
3
Checking sensor exit
Does sensor exit function normally?
Using sensor exit diagnostic tool, check
by
digital input test.
Go to step [9]
Go to step [4]
4
Checking harness FSR2 for signal
Push the paper in the fuser ASSY
Is P/J138-3PIN<=>P/J138-2PIN 0VDC?
Go to step [6] Go to step [5]
5
Checking harness FSR3 for continuity
Is J232<=>J138 continuous normally? Go to step [6]
Replace
harness ASSY
FSR3
6
Checking harness ASSY front 1A for
continuity
Is P138<=>J13 continuous normally?
Go to step [7]
Replace
harness ASSY
Front 1A
7
Checking fuser ASSY
Check if an error occurs though the
fuser ASSY was replaced with a new one.
Go to step [9] End of work
8
Checking fuser motor for operation
Does the fuser motor run when printing 1
sheet?
Check the gears
for meshing
With tool
Go to step [9]
Without tool
Go to step [10]