Brother HL-3450CN Replacing the Fusing Unit

CHAPTER 5 MAINTENANCE

5-23

Replacing the Fusing Unit

1. Press the Power button to turn off the printer. Unplug the printer. To avoid

injury, wait until the printer has cooled down sufficiently before replacing

the Fusing Unit.

2. Open the Top Cover.

3. Unscrew the two long screws as

shown to release the Fusing unit

from the printer.

Fig. 5-19

Note

Please wait for 30 minutes after installing a new Fusing Unit to allow

the oil to circulate completely through to the Heat Roller. If you begin

using a new Fusing Unit immediately, poor print quality may result.

4. Remove the Fusing Unit from the

printer by holding the handles on

both sides.

Fig. 5-20

Contents

Main H H HL L L- ENERGY STAR is a U.S. registered mark. Page Page Page Page Page Page CHAPTER 4 CONTROL PANEL OPERATION CHAPTER 5 MAINTENANCE CHAPTER 6 OPTIONS CHAPTER 7 TROUBLE SHOOTING Page Page Industry Canada Compliance Statement (For Canada Only) Declaration of Conformity (For Europe) Radio Interference (220-240 V Model Only) International ENERGY STAR Compliance Statement Laser Notices Laser Safety (120 V Model Only) FDA Regulations (For 120 V Model Only) IEC 60825 Specification (220 - 240 V Model Only) Safety Information IMPORTANT - For Your Safety Opmerking / Oplaadbare Batterij Recycle Informatie (For Netherlands Only) Geruschemission / Acoustic Noise Emission (For Germany Only) Wiring Information (For U.K. only) Page Page AB R C ER TE Page G G G V V F 2400 DPI Class Resolution High Speed and Color Laser Printing Color Advanced Photoscale Technology (CAPT) Maintenance-Free and Economical Toner Cartridge Universal Paper Cassette Three Interfaces Automatic Interface Selection Five Emulation Modes Automatic Emulation Selection Data Compression Technology Various Fonts CCITT G3/G4 Panel Lock Function Power Save Mode Toner Save Mode Reprint Function PANTONE Calibrated Network Page Page Environment Rear Front Page Page Page Advanced Tab 1. PRINT QUALITY DUPLEX WATERMARK PAGE SETUP DEVICE OP TIONS 1. Page Accessories Tab 1. 2. 3. Support Tab Page Paper Tab Page Device Options Tab 1. 2. JOB SPOOLING BRAdmin Professional Storage Manager Analysis Tool Software Driver Deployment Wizard W W M Apple LaserWriter 8 Driver PostScript Printer Description Files (PPDs) Installing the Printer Driver for Macintosh FOR NETWORK USERS Page Page Page Page Page Page Page THE OPTIONAL A4/LETTER CASSETTE THE OPTIONAL DUPLEX UNIT (DX-3400) Page Page Printable Area Using Transparencies Using Envelopes 1. 2. 3. 4. 5. Page Page F M F Page Page S NS ON TO TT Page Page R Reprinting the Last JOB Reprint the last JOB 3 times 1. 2. Printing PROOF Data Printing PUBLIC Data Printing SECURE Data Operations for Printing SECURE Data Page Page B S DS ED LE L Page Page S Page Page Page INFORMATION PAPER QUALITY SETUP SETUP (Continued) PRINT MENU Page Page Page PRINT MENU (Continued) NETWORK (Network Users Only) INTERFACE RESET MENU Set Date and time Set IP Address About Emulation Modes Page List of Factory Settings Page Page Page Page Page Page LCD Operator Call message Consumable Life How to to Replace Approximate Replace Order No. Page T C Toner Nearly Empty Message Replacing the Toner Cartridges 1. 2. 3. 4. 5. Page O B Oil Bottle Low Message Oil Bottle Empty Message Page Replacing the Oil Bottle Page F C Fuser Cleaner Message Replacing the Fuser Cleaner 1. 2. 3. Page W W W T Waste Toner Pack Full Message 1. 2. 3. 4. 5. Page Replacing the OPC Belt Cartridge Page O F Ozone Filter Replacing the Ozone Filter F U Fusing Unit Replacing the Fusing Unit 1. 2. 3. 4. 5. 6. 7. Page 16. Page Paper Discharger ! Replacing the Paper Discharger 1. 2. 3. Page Replacing the Drum Cleaner 1. 2. 3. 4. Page Replacing the Transfer Roller 1. 2. 3. 4. 5. 6. 7. 8. 9. Page Page P C Page H R Page ) H P L) H H T T U U 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Page Page Page 4. 5. 6. Page Page Page Page 1. 2. 3. 4. 5. Page F Page Page Page D DI M MM IM 2. ! 3. Caution 4. Page Page G E NG IN TI Page Page M C Page Page J J Paper Jam Note How to Clear a Paper Jam in the Printer PAPER JAM AT PAPER EXIT 1. 2. 3. PAPER JAM AT FUSING ROLLER INSIDE THE PRINTER ! Warning Page PAPER JAM IN THE PAPER CASSETTE 1. 2. 3. 4. ! Caution How to Clear a Paper Jam in the Duplex Unit PAPER JAM IN THE LOWER ASSEMBLY OF THE DUPLEX UNIT 1. 2. 3. 4. PAPER JAM IN THE FUSING UNIT WITH THE DUPLEX UNIT INSTALLED 1. 2. Page Page A H U A & U H Page Q Q 10C (50F) Page Page If the same problem re-occurs, contact your dealer or Brother Authorized Service Representative. Caution Page Page F E Page Page A AP P PE E ER R R 1. 2. 3. Paper Types to Avoid 1. 2. 3. 4. 5. E L L L T O Page Page Page Page Page Page S I S I I Page S O , F 1 S F *These symbol sets are variations of the Roman-8 symbol set. INDEX 1 2 A B P Q R S