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Avantra 36/44 Service Manual
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Functional Analysis
2.11 Spot Generation Module
The Spot Generation Module (SGM) is a field replaceable unit that mounts to the car-
riage assembly. Figure 2-7 illustrates the SGM. The SGM produces a focused laser
spot of the proper size, shape and position.
The SGM consists of a base on which the following mount:
•
Laser diode module
•
Polarizer/sensor
•
Spot size changer/sensor
•
Spot forming lens
•
Weak/focus lens/sensor
•
Beam compression motor/sensor
Figure 2-7 Spot generation module.
➀
–Polarizer sensor.
➁
–Beam compressor motor.
➂
–Beam compression sensor.
➃
–Weak lens motor.
➄
–Spot size changer.
➅
–Spot forming lens.
➆
–Laser diode mount .
➇
–Polarizer wheel and motor.
➈
–Focus sensor.
➉
–Spot size sensor.
11
–Aperture wheel motor.
12
–SGM base.
The following sections describe each of these submodules in detail.
5
2
1
4
8
9
6
11
7
12
3
10
Summary of Contents for Avantra 36/44
Page 1: ...The Avantra 36 44 Service Manual Part Number 580078 0002 ...
Page 24: ...Section I Imagesetter ...
Page 282: ...Section II Bridge ...
Page 327: ...Section III Buffer ...
Page 359: ...Section IV On line Processor ...
Page 462: ...Avantra 36 44 Service Manual B 2 Spare Parts Avantra 36 44 OLP Parts ...
Page 464: ...Avantra 36 44 Service Manual B 4 Spare Parts Avantra 36 44 OLP Parts ...
Page 466: ...Avantra 36 44 Service Manual B 6 Spare Parts Avantra 36 44 OLP Cassette Parts ...
Page 468: ...Avantra 36 44 Service Manual B 8 Spare Parts Avantra 36 44 OLP Feed Rack Parts ...
Page 470: ...Avantra 36 44 Service Manual B 10 Spare Parts Avantra 36 44 OLP Tank Parts ...
Page 472: ...Avantra 36 44 Service Manual B 12 Spare Parts Avantra 36 44 OLP Right Side View Parts ...
Page 474: ...Avantra 36 44 Service Manual B 14 Spare Parts Avantra 36 44 OLP Control Panel Parts ...
Page 476: ...Avantra 36 44 Service Manual B 16 Spare Parts Avantra 36 44 OLP Rack Spare Parts ...
Page 478: ...Avantra 36 44 Service Manual B 18 Spare Parts Avantra 36 44 OLP Dryer Spare Parts 18 ...
Page 480: ...Avantra 36 44 Service Manual B 20 Spare Parts Electronics upper Spare Parts ...
Page 482: ...Avantra 36 44 Service Manual B 22 Spare Parts Electronics lower Spare Parts ...
Page 484: ...C 1 Appendix C Wiring Diagrams ...
Page 491: ...Section V Crane ...