Oki OKIPOS 80 Plus III Maintenance Manual page 6

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Maintenance Manual
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Operating the Keypad ............................................................................................................15
Status LED ................................................................................................................16
Buttons ......................................................................................................................16
Testing the Printer..................................................................................................................17
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Precautions for Disassembly..................................................................................................21
Necessary Tools ........................................................................................................21
Disconnecting the Power Cord ..............................................................................................22
Disconnecting the Communication Cable................................................................24
Disconnecting the Cash Drawer Cables...................................................................25
Removing the Cover Assembly .............................................................................................26
Removing the Outer Housing ................................................................................................27
Disassemble the Platen ..........................................................................................................29
Disassemble the Cover...........................................................................................................30
Replacing the Print Head .......................................................................................................32
Replacing the Cutter ..............................................................................................................35
Removing the Controller Board Assembly............................................................................36
Replacing the Stepper Motors................................................................................................38
Replacing the Sensors and Keyboard Assembly ...................................................................39
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Unpacking the Printer ............................................................................................................44
Printer Assembly....................................................................................................................46
Cover and Platen ....................................................................................................................48
Print Head...............................................................................................................................49
Cutter ......................................................................................................................................50
Controller Board.....................................................................................................................51
Motors and Switches..............................................................................................................53
Switch Wiring Detail..............................................................................................................55
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