V-19
Step Check
Remedy
Step
9
Checking fuser motor
Does fuser motor function normally?
Using fuser motor diagnostic tool, check
by digital output test.
Replace MCU
HL-4200
Go to step [10]
10 Checking PWBA HBN DRV for signal
Is P/J52-1PIN<=>P/J60-2PIN +24VDC?
Go to step [11]
Replace PWBA
HBN DRV
11
Checking harness ASSY DRV 1 for
continuity
Check the following for continuity.
J11-12PIN<=>J41-29PIN
J11-13PIN<=>J41-28PIN
J11-14PIN<=>J41-27PIN
J11-15PIN<=>J41-26PIN
J11-16PIN<=>J41-25PIN
Go to step [12]
Replace
harness ASSY
DRV 1
12
Checking fuser motor
Replace a new fuser motor, and check if
the fuser motor rotates when printing 1
sheet.
End of work
Replace MCU
HL-4200
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 ...