Brother HL-1850, 1870n Parts Manual free download

File name Brother HL-1850, 1870n Parts Manual.pdf

Brother Laser Printer PARTS REFERENCE LIST MODEL: HL-1850/1870N 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-PRN031 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 No., Revision , and Parts location mounted on the PCB.) Note : No orders without Parts Code or Tool No. can be accepted. < Example > (1) (2) (3) (4) REF.NO. CODE QTY 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 printed circuit board. Rev. A Design change indication (The first version has no sign.) 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 2001. 4. Parts are subject to change in design without prior notice. CONTENTS 1. FRAME / DRIVE UNIT ... 1 2. LASER UNIT ... 1 3. PAPER FEEDER / MP UNIT ... 3 4. DUPLEX ... 5 5. PAPER CASSETTE ... 7 6. FIXING UNIT... 9 7. COVERS... 11 8. MAIN PCB ... 13 9. ENGINE PCB... 15 10. LOW-VOLTAGE POWER SUPPLY PCB... 15 11. HIGH-VOLTAGE POWER SUPPLY PCB ... 17 12. AC CORDS...