Brother HL-1260E User manual

SERVICE MANUAL
MODEL:HL-1260e/1660
R
LASER PRINTER

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CONTENTS
CHAPTER IGENERAL
1.FEATURES.......................................................................................Refer to HL-1260 (P.I-1)
2.SPECIFICATIONS..............................................................................................................I-1
3.SAFETYINFORMATION...................................................................................................I-6
3.1 Laser Safety (110 - 120V Model only)......................................................................I-6
3.2 CDRH Regulations (110 - 120V Model only)............................................................I-6
3.3 Additional Information..............................................................................................I-7
4.PARTS OF THE PRINTER...............................................................Refer to HL-1260 (P.I-8)
4.1 External Views.......................................................................Refer to HL-1260 (P.I-8)
4.2 Cross Sectional View.............................................................Refer to HL-1260 (P.I-9)
5.STORAGE AND HANDLING OF EP-ED CARTRIDGES................Refer to HL-1260 (P.I-10)
5.1 Storage of Sealed EP-ED Cartridges...................................Refer to HL-1260 (P.I-10)
5.2 Storage of Unsealed EP-ED Cartridges...............................Refer to HL-1260 (P.I-10)
CHAPTER II THEORY OF OPERATION
1.BASIC OPERATIONS.......................................................................................................II-1
1.1 Mechanical Configuration.......................................................Refer to HL-1260 (P.II-1)
1.2 Main Drive..............................................................................Refer to HL-1260 (P.II-2)
1.3 Basic Sequence of Operations................................................................................II-1
2.LASER/SCANNER SYSTEM...........................................................Refer to HL-1260 (P.II-4)
3.IMAGE FORMATION SYSTEM........................................................Refer to HL-1260 (P.II-5)
3.1 Outline....................................................................................Refer to HL-1260 (P.II-5)
3.2 Printing Process....................................................................Refer to HL-1260 (P.II-5)
3.2.1 Electrostatic latent image formation stage..............Refer to HL-1260 (P.II-6)
3.2.2 Developing stage....................................................Refer to HL-1260 (P.II-8)
3.2.3 Transfer stage.........................................................Refer to HL-1260 (P.II-9)
3.2.4 Fixing stage..........................................................Refer to HL-1260 (P.II-10)
3.2.5 Drum cleaning stage.............................................Refer to HL-1260 (P.II-10)
3.3 Operation.............................................................................Refer to HL-1260 (P.II-11)
4.PAPER PICK-UP/FEED SYSTEM....................................................................................II-2
4.1 Outline.................................................................................Refer to HL-1260 (P.II-12)
4.2 Cassette Feed.........................................................................................................II-2
4.3 MPTray Feed..........................................................................................................II-3
4.4 Paper Jam Detection...............................................................................................II-4

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-6
2.PAPER FEED DRIVE CIRCUIT.....................................................Refer to HL-1260 (P.III-9)
3.DISPLAYCIRCUIT.......................................................................Refer to HL-1260 (P.III-11)
3.1 Outline................................................................................Refer to HL-1260 (P.III-11)
3.2 Operation...........................................................................Refer to HL-1260 (P.III-11)
4.LOW-VOLTAGE POWER SUPPLYASSY.....................................Refer to HL-1260 (P.III-12)
4.1 Outline................................................................................Refer to HL-1260 (P.III-12)
4.2 Protection Functions..........................................................Refer to HL-1260 (P.III-12)
5.HIGH-VOLTAGE POWER SUPPLYASSY....................................Refer to HL-1260 (P.III-14)
5.1 Outline................................................................................Refer to HL-1260 (P.III-14)
5.2 Operation of the Components of the High-Voltage Power SupplyAssy........................
...........................................................................................Refer to HL-1260 (P.III-14)
CHAPTER IV MECHANICAL SYSTEM
PRINTER DISASSEMBLING PROCEDURE.............................................Refer to HL-1260 (P.IV-2)
1.1 Configuration........................................................................Refer to HL-1260 (P.IV-3)
1.2 Toner Cartridge Lid.................................................................................................IV-2
1.3 Side Cover L........................................................................Refer to HL-1260 (P.IV-3)
1.4 Font CoverAssy...................................................................Refer to HL-1260 (P.IV-4)
1.5 Upper Cover Assy, Rear Cover Assy....................................Refer to HL-1260 (P.IV-4)
1.5.1 Upper cover assy, rear cover assy.........................Refer to HL-1260 (P.IV-4)
1.5.2 Changeover guide, jam remove cover...................Refer to HL-1260 (P.IV-5)
1.6 Side Cover R........................................................................Refer to HL-1260 (P.IV-5)
1.7 DC Fan Motor........................................................................................................IV-2
1.8 Main PCB...............................................................................................................IV-3
1.9 Control Panel Unit................................................................Refer to HL-1260 (P.IV-8)
1.10Scanner Unit..........................................................................................................IV-5
1.11Cartridge StopperAssy..........................................................................................IV-5
1.12Paper Feed Chassis Unit...................................................Refer to HL-1260 (P.IV-10)
1.13Separation PadAssy..........................................................Refer to HL-1260 (P.IV-11)
1.14MPPE Sub Actuator..........................................................Refer to HL-1260 (P.IV-12)
1.15PFeed /Size-SW PCBAssy...............................................Refer to HL-1260 (P.IV-12)
1.16Size-Switch Spring.............................................................Refer to HL-1260 (P.IV-12)
1.17Regist Sensor Actuator......................................................Refer to HL-1260 (P.IV-13)
1.18MPPaper Detection Actuator.............................................Refer to HL-1260 (P.IV-13)
1.19PE Sensor Actuator MP.....................................................Refer to HL-1260 (P.IV-13)
1.20Tray Sensor Holder............................................................Refer to HL-1260 (P.IV-14)
1.21Roller Holder......................................................................Refer to HL-1260 (P.IV-14)
1.22Paper Pick-up Roller Assy, Bearing....................................Refer to HL-1260 (P.IV-15)
1.23Paper Pick-up Solenoid......................................................Refer to HL-1260 (P.IV-16)
1.24Paper Feed Motor Assy......................................................Refer to HL-1260 (P.IV-16)
1.25MPTray Cover...................................................................Refer to HL-1260 (P.IV-17)
1.26MPTray Assy.....................................................................Refer to HL-1260 (P.IV-17)
1.27Paper Path Separation Plate, Paper Path Separation FilmRefer to HL-1260 (P.IV-18)
1.28Latch..................................................................................Refer to HL-1260 (P.IV-19)
1.29Fixing Unit (for both 120V and 230V, the only difference is the halogen heater).........
...........................................................................................Refer to HL-1260 (P.IV-19)
1.30Transfer Unit......................................................................Refer to HL-1260 (P.IV-22)
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1.31DC Gear Holder Assy.............................................................................................IV-6
1.31.1 Scanner Fan Motor..................................................................................IV-6
1.32PS Switch Wire, Remote Switch........................................Refer to HL-1260 (P.IV-23)
1.33High-Voltage Power Supply PCB Assy...............................Refer to HL-1260 (P.IV-24)
1.34Low-Voltage Power Supply PCB Assy...............................Refer to HL-1260 (P.IV-24)
1.35Toner Cartridge (EP-ED Cartridge)....................................Refer to HL-1260 (P.IV-25)
1.36Paper Tray.............................................................................................................IV-7
CHAPTER VMAINTENANCE AND SERVICING
1.PERIODICALREPLACEMENT PARTS..........................................Refer to HL-1260 (P.V-1)
2.CONSUMABLE PARTS STANDARD ENDURANCE TABLE............................................V-1
3.LIST OF STANDARD TOOLS.........................................................Refer to HL-1260 (P.V-2)
4.LIST OF LUBRICANTS AND CLEANERS......................................Refer to HL-1260 (P.V-3)
CHAPTER VI TROUBLESHOOTING
1.INTRODUCTION............................................................................Refer to HL-1260 (P.VI-1)
1.1 Initial Check..........................................................................Refer to HL-1260 (P.VI-1)
1.2 Basic Procedure...................................................................Refer to HL-1260 (P.VI-2)
2.TEST PRINTING AND MECHANICALCHECK..............................Refer to HL-1260 (P.VI-2)
2.1 Test Printing.........................................................................Refer to HL-1260 (P.VI-2)
3.IMAGE DEFECTS..........................................................................Refer to HL-1260 (P.VI-3)
3.1 Image Defect Examples.......................................................Refer to HL-1260 (P.VI-3)
3.2 Troubleshooting Image Defects...........................................Refer to HL-1260 (P.VI-4)
4.TROUBLESHOOTING OF MALFUNCTIONS..................................................................VI-1
5.TROUBLESHOOTING PAPER TRANSPORT PROBLEMS.........Refer to HL-1260 (P.VI-19)
5.1 Paper Jams........................................................................Refer to HL-1260 (P.VI-19)
5.2 Incomplete Paper Feed......................................................Refer to HL-1260 (P.VI-22)
6.OPERATION................................................................................Refer to HL-1260 (P.VI-23)
6.1 Line Inspection Mode Procedure.......................................Refer to HL-1260 (P.VI-23)
6.2DRAM Test.........................................................................Refer to HL-1260 (P.VI-25)
7.STATUS MESSAGE LIST................................................................................................VI-9
APPENDICES
1.Engine Block Diagram.......................................................................................................A-1
2.Paper Feed/Size-SW PCB Circuitry Diagram (1/1)...........................Refer to HL-1260 (P.A-2)
3.Main PCB Circuitry Diagram (1/7).....................................................................................A-2
4.Main PCB Circuitry Diagram (2/7).....................................................................................A-3
5.Main PCB Circuitry Diagram (3/7).....................................................................................A-4
6.Main PCB Circuitry Diagram (4/7).....................................................................................A-5
7.Main PCB Circuitry Diagram (5/7).....................................................................................A-6
8.Main PCB Circuitry Diagram (6/7).....................................................................................A-7
9.Main PCB Circuitry Diagram (7/7).....................................................................................A-8
10. Control Panel PCB Circuitry Diagram (1/1)....................................Refer to HL-1260 (P.A-11)
11.Scanner LD PCB Circuitry Diagram (1/1)..........................................................................A-9