Brother International HL-1260 Service Manual - Page 5

CHAPTER III ELECTRICAL SYSTEM 1. MAIN PCB ...III-1 1.1 Outline ...III-1 1.2 Video Controller Circuit III-2 1.3 Engine Controller Circuit III-7 2. PAPER FEED DRIVE CIRCUIT III-9 3. DISPLAY CIRCUIT ...III-11 3.1 Outline ...III-11 3.2 Operation ...III-11 4. LOW-VOLTAGE POWER SUPPLY ASSY III-12 4.1 Outline ...III-12 4.2 Protection Functions III-12 5. HIGH-VOLTAGE POWER SUPPLY ASSY III-14 5.1 Outline ...III-14 5.2 Operation of the Components of the High-Voltage Power Supply Assy III-14 CHAPTER IV MECHANICAL SYSTEM PRINTER DISASSEMBLING PROCEDURE PRINTER BODY 1.1 Configuration ...IV-3 1.2 Toner Cartridge Lid IV-3 1.3 Side Cover L ...IV-3 1.4 Font Cover Assy ...IV-4 1.5 Upper Cover Assy, Rear Cover Assy IV-4 1.5.1 Upper cover assy, rear cover assy IV-4 1.5.2 Changeover guide, jam remove cover IV-5 1.6 Side Cover R ...IV-5 1.7 DC Fan Motor ...IV-6 1.8 Main PCB ...IV-6 1.9 Control Panel Unit IV-8 1.10 Scanner Unit ...IV-9 1.11 Cartridge Stopper Assy IV-9 1.12 Paper Feed Chassis Unit IV-10 1.13 Separation Pad Assy IV-11 1.14 MP PE Sub Actuator IV-12 1.15 P Feed /Size-SW PCB Assy IV-12 1.16 Side-Switch Spring IV-12 1.17 Regist Sensor Actuator IV-13 1.18 MP Paper Detection Actuator IV-13 1.19 PE Sensor Actuator MP IV-13 1.20 Tray Sensor Holder IV-14 1.21 Roller Holder ...IV-14 1.22 Paper Pick-up Roller Assy, Bearing IV-15 1.23 Paper Pick-up Solenoid IV-16 1.24 Paper Feed Motor Assy IV-16 1.25 MP Tray Cover ...IV-17 1.26 MP Tray Assy ...IV-17 1.27 Paper Path Separation Plate, Paper Path Separation Film IV-18 1.28 Latch ...IV-19 1.29 Fixing Unit (for both 120V and 230V, the only difference is the halogen heater) . IV-19 1.30 Transfer Unit ...IV-22 ii