HL-3450CN SERVICE MANUAL
6-31
(2) Holding the handle located on the top
of the drum cleaner, push it
backwards.
(3) Remove the drum cleaner by lifting it
out. (Fig.6-25)
Fig. 6-26
(4) Clean the area where the drum cleaner
is mounted. (Fig.6-26)
(5) Install a new drum cleaner into the
printer.
Fig. 6-27
CAUTION
When installing the drum cleaner, be sure to put it into the printer correctly, indicated by a
click.
Sequence of Assembling
(1) Install the cleaner cover.
(2) Close the top cover.
(3) Press the power button to turn on the printer.
(4) Upon completion of the warming-up process.
(5) Press any of the Menu buttons (+, -, Set or Back) to take the printer Off Line.
(6) Press + or – until “RESET MENU” appears.
(7) Press Set to proceed to the next menu level, and then press + or – until “PARTS LIFE”
appears.
(8) Press Set, and then press + until “240K KIT” appears.
(9) Press Set, and then press Go. The printer is now in the READY state.
Drum cleaner
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 ...