V-35
CRUM ID Error FIP
Remedy
Step Check
Yes No
1
Check the following for evidence of fault.
Print head cartridge ASSY replacing
condition
PWBA CRUM in print head cartridge
ASSY replacing condition
Replace the parts
concerned
Go to step [2]
2
Checking PWBA CRUM for connection
Is PWBA CRUM connector connected to
the harness connector normally?
Go to step [3]
Replace
harness ASSY
CRUM
3
Checking harness ASSY CRUM for
continuity
Is J170<=>J71 continuous normally?
Go to step [4]
Replace
harness ASSY
CRUM
4
Checking harness ASSY EEPROM for
continuity
Is P71<=>J140 continuous normally?
Go to step [5]
Replace
harness ASSY
EEPROM
5
Checking print head cartridge ASSY
Check if an error occurs though the print
head cartridge ASSY was replaced with a
new one.
Replace MCU and
HVPS PWB
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
and HVPS
PWB
Summary of Contents for HL-4000CN
Page 22: ...CHAPTER I SPECIFICATIONS ...
Page 52: ...CHAPTER II INSTALLATION ...
Page 76: ...CHAPTER III STRUCTURE OF SYSTEM COMPONENTS ...
Page 129: ...CHAPTER IV ASSEMBLY DISASSEMBLY ...
Page 132: ...2 5 21 Roll ASSY IV 74 2 5 22 Cassette ASSY front IV 74 2 5 23 Holder retard IV 75 ...
Page 208: ...CHAPTER V TROUBLESHOOTING ...
Page 281: ...V 71 9 4 Straightness Fig 5 13 9 5 Magnification Error Fig 5 14 9 6 Registration Fig 5 15 ...
Page 282: ...V 72 9 7 Guaranteed Printing Area Fig 5 16 ...
Page 295: ...CHAPTER VI 5 06 ...
Page 336: ...CHAPTER VII 3 8 3 211 725 2 7 216 ...
Page 341: ...VII 4 P J LAYOUT DIAGRAM 2 1 IOT Top ...
Page 342: ...VII 5 2 2 IOT Front RH ...
Page 343: ...VII 6 2 3 MCU and HVPS PWB ESS PWB ...
Page 344: ...VII 7 2 4 Tray1 ...
Page 345: ...VII 8 2 5 2 Tray Module ...