Brother HL-730Plus Service Manual page 96

2.4.5 Cleaner Roller........................................................................... Refer to HL-730 (P.II-28)
2.4.6 Erase lamp .............................................................................. Refer to HL-730 (P.II-28)
2.5 Print Process ......................................................................................... Refer to HL-730 (P.II-28)
2.5.1 Charging ................................................................................... Refer to HL-730 (P.II-28)
2.5.2 Exposure stage......................................................................... Refer to HL-730 (P.II-29)
2.5.3 Developing................................................................................ Refer to HL-730 (P.II-30)
2.5.4 Transfer .................................................................................... Refer to HL-730 (P.II-30)
2.5.5 Drum Cleaning Stage ............................................................... Refer to HL-730 (P.II-31)
2.5.6 Erasing Stage ........................................................................... Refer to HL-730 (P.II-31)
CHAPTER III DISASSEMBLY AND REASSEMBLY ................................................. III-1
1. SAFETY PRECAUTIONS................................ ................................ ................................ ..III-1
2. DISASSEMBLING FLOW................................ ................................ ................................ ..III-2
3. DISASSEMBLING PROCEDURE ................................ ................................ ..................... III-3
3.1 Drum Unit.................................................................................................................................III-3
3.2 Top Cover ................................................................................................................................III-3
3.3 Multi-purpose Paper Tray Assy ..............................................................................................III-4
3.4 Fixing Unit ................................................................................................................................III-5
3.5 Scanner Unit ............................................................................................................................III-7
3.6 Main PCB Assy .......................................................................................................................III-7
3.7 Base Plate Assy.......................................................................................................................III-8
3.8 Panel sensor PCB Assy...........................................................................................................III-8
3.9 Low-voltage Power Supply PCB Assy .....................................................................................III-9
3.10 High-voltage Power Supply PCB Assy ....................................................................................III-9
3.11 Fan Motor.................................................................................................................................III-10
3.12 Drive Unit .................................................................................................................................III-10
3.13 Main Motor Assy and Motor Heat Sink ....................................................................................III-11
3.14 Gears and Solenoid ...............................................................................................................III-11
3.15 Tray Extension .......................................................................................................................III-12
3.16 Paper Eject Tray Assy ...........................................................................................................III-12
3.17 Core ......................................................................................................................................III-13
4. PACKING................................ ................................ ................................ ........................ III-14
CHAPTER IV TROUBLESHOOTING................................................................................IV-1
1. INTRODUCTION................................ ................................ ......... REFER TO HL-730 (P.IV-1)
1.1 Initial Check ............................................................................................ Refer to HL-730 (P.IV-1)
1.2 Basic Procedure ..................................................................................... Refer to HL-730 (P.IV-2)
2. IMAGE DEFECTS ................................ ................................ ....... REFER TO HL-730 (P.IV-3)
2.1 Image Defect Examples.......................................................................... Refer to HL-730 (P.IV-3)
2.2 Troubleshooting Image Defects.............................................................. Refer to HL-730 (P.IV-4)
3. TROUBLESHOOTING OF MALFUNCTIONS ................................ Refer to HL-730 (P.IV-12)
4. INSPECTION MODE................................ ................................ ................................ ........ IV-1
4.1 Incorporated Inspection Modes .............................................................................................. IV-1
4.2 Error codes ............................................................................................................................. IV-3
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