Brother DP-525CJ Service Manual page 8

SERVICE MANUAL
Figure Title
Fig. 1.1 Ink Jet Printer Assembly ....................................................................................... 1-1
Fig. 1.2 General View of Printing Mechanism .................................................................... 1-3
Fig. 1.3A Paper Feed Mechanism........................................................................................ 1-4
Fig. 1.3B Paper Feed Mechanism........................................................................................ 1-5
Fig. 1.4 Paper Eject System .............................................................................................. 1-5
Fig. 1.5 Paper Setting System........................................................................................... 1-6
Fig. 1.6 Printer Flat Cable to Main PCB ............................................................................. 1-7
Fig. 1.7 Printer Flat Cable to Cartridge Alignment .............................................................. 1-8
Fig. 1.8 Ink Jet Cartridge to Flat Cable Alignment.............................................................. 1-9
Fig. 1.9 Carriage Motion Control...................................................................................... 1-10
Fig. 1.10 Print Maintenance Operation - Spitting................................................................ 1-12
Fig. 1.11 Print Maintenance Operation - Wiping................................................................. 1-13
Fig. 1.12 Print Maintenance Operation - Capping .............................................................. 1-14
Fig. 1.13 Carriage Home Position Sensor.......................................................................... 1-15
Fig. 1.14 PE Sensor Mechanism ....................................................................................... 1-16
Fig. 1.15 Keyboard Assembly............................................................................................ 1-18
Fig. 1.16 Key Top/Key Stem Assembly ............................................................................. 1-19
Fig. 1.17 LCD Unit Installation in the Upper Cover............................................................. 1-21
Fig. 1.18 LCD of DP-525CJ/LW-800ic ............................................................................... 1-22
Fig. 1.19 LCD of DP-530CJ/LW-810ic and LW-810icBL .................................................... 1-23
Fig. 1.20 LCD of DP-540CJ, DP-550CJ/LW-840ic ............................................................. 1-24
Fig. 2.1 Major Electronic Component Parts........................................................................ 2-2
Fig. 2.2 Power Supply Circuit ............................................................................................ 2-4
Fig. 2.3 Timing Chart of +24V Generation Circuit............................................................... 2-5
Fig. 2.4 Timing Chart of +5V Generation Circuit ................................................................ 2-5
Fig. 2.5 Reset Circuit......................................................................................................... 2-6
Fig. 2.6 Buzzer Drive Circuit.............................................................................................. 2-8
Fig. 2.7 Country & Model Specification Change-over Circuit .............................................. 2-9
Fig. 2.8 RS-232C I/F Circuit ............................................................................................ 2-10
Fig. 2.9 Ink Jet Head Drive Circuit ................................................................................... 2-11
FIGURES
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