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Brother FAX-921 User Manual

Page 40

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CONTENTS

1. DISASSEMBLY/REASSEMBLY ............................................................................... IV-1

n Safety Precautions .................................................................................................. IV-1

Tightening Torque List ............................................................................................ IV-2

n Preparation.............................................................................................................. IV-3

n How to Access the Object Component ................................................................... IV-3

n Disassembly Order Flow ......................................................................................... IV-4

1.1 ROM Cover, Battery ASSY* and Ribbon Shaft Stopper ..................................... IV-5

1.2 Control Panel ASSY............................................................................................ IV-7

1.3 Panel Rear Cover and Control Panel ................................................................. IV-9

1.4 LF Roller ASSY and CIS Unit ............................................................................. IV-14

1.5 Head Protector, Recording Head ASSY, Head Adjuster, and Recorder

Frame ................................................................................................................. IV-18

1.6 Recording Paper Cover ASSY and Paper Guides* ............................................ IV-22

1.7 Lock Levers, Chute B ASSY, Gears, Paper Ejection Roller, Paper Feed

Roller ASSY, Pressure Plate, Paper Feed Chute and Other Components on
the Platen Frame ................................................................................................ IV-23

1.8 Cover Stopper and Platen Frame ASSY ............................................................ IV-34

1.9 Bottom Plate ....................................................................................................... IV-36

1.10 Power Supply PCB, Main PCB, and NCU PCB .................................................. IV-37

1.11 Speaker, PC I/F Modular ASSY, and Ribbon Shaft Stopper Spring................... IV-40

1.12 Drive Unit, Motor, and Main-Head Harness........................................................ IV-41

1.13 Panel-lock Leaf Springs...................................................................................... IV-42

1.14 Cover Sensor Actuators and Pinch Roller .......................................................... IV-43

1.15 Document Rear Sensor Actuator, Separation Roller, and Ribbon Sensor

Actuator .............................................................................................................. IV-44

1.16 Handset Mount,* Hook Switch PCB,* and Dummy Mount** ............................... IV-45

1.17 Harness Routing ................................................................................................. IV-46

2. LUBRICATION ..........................................................................................................

IV

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[ 1 ] Control panel ASSY.................................................................................... IV-47

[ 2 ] LF roller ASSY ............................................................................................ IV-49

[ 3 ] Platen frame ASSY..................................................................................... IV-49

[ 4 ] Separation roller and main frame ............................................................... IV-51

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