Brother HL-1260 - Manual (Page 5)

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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