Before Starting Disassembly - Brother HL-4000CN Service Manual

CHAPTER IV ASSEMBLY / DISASSEMBLY ................................ IV-1

1. BEFORE STARTING DISASSEMBLY........................................................

1.1 Precautions ......................................................................................................................IV-1
1.2 Fuser ASSY Removal ......................................................................................................IV-2
1.3 Transfer ASSY Removal ..................................................................................................IV-3
1.4 Controller Board Removal ................................................................................................IV-4
1.5 Description of Procedures ................................................................................................IV-5
2. DISASSEMBLY PROCEDURE...................................................................IV-6
2.1 Cover of the Printer ..........................................................................................................IV-6
2.1.1 Cover ASSY front head .............................................................................................IV-6
2.1.2 Console panel............................................................................................................IV-7
2.1.3 Fan fuser....................................................................................................................IV-8
2.1.4 Cover MSI..................................................................................................................IV-9
2.1.5 Tray ASSY base ........................................................................................................IV-9
2.1.6 Cover ASSY front L .................................................................................................IV-10
2.1.7 Cover ASSY front R.................................................................................................IV-11
2.1.8 Cover top main ........................................................................................................IV-12
2.1.9 Cover side L.............................................................................................................IV-13
2.1.10 Cover ASSY top print head cartridge.....................................................................IV-13
2.1.11 Cover side R ..........................................................................................................IV-14
2.1.12 Cover rear..............................................................................................................IV-14
2.1.13 Link: L ....................................................................................................................IV-15
2.1.14 Link: R....................................................................................................................IV-15
2.2 Front of the Printer .........................................................................................................IV-16
2.2.1 Chute ASSY out.......................................................................................................IV-16
2.2.2 Actuator full..............................................................................................................IV-18
2.2.3 Sensor photo: full stack ...........................................................................................IV-18
2.2.4 Actuator DUP...........................................................................................................IV-19
2.2.5 Sensor photo: DUP..................................................................................................IV-20
2.2.6 Actuator MSI ............................................................................................................IV-20
2.2.7 Sensor photo: MSI ...................................................................................................IV-21
2.2.8 Bracket ASSY eliminator .........................................................................................IV-21
2.2.9 Roll DUP ..................................................................................................................IV-22
2.2.10 Latch out ................................................................................................................IV-22
2.2.11 Roll ASSY feed ......................................................................................................IV-23
2.2.12 Solenoid feed MSI .................................................................................................IV-23
2.2.13 Shaft ASSY roll feed ..............................................................................................IV-24
2.2.14 Plate ASSY bottom MSI.........................................................................................IV-25
2.2.15 Chute ASSY exit ....................................................................................................IV-26
2.2.16 Roll exit ..................................................................................................................IV-27
2.2.17 Roll MID .................................................................................................................IV-28
2.2.18 Motor ASSY DUP...................................................................................................IV-29
2.2.19 Holder ASSY CTD .................................................................................................IV-29
2.2.20 Sensor TNR full .....................................................................................................IV-30
2.2.21 Latch R ..................................................................................................................IV-30
2.2.22 Latch L ...................................................................................................................IV-31
2.2.23 Fuser drive ASSY ..................................................................................................IV-31
CONTENTS
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IV