CHAPTER ; III ; ELECTRICAL SYSTEM- Page 3

CHAPTER  

III 

ELECTRICAL SYSTEM

1. MAIN PCB ........................................................................................................................

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1.1 Outline ....................................................................................................................

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1.2 Video Controller Circuit ..........................................................................................

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1.3 Engine Controller Circuit ........................................................................................

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2. PAPER FEED DRIVE CIRCUIT ..................................................... Refer to HL-1260 (P.

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3. DISPLAY CIRCUIT ....................................................................... Refer to HL-1260 (P.

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3.1 Outline ................................................................................ Refer to HL-1260 (P.

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3.2 Operation ........................................................................... Refer to HL-1260 (P.

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4. LOW-VOLTAGE POWER SUPPLY ASSY ..................................... Refer to HL-1260 (P.

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4.1 Outline ................................................................................ Refer to HL-1260 (P.

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4.2 Protection Functions .......................................................... Refer to HL-1260 (P.

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5. HIGH-VOLTAGE POWER SUPPLY ASSY .................................... Refer to HL-1260 (P.

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5.1 Outline ................................................................................ Refer to HL-1260 (P.

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5.2 Operation of the Components of the High-Voltage Power Supply Assy ........................

........................................................................................... Refer to HL-1260 (P.

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CHAPTER  

IV 

MECHANICAL SYSTEM

PRINTER DISASSEMBLING PROCEDURE ............................................. Refer to HL-1260 (P.

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1.1 Configuration ........................................................................ Refer to HL-1260 (P.

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1.2 Toner Cartridge Lid .................................................................................................

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1.3 Side Cover L ........................................................................ Refer to HL-1260 (P.

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1.4 Font Cover Assy ................................................................... Refer to HL-1260 (P.

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1.5 Upper Cover Assy, Rear Cover Assy .................................... Refer to HL-1260 (P.

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1.5.1 Upper cover assy, rear cover assy ......................... Refer to HL-1260 (P.

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1.5.2 Changeover guide, jam remove cover ................... Refer to HL-1260 (P.

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1.6 Side Cover R ........................................................................ Refer to HL-1260 (P.

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1.7 DC Fan Motor ........................................................................................................

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1.8 Main PCB ...............................................................................................................

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1.9 Control Panel Unit ................................................................ Refer to HL-1260 (P.

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1.10 Scanner Unit ..........................................................................................................

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1.11

Cartridge Stopper Assy ..........................................................................................

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1.12 Paper Feed Chassis Unit ................................................... Refer to HL-1260 (P.

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1.13 Separation Pad Assy .......................................................... Refer to HL-1260 (P.

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1.14 MP PE Sub Actuator .......................................................... Refer to HL-1260 (P.

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1.15 P Feed /Size-SW PCB Assy ............................................... Refer to HL-1260 (P.

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1.16 Size-Switch Spring ............................................................. Refer to HL-1260 (P.

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1.17 Regist Sensor Actuator ...................................................... Refer to HL-1260 (P.

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1.18 MP Paper Detection Actuator ............................................. Refer to HL-1260 (P.

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1.19 PE Sensor Actuator MP ..................................................... Refer to HL-1260 (P.

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1.20 Tray Sensor Holder ............................................................ Refer to HL-1260 (P.

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1.21 Roller Holder ...................................................................... Refer to HL-1260 (P.

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1.22 Paper Pick-up Roller Assy, Bearing .................................... Refer to HL-1260 (P.

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1.23 Paper Pick-up Solenoid ...................................................... Refer to HL-1260 (P.

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1.24 Paper Feed Motor Assy ...................................................... Refer to HL-1260 (P.

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1.25 MP Tray Cover ................................................................... Refer to HL-1260 (P.

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1.26 MP Tray Assy ..................................................................... Refer to HL-1260 (P.

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1.27 Paper Path Separation Plate, Paper Path Separation Film Refer to HL-1260 (P.

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1.28 Latch .................................................................................. Refer to HL-1260 (P.

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1.29 Fixing Unit (for both 120V and 230V, the only difference is the halogen heater) .........

........................................................................................... Refer to HL-1260 (P.

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1.30 Transfer Unit ...................................................................... Refer to HL-1260 (P.

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