Brother MFC-4820C Servicehandleiding - Pagina 4

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CHAPTER 6 DISASSEMBLY/REASSEMBLY

6.1

DISASSEMBLY/REASSEMBLY .....................................................................................6-1

Safety Precautions.......................................................................................................6-1

Tightening Torques...........................................................................................................6-2

Preparation ..................................................................................................................6-3

How to Access the Object Component ........................................................................6-3

Disassembly Flowchart................................................................................................6-4

6.1.1

Draining the Ink from the Ink Tubes

--This must be performed before removing the print head unit or engine unit-- ..6-5

6.1.2

Print Head Unit .....................................................................................................6-6

6.1.3

Bottom Plate, Main Insulation Sheet, and EMC Plates (USB and MJ) ..............6-13

6.1.4

Power Supply Insulation Sheet, Battery Cover (Rear Cover S), and

Backup Battery ...................................................................................................6-16

6.1.5

Rear Cover L, Enclosure Cover, Power Supply PCB, and NCU PCB ...............6-17

6.1.6

USB PCB, Main PCB, Modular PCB*, and Driver PCB .....................................6-19

6.1.7

Document Cover ................................................................................................6-23

6.1.8

Scanner Unit and Control Panel.........................................................................6-24

6.1.9

Upper Cover and ASF Cover R..........................................................................6-26

6.1.10 Media Module and Handset Mount (Side Cover)...............................................6-28

6.1.11 Speaker ..............................................................................................................6-29

6.1.12 Auto Sheet Feeder (ASF)...................................................................................6-30

6.1.13 Engine Unit and Purge Unit................................................................................6-33

6.1.14 Ink Cartridge Support Base, Ink Absorber Case, Ink Slot Cover, and

Air Pump & Motor Module ..................................................................................6-41

6.1.15 Routing of the Harnesses and Flat Cables ........................................................6-44

6.2

LONG-PERIOD STORAGE ...........................................................................................6-49

CONTENTS