ii
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