V-1
CHAPTER V TROUBLESHOOTING
1. PREFACE
1.1
Troubleshooting Procedure
The troubleshooting procedure can roughly be divided into two:
Level 1 troubleshooting
The level 1 FIP isolates the presence of various troubles including fail codes.
Level 2 Troubleshooting
Level 2 troubleshooting is a procedure in which troubles are classified by FIP, BSD or fail
codes list.
1.2
Notes on Troubleshooting
•
When replacing parts, check in advance that the connectors are connected securely.
•
When replacing parts, turn the power off.
•
If there are several troubles, you may refer to the same FIP again. Note that the
judgment may differ in the middle even when the FIP is identical.
WARNING
When the power is on, do not touch the parts listed below. You may receive an electrical
shock.
•
HVPS
•
LVPS
WARNING
When the power is on, do not remove drum cartridge. An invisible laser beam may
damage your eye.
WARNING
Heat roll and pressure roll, and their peripheries become very hot. Do not touch when
they are still hot. You may get burnt.
Содержание HL-4000CN
Страница 22: ...CHAPTER I SPECIFICATIONS ...
Страница 52: ...CHAPTER II INSTALLATION ...
Страница 76: ...CHAPTER III STRUCTURE OF SYSTEM COMPONENTS ...
Страница 112: ...III 34 5 7 2 Reference diagram Transfer Roll Cartridge UNIT ASSY FUSER ASSY Exit Sensor FAN FUSER Fig 3 40 ...
Страница 129: ...CHAPTER IV ASSEMBLY DISASSEMBLY ...
Страница 132: ...2 5 21 Roll ASSY IV 74 2 5 22 Cassette ASSY front IV 74 2 5 23 Holder retard IV 75 ...
Страница 208: ...CHAPTER V TROUBLESHOOTING ...
Страница 280: ...V 70 9 IMAGE QUALITY SPECIFICATIONS 9 1 Parallelism Fig 5 10 9 2 Diagonal Fig 5 11 9 3 Skew Fig 5 12 ...
Страница 281: ...V 71 9 4 Straightness Fig 5 13 9 5 Magnification Error Fig 5 14 9 6 Registration Fig 5 15 ...
Страница 282: ...V 72 9 7 Guaranteed Printing Area Fig 5 16 ...
Страница 295: ...CHAPTER VI 5 06 ...
Страница 336: ...CHAPTER VII 3 8 3 211 725 2 7 216 ...
Страница 341: ...VII 4 P J LAYOUT DIAGRAM 2 1 IOT Top ...
Страница 342: ...VII 5 2 2 IOT Front RH ...
Страница 343: ...VII 6 2 3 MCU and HVPS PWB ESS PWB ...
Страница 344: ...VII 7 2 4 Tray1 ...
Страница 345: ...VII 8 2 5 2 Tray Module ...