V-15
003-340 Firmware Error FIP
Remedy
Step Check
Yes No
1
Does the error still happen even after
powering Off and On was done?
Go to step [2]
End of work
2
Check whether the value of NVM is
correct.
Is the value of NVM correct?
Replace MCU
HL-4200
Correct the
value of NVM.
003-356 NV-RAM Error FIP
Remedy
Step Check
Yes No
1
Does the error still happen even after
powering Off and On was done?
Go to step [2]
End of work
2
Remove following components once, and
reinstall them correctly.
Print head cartridge ASSY
FUSER ASSY
PWBA EEPROM
MCU HL-4200
Does the error still happen even after
powering Off and On was done?
Go to step [3]
End of work
3
Replace print head cartridge ASSY.
Does the error still happen even after
powering Off and On was done?
Go to step [4]
End of work
4
Replace FUSER ASSY.
Does the error still happen even after
powering Off and On was done?
Go to step [5]
End of work
5
Replace PWBA EEPROM.
Does the error still happen even after
powering Off and On was done?
Replace MCU
HL-4200
End of work
006-370 Scanner Failure FIP
Remedy
Step Check
Yes No
1
Checking harness ASSY scanner KA for
continuity
Is J15<=>P151 continuous normally?
Replace scanner
ASSY
Replace
harness ASSY
scanner KA
009-340 CTD Sensor Error FIP
Remedy
Step Check
Yes No
1
Initial setting
Check the following for evidence of fault.
ADC sensor ASSY replacing condition
Replace the parts
concerned
Go to step [2]
2
Checking harness ASSY CTD for
continuity
Is J136<=>J1361 continuous normally?
Go to step [3]
Replace
harness ASSY
CTD
3
Checking harness ASSY front 1A for
continuity
Is J13<=>P1361 continuous normally?
Go to step [4]
Replace
harness ASSY
front 1A
4
Checking ADC sensor ASSY
Check if an error occurs though the ADC
sensor ASSY was replaced with a new
one.
Replace MCU
HL-4200
End of work
Summary of Contents for HL-4200CN
Page 21: ...CHAPTER I SPECIFICATIONS ...
Page 42: ...CHAPTER II INSTALLATION ...
Page 54: ...II 11 12 Close the front cover Fig 2 27 ...
Page 62: ...CHAPTER III STRUCTURE OF SYSTEM COMPONENTS ...
Page 115: ...CHAPTER IV ASSEMBLY DISASSEMBLY ...
Page 167: ... IV 49 Black Fig 4 88 Holder toner cartridge ASSY 4 ...
Page 204: ...CHAPTER V TROUBLESHOOTING ...
Page 280: ...V 74 10 4 Straightness Fig 5 16 10 5 Magnification Error Fig 5 17 10 6 Registration Fig 5 18 ...
Page 281: ...V 75 10 7 Guaranteed Printing Area Fig 5 19 ...
Page 297: ...CHAPTER VI DIAGRAMS ...
Page 341: ...CHAPTER VII PLUG JACK P J CONNECTOR LOCATIONS ...
Page 346: ...VII 4 2 P J LAYOUT DIAGRAM ...
Page 347: ...VII 5 ...
Page 348: ...VII 6 ...
Page 349: ...VII 7 ...
Page 350: ...APPENDIX ...