Brother 525cj,530cj,540cj,550cj,lw800ic,810ic(bl),840ic servicemanual free download

File name Brother 525cj,530cj,540cj,550cj,lw800ic,810ic(bl),840ic_servicemanual.pdf

R WORD PROCESSOR SERVICE MANUAL MODEL:DP-525CJ/DP-530CJ/DP-540CJ/DP-550CJ LW-800ic/LW-810ic/LW-810icBL/LW-840ic REVISED EDITION SERVICE MANUAL CONTENTS PART I THEORY OF OPERATION CHAPTER 1 MECHANICAL THEORY ... 1-1 1. Ink Jet Printer ... 1-1 1.1. Ink Jet Printer System Configuration ... 1-2 1.2. Ink Jet Operation ... 1-4 1.2.1. Paper Feed Mechanism... 1-4 1.2.2. Carriage Assembly ... 1-7 1.2.3. Carriage Motion Control... 1-10 1.2.4. Maintenance Station Operation... 1-11 1.2.4.1. Spitting ... 1-12 1.2.4.2. Wiping ... 1-13 1.2.4.3. Capping ... 1-14 1.2.4.4. Purging ... 1-14 1.2.5. Sensors ... 1-15 1.2.5.1. Carriage Home Position Sensor ... 1-15 1.2.5.2. PE Sensor ... 1-16 1.3. INK CHG (Ink Change) Functions... 1-17 1.3.1. Ink Cartridge Installation/Replacement ... 1-17 1.3.2. Automatic Print head Cleaning (Purging) ... 1-17 2. Keyboard... 1-18 CHAPTER 2 ELECTRICAL THEORY ... 2-1 1. System Configuration ...