10
Table of Contents
Diagnostic Printer Tests..................................................................... 114
Selecting And Running Diagnostic Printer Tests ........................ 115
Boot Diagnostics Menu...................................................................... 118
Hex Code Printout ............................................................................. 121
How To Print A Hex Dump .......................................................... 122
ASCII Character Set.......................................................................... 123
Soft vs. Hard Reset............................................................................ 124
The Power On Sequence .................................................................. 125
Controller Board Handshake Sequences.................................... 125
DC Software Initialization And Power Up.................................... 129
4 Adjustment and Test Procedures ..................... 131
Introduction........................................................................................ 131
Adjustments and Tests................................................................ 131
Preparing The Printer For Maintenance ............................................ 132
Returning The Printer To Normal Operation...................................... 133
Belt, Paper Feed Timing, Adjustment................................................ 134
Belt, Platen Open, Adjustment........................................................... 136
Paper Scale Alignment ...................................................................... 138
Platen Gap Adjustment...................................................................... 140
Ribbon Guide Alignment.................................................................... 142
Paper Out Adjustment ....................................................................... 144
Hammer Phasing Adjustment............................................................ 148
Loading Flash Memory ...................................................................... 150
Loading Through The Serial Or Parallel Port.............................. 150
Loading Through the Network Interface Card (NIC) ................... 154
Coil Temperature Adjustment............................................................ 156
Dynamic Paper Tension Adjustment ................................................. 157
Tractor Belt Tension Adjustment ....................................................... 159
Shuttle Electrical Short Check ........................................................... 160
Hammer Bank Power Cable Shorts Test........................................... 161
Cable Shorts Test.............................................................................. 162
Main Wire Harness Test Diagnostic .................................................. 164