Table of Contents
Fan Assembly, Card Cage .......................................................... 148
Fan Assembly, Hammer Bank..................................................... 149
Hammer Spring Assembly........................................................... 150
Magnetic Pickup (MPU) Assembly.............................................. 154
Memory Modules and Security PAL............................................ 155
Paper Feed Motor ....................................................................... 158
Paper Ironer ................................................................................ 160
Paper Path .................................................................................. 161
Platen .......................................................................................... 162
Platen Open Motor ...................................................................... 166
Power Supply Board ................................................................... 168
Resistors, Terminating ................................................................ 169
Ribbon Drive Motor ..................................................................... 171
Ribbon Guide Assembly (L/R)..................................................... 172
Ribbon Hub ................................................................................. 173
Shaft, Splined.............................................................................. 174
Shaft, Support ............................................................................. 176
Shuttle Frame Assembly ............................................................. 177
Spring, Extension, Hammer Bank ............................................... 179
Switch Assembly, Paper Detector............................................... 180
Switch Assembly, Platen Interlock .............................................. 181
Tractor (L/R)................................................................................ 182
Section II: Illustrated Parts Lists ........................................................ 183
Illustrations of Printer Components ............................................. 183
7 Principles of Operation ..................................... 215
Line Matrix Printing............................................................................ 215
Printing Mechanism ........................................................................... 218
Shuttle Frame Assembly ............................................................. 218
Paper Transport System ............................................................. 220
Ribbon Transport System............................................................ 221
Logical Control of the Printer ............................................................. 222
Control Panel..................................................................................... 223
CMX Controller Board........................................................................ 224
Data Controller............................................................................ 226
Engine Controller ........................................................................ 229
Power Supply Board.......................................................................... 230
AC Power .................................................................................... 230
DC Power.................................................................................... 231
Printer Interface ................................................................................. 231
Graphics ............................................................................................ 232
A Wire Data ......................................................... 233
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