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TABLE OF CONTENTS
I. GENERAL INFORMATION ........................................ 1
1 . 1 S p ec if i ca t io n s ............................................. 2
1.2 Options .................................................. 2
II. INSTALLATION ................................................. 3
2.1 Space Requirements........................................ 3
2 . 2 U np a ck in g ................................................ 5
2.3 Configuration.............................................. 8
2.4 Interface Cable Requirements ................................ 8
III. THEORY OF OPERATION ....................................... 10
3.1 System Block Diagram ..................................... 10
3.2 Electronics............................................... 10
3.2.1 AC/DC Power Distribution ................................... 10
3.2.2 DC Distribution Board ...................................... 10
3.2.3 Bus Board ............................................... 11
3.2.4 Microprocessor Board ...................................... 11
3.2.4.1 Microprocessor Design .................................. 11
3.2.4.2 Interface Data ......................................... 11
3.2.4.3 Paperfeed System ...................................... 11
3.2.4.4 Interlocks ............................................. 11
3.2.4.5 Drape Sensor.......................................... 12
3.2.4.6 Ribbon Drive .......................................... 12
3.2.4.7 Analog Design ......................................... 12
3.2.4.8 Hammer Protection Circuit................................ 13
3.2.5 Hammer Driver Board ...................................... 13
3.2.5.1 Hammer Circuit Design .................................. 13
3.2.5.2 Hammer Test Routine ................................... 13
3.2.5.3 Hammer Flight Time Routine .............................. 13
3.2.6 Operator's Panel .......................................... 14
3.2.7 Paper Puller Board ........................................ 14
3.3 Mechanics ............................................... 14
3.3.1 Paperfeed System......................................... 14
3.3.2 Ribbon System ........................................... 14
3.3.3 Paper Puller ............................................. 14
3.4 Character and Control Codes ................................ 15
3.4.1 Character Set Codes....................................... 15
3.4.2 Format Control Codes...................................... 15
IV. REPLACEMENT PROCEDURES .................................. 17
4.0 TOOLS REQUIRED ....................................... 17
4.1 Hammer Module .......................................... 18
4.2 Hammer backstop screw.................................... 19
4.3 Drum motor .............................................. 20
4.4 Paper Feed motor ......................................... 21
4.5 Ribbon increment motor .................................... 22
4.6 Ribbon takeup motor....................................... 23
4.7 Paper puller motor......................................... 24
4.8 Drum Belt ............................................... 25
4.9 Paper feed belts .......................................... 26
4.10 Ribbon increment belt ...................................... 27
Mantenimiento Periféricos Informáticos SL C/Canteras, 15 28860 Paracuellos de Jarama Tel: 00 34 917481604 WEB: https://mpi.com.es
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