Commodore MPS-801 - Table of Contents

CONTENTS
Title Page
SPECIFICATIONS .................................................................................................. 1
BLOCK DIAGRAM .....
............................................................................................ 2
FLOWCHARTS
MAIN FLOWCHART ..................................................................................... 3
HAMMER DRIVE
FLOWCHART·...................................................................... 4
LINE
FEED FLOWCHART ...... .... ................................... ................................. 5
PRINTING METHOD
........ ................. .... .......................... ................................. ....... 6
THEORY
OF OPERATION
INITIALIZING SEQUENCE
....... ...................................... .... ............................. 7
START
OF PRINTING OPERATION ......................... ........................................ 8
PRINTING OPERATION
................................................................................. 9
CARRIER RETURN OPERATION
..................................................................... 10
SERVICE PRECAUTIONS. .................................. ..................................................... 10
SELF TEST ........................................................................................................... 10
CLEANING ............................................................................................................ 11
LUBRICATION ....................................................................................................... 11
TROUBLESHOOTING GUIDE ............ ..... .............................. ... ........ ......................... 12
WIRING DIAGRAM ......... .................. ......................... ............... ............................. 15
CONNECTOR NOTES ........ ... .............. ......... .................. ...... ................................... 16
TRANSFORMER PCB ASSEMBLY
PARTS
....................................................................................................... 17
SCHEMATIC
............................................................................................... 18
MAIN LOGIC PCB ASSEMBLY
PARTS
....................................................................................................... 19
SCHEMATIC ............................................................................................... 21
MECHANICAL ADJUSTMENTS
GUIDE PILLAR INSTALLATION ...................................................................... 22
PRINT HEAD POSITION ADJUSTMENT ....................... ......... .......... ................ 23
DOT SENSOR UNIT ADJUSTMENT ........................ .............. .......................... 24
ROTATION DETECTOR ADJUSTMENT ........................................................... 25
CASEWORK - MECHANICAL ASSEMBLIES
DESCRIPTION AND PARTS LIST
SECTION 1 (CASEWORK/POWER SUPPLY)
.................. .......... ................ 26
SECTION 2 (PRINT HEAD/RIBBON FEED/CARRIER) ................................. 27
SECTION 3 (PLATEN/GROUND PLATES) ............................................... 28
SECTION 4 (TRACTOR) ....................................................................... 28
SECTION 5 (GEARS/SENSORS/MOTORS) .............................................. 29
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