Service manual

V-34
CRUM ID Error FIP (Print Head Cartridge)
Remedy
Step Check
Yes No
1
Check the following for failure:
Installation of toner cartridge
Installation of PWB CRUM reader
Reinstall the
appropriate
part
Go to step [2]
2
Check connection of PWB CRUM reader.
Is the PWB CRUM reader connector
properly connected to the harness
connector?
Go to step [3]
Replace
harness ASSY
3
Check continuity of harness ASSY RFID2
(J341-3411).
Is continuity proper between
J341<=>J3411?
Go to step [4]
Replace
harness ASSY
4
Check continuity of harness ASSY RFID
(J34-3411).
Is continuity proper between
P3411<=>J34?
Go to step [5]
Replace
harness ASSY
5
Check Toner Cartridge.
Has error occurred after installing the new
toner cartridge?
Replace MCU
HL-4200
End of work
CTD Sensor Dustiness FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
Transfer roll cartridge ASSY replacing
condition
ADC sensor ASSY replacing condition
Replace the parts
concerned
Go to step [2]
2
Checking harness ASSY CTD for
connection
Is the harness ASSY CTD connected to
the ADC sensor ASSY normally?
Go to step [3]
Replace the
parts
concerned
3
Checking harness ASSY CTD for
continuity
Is J136<=>J1361 continuous normally?
Go to step [4]
Replace
harness ASSY
CTD
4
Checking harness ASSY front 1A for
continuity
Is P1361<=>J13 continuous normally?
Go to step [5]
Replace
harness ASSY
front 1A
5
Checking harness ASSY CTD for signal
Is P/J1361-1PIN<=>P/J1361-3PIN 0VDC?
Replace ADC
sensor ASSY
Replace MCU
HL-4200