Service manual

V-37
Tray2 Paper Near Empty FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
Tray2 low paper sensor replacing
condition
Sensor actuator replacing condition
Replace the parts
concerned
Go to step [2]
2
Does the error occur even if the paper is
added?
With tool
Go to step [3]
Without tool
Go to step [4]
End of work
3
Checking tray2 low paper sensor
Does tray2 low paper sensor function
normally?
Tray2 low paper sensor using diagnostic
tool, check by digital input test.
Replace MCU
HL-4200
Go to step [4]
4
Checking PWBA OPTFDR for signal
Is P/J82-10 PIN <=>P/J82-9 +3.3VDC?
Go to step [7] Go to step [5]
5
Checking PWBA OPTFDR for signal
Is P/J81-18 PIN <=>P/J81-23 +3.3VDC?
Replace PWBA
OPTFDR
Go to step [6]
6
Harness ASSY OPFPLG/ harness ASSY
Checking OPFREC/ harness ASSY
OPFMAIN for continuity
Check the following for continuity.
J81-18PIN<=>J810-A9PIN<=>J210-
B9PIN<=>J21-9PIN
Replace MCU
HL-4200
Replace PWBA
OPTFDR
Replace
harness ASSY
which is not
continuous
7
Checking PWBA OPTFDR for signal
Is P/J82-8PIN<=>P/J82-9 +5VDC?
Replace tray2
low paper sensor
Replace PWBA
OPTFDR
Tray3 Paper Near Empty FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
Tray3 low paper sensor replacing
condition
Sensor actuator replacing condition
Replace the parts
concerned
Go to step [2]
2
Does the error occur even if the paper is
added?
With tool
Go to step [3]
Without tool
Go to step [4]
End of work
3
Checking tray3 low paper sensor
Does tray3 low paper sensor function
normally?
Tray3 low paper sensor using diagnostic
tool, check by digital input test.
Replace MCU
HL-4200
Go to step [4]
4
Checking PWBA OPTFDR for signal
Is P/J83-10 PIN <=>P/J83-9 +3.3VDC?
Go to step [7] Go to step [5]
5
Checking PWBA OPTFDR for signal
Is P/J81-17 PIN <=>P/J81-23 +3.3VDC?
Replace feeder
PWBA HBN DRV
Go to step [6]
6
Harness ASSY OPFPLG/ harness ASSY
Checking OPFREC/ harness ASSY
OPFMAIN for continuity
Check the following for continuity.
J81-17PIN<=>J810-A10PIN<=>J210-
B10PIN<=>J21-10PIN
Replace MCU
HL-4200
Replace PWBA
OPTFDR
Replace
harness ASSY
which is not
continuous
7
Checking PWBA OPTFDR for signal
Is P/J83-8PIN<=>P/J83-9 +5VDC?
Replace tray3
low paper sensor
Replace PWBA
OPTFDR