ENCAD CADJET 2 Service Manual page 20

Table of Contents
CHAPTER 1 GENERAL INFORMATION
Number Title
Figure 1.1 Front View -- Cover Closed................................................................ 1-10
Figure 1.2 Front View -- Cover Open .................................................................. 1-11
Figure 1.3 Back View .......................................................................................... 1-12
Figure 1.4 Line Length Accuracy ........................................................................ 1-14
Figure 1.5 Skew .................................................................................................. 1-15
CHAPTER 2 THEORY OF OPERATION
Number Title
Figure 2.1 Major Functional Areas of the Plotter .................................................. 2-5
Figure 2.2 Gate Array ......................................................................................... 2-12
Figure 2.3 Stepper Motor .................................................................................... 2-14
Figure 2.4 Servo Motor ....................................................................................... 2-15
Figure 2.5 Parallel and Serial Ports .................................................................... 2-16
Figure 2.6 Keypad Display.................................................................................. 2-17
Figure 2.7 Carriage Circuits ................................................................................ 2-18
CHAPTER 4 TROUBLESHOOTING
Number Title
Figure 4.1 LED Keys........................................................................................... 4-18
Figure 4.2 LCD Keypad ...................................................................................... 4-19
Figure 4.3 Parallel and Serial Loop Back Tests .................................................. 4-30
Figure 4.4 Tri-Color Cartridge Flex ..................................................................... 4-46
Figure 4.5 Sample of Black Cartridge Diagnostics Test...................................... 4-50
Figure 4.6 Black Cartridge Failure Test Setups .................................................. 4-51
Figure 4.7 Black Cartridge Flex Dimple Pattern .................................................. 4-53
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F I G U R E S
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CADJET 2