03/10 Rev. 5.04-04 SERVICE MANUAL Service Mechanics
64-xx – 64-xx Dispenser
Service Mechanics
General Notes................................................3
Safety Instructions...................................... 3
Special key combinations........................... 4
Serial numbers........................................... 4
Factory settings.......................................... 5
Service data ............................................... 5
Housing..........................................................6
Important instructions................................. 6
Overview of housing parts.......................... 6
Front hood.................................................. 6
Rear hood ..................................................7
Left front housing........................................8
Right front housing.....................................9
Right lower housing.................................... 9
Cutter cover................................................ 9
Plug cover .................................................. 9
Material unwinder......................................... 10
Servicing the unwinder............................. 10
Adjusting the unwinders brake torque...... 11
Tension arm ............................................. 12
Bearing bushes ........................................ 12
Ribbon transport unit.................................... 13
Important notes ........................................ 13
Ribbon unwinding mandrel (type 1).......... 15
Ribbon unwinding mandrel (type 2).......... 17
Ribbon unwinding mandrel (type 3).......... 20
Ribbon rewinding mandrel (type 1) .......... 22
Ribbon rewinding mandrel (type 2) .......... 23
Ribbon rewinding mandrel (type 3) .......... 25
Setting the ribbon zero line ......................27
Setting the braking torque........................27
Ribbon core brake.................................... 30
Ribbon guide............................................30
Ribbon transport roller.............................. 31
Ribbon end sensor...................................32
Removing the complete print module ..........33
Construction of the print module .............. 33
Disassembly of the print module .............. 33
Feed unit.......................................................35
Construction of the feed unit.....................35
Feed rollers...............................................35
Contact roller unit......................................37
Material guide ...........................................38
Material end sensor ..................................39
Punch sensor............................................40
Printhead ......................................................41
General information about the printhead ..41
Overview printhead settings......................42
Replacing the printhead............................43
Printhead adjustment....................................44
Setting the head aperture .........................44
Adjusting the printhead position................46
Adjusting the print head contact pressure.47
Adjusting the printhead voltage.................48
Print head lift mechanic ................................49
Print head sensor......................................49
Print head motor .......................................50
Contact pressure lever..............................50
Connections and electrics ............................51
Important instructions................................51
Power Supply............................................52
Motor / Sensor Cable harness ..................54
Cable harness D-Sub connector...............55
Cover switch .............................................58
Overview of the sensors...............................59
Boards (Gen. 2)............................................60
Important information about boards..........60
CPU board ................................................60
Motor driver board.....................................62
Operating panel ........................................63
Boards (Gen. 3)............................................64
Operation panel ........................................64
CPU board ................................................65
Motor output stage boards........................67
I/O board...................................................69
Centronics board.......................................70
USI board..................................................71
Locking clips for flat strap plugs................72
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