Service manual

Avantra 36/44 Service Manual
vi Table of Contents
Chapter 4: Imagesetter Component Removal/Replacement
Procedures
Introduction....................................................................................................4-1
Covers.............................................................................................................4-3
Right/Left Side Covers................................................................................4-3
Top, Middle and Bottom Front Panels......................................................4-5
Electronic Enclosure Cover........................................................................4-8
Media Transport Removal/Replacement Procedures...................................4-9
Take-up Light Shield ..................................................................................4-9
Outer Take-up Drive (Nip) Assembly.......................................................4-10
Inner Take-up Drive (Nip) Assembly........................................................4-11
Inner Take-up Drive (Nip) Motor..............................................................4-14
Take-up Jam Sensor ...................................................................................4-16
Take-up Punch Assembly ..........................................................................4-18
Cutter Assembly..........................................................................................4-20
Cutter Motor................................................................................................4-22
Take-up Media Present Detector...............................................................4-23
Supply Jam and Media Present Sensors....................................................4-24
Electrical Removal/Replacement Procedures...............................................4-25
Digital Engine Controller (DEC) PCB........................................................4-25
Carriage Sensor Driver (CSDM) PCB.........................................................4-28
Operator Control Panel Assembly.............................................................4-30
The Supply and Take-Up Sensor Driver Modules PCB (SDMs) ..............4-32
Power Supply .............................................................................................4-34
Main Power Switch.....................................................................................4-36
Exhaust Fan ................................................................................................4-38
Intake Fan...................................................................................................4-39
Carriage Drive Removal/Replacement Procedures......................................4-40
Carriage Transfer Tool Installation ............................................................4-40
Carriage Assembly......................................................................................4-42
Opto-mechanical Removal/Replacement Procedures..................................4-45
Light Shields (Right and Left).....................................................................4-45
Spin Motor Module (SMM).........................................................................4-47
Spot Generation Module (SGM)................................................................4-49
Spot Size Sensor.........................................................................................4-50
Polarizer Sensor..........................................................................................4-51
Beam Compressor Motor...........................................................................4-52