Brother HL-3450cn Parts Manual free download

File name Brother HL-3450cn Parts Manual.pdf

Brother Color Laser Printer PARTS REFERENCE LIST MODEL: HL-3450CN Read this list thoroughly before maintenance work. Keep this list in a convenient place for quick and easy reference at all times. January, 2002 PL-PRN033 NOTE FOR USING THIS PARTS REFERENCE LIST 1. In the case of ordering parts, it needs mentioning the following items: (1) Code (2) Q'ty (3) Description (4) Symbol ( PCB / PWB No., Revision , and Parts location mounted on the PCB / PWB.) Note : No orders without Parts Code or Tool No. can be accepted. < Example > (1) (2) (3) (4) REF.NO. CODE Q'TY DESCRIPTION SYMBOL REMARK Revision No.: marked on the main printed circuit board. B48K056 - 201A Design change indication Specification No . Pattern alteration No. Circuit board No. Revision No.: marked on the power supply PCB. Rev: 0B Design change indication 2. Design-changed parts : If the parts are changed, any one of the following symbols is indicated in the REMARKS column. #A : compatible between old and new #B : replaceable from old to new #D : incompatible # : newly established 3. The original of this list was made based on the information available in January, 2002. 4. Parts are subject to change in design without prior notice. TABLE OF CONTENTS 1. DRIVE... 1 2. FRAME ... 3 3. LASER UNIT... 5 4. MEDIA CASSETTE ... 5 5. TRANSFER UNIT ... 7 6. PAPER EXIT UNIT ... 7 7. FUSING UNIT... 9 8. MAIN PCB ... 9 9. COVER ... 11 10. MCTL PWB... 13 11. IOD PWB ... 13 12. LOW-VOLTAGE POWER SUPPLY UNIT .