HL-3450CN SERVICE MANUAL
4-9
1.4.1
Structure of the printer
No. Component
Part
Process
1 Charger
Charging
2 Scanner
Unit
Exposing
3 Toner
cartridge
Developing
4
OPC belt cartridge
Receives the Image
5
Transfer drum
Transfers the Image
6
Erase lamp
Discharges the Belt
7
Cleaning blade
Cleaning the Belt
8 Transfer
roller
Transferring
9
Paper discharger
Discharges the Paper
10
Drum cleaner
Cleans the Drum
11 Fusing
unit
Fusing
12
Paper exit unit
Exits the Paper
Fig. 4-8
11. Fusing unit
10. Drum cleaner
4. OPC belt cartridge
3. Toner cartridge
(K, Y, M, C)
2. Scanner Unit
Media cassette
1. Charger
7. Cleaning
blade
6. Erase lamp
Paper pick-up roller
5. Transfer drum
8. Transfer roller
9. Paper discharger
Transfer
unit
12. Paper exit unit
Summary of Contents for HL-3450CN Series
Page 15: ...HL 3450CN SERVICE MANUAL xiii 3 Rating Label For US For Europe 4 Operation Label 5 Jam Label ...
Page 17: ...HL 3450CN SERVICE MANUAL CHAPTER 1 PRODUCT OUTLINE ...
Page 27: ...HL 3450CN SERVICE MANUAL CHAPTER 2 SPECIFICATIONS ...
Page 39: ...CHAPTER 3 INSTALLATION ...
Page 54: ...HL 3450CN SERVICE MANUAL CHAPTER 4 STRUCTURE OF SYSTEM COMPONENTS ...
Page 104: ...HL 3450CN SERVICE MANUAL 4 51 Main PCB Circuit Diagram 1 8 CODE B512137CIR 1 8 LJ8907001 NAME ...
Page 106: ...HL 3450CN SERVICE MANUAL 4 53 Main PCB Circuit Diagram 3 8 CODE B512137CIR 3 8 LJ8907001 NAME ...
Page 108: ...HL 3450CN SERVICE MANUAL 4 55 Main PCB Circuit Diagram 5 8 CODE B512137CIR 5 8 LJ8907001 NAME ...
Page 110: ...HL 3450CN SERVICE MANUAL 4 57 Main PCB Circuit Diagram 7 8 CODE B512137CIR 7 8 LJ8907001 NAME ...
Page 126: ...HL 3450CN SERVICE MANUAL CHAPTER 5 CONTROL PANEL OPERATION ...
Page 173: ...HL 3450CN SERVICE MANUAL CHAPTER 6 PERIODIC MAINTENANCE ...
Page 208: ...CHAPTER 7 DISASSEMBLY RE ASSEMBLY ...
Page 264: ...HL 3450CN SERVICE MANUAL CHAPTER 8 TROUBLESHOOTING ...
Page 310: ...HL 3450CN SERVICE MANUAL 8 47 5 IMAGE FAILURE 1 2 3 4 5 6 7 8 9 a 9 b 10 11 12 13 14 ...
Page 311: ...CHAPTER 8 TROUBLESHOOTING 8 48 15 a 15 b 16 17 18 19 20 21 22 23 24 25 26 27 28 244m m 29 ...