
Rev CSATO M-8400RV SERVICE MANUAL
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Table Of Contents
SECTION 5. MECHANICAL ADJUSTMENTS Page
Overview .............................................................................................5-1 73
Ribbon Clutch Adjustments ..............................................................5-2 74
Ribbon Guide Plate Adjustment........................................................5-3 77
Print Head Position Alignment..........................................................5-4 78
Print Head Balance Adjustment ........................................................5-5 79
Print Head Pressure Check................................................................5-6 80
Feed Roller Adjustment (Label Tracking).........................................5-7 81
Pitch Sensor Modification for Sensing “R-Corner”Notch Tags.....5-8 83
Timing Belt Tension Adjustment.......................................................5-9 84
SECTION 6. REPLACEMENT PROCEDURES
Overview .............................................................................................6-1 85
Replacing Fuses.................................................................................6-2 86
Replacing the Print Head...................................................................6-3 88
Replacing the Main Circuit Board .....................................................6-4 90
Replacing the Power Supply .............................................................6-5 92
Replacing the Label Pitch Sensor Assembly ...................................6-6 94
Replacing the Label Out Sensor Assembly......................................6-7 97
Replacing the Ribbon Motion Sensor...............................................6-8 99
Replacing the Ribbon Drive Clutch Washers...................................6-9 101
Replacing the Timing Belts................................................................6-10 104
Replacing the Platen ..........................................................................6-11 106
Replacing the Stepper Motor.............................................................6-12 109
Replacing the LC Display and Keyboard PCB Display....................6-13 111
SECTION 7. FACTORY RESETS
Overview .............................................................................................7-1 113
Resetting the Printer (Test Print).......................................................7-2 114
EE Prom Clear All...............................................................................7-3 115
Clear Counter Heads..........................................................................7-4 116
Clear Cutter Counter ..........................................................................7-5 117
SECTION 8. TROUBLESHOOTING
Overview .............................................................................................8-1 119
Initial Checklist...................................................................................8-2 120
Troubleshooting the Centronics (Parallel) Interface........................8-3 120
Troubleshooting the RS232C (Serial) Interface................................8-4 122
Error Signals.......................................................................................8-5 123
Troubleshooting Tables.....................................................................8-6 124
Head Pattern Examples......................................................................8-7 128
SECTION 9. OPTIONS
Overview .............................................................................................9-1 131
Memory Card ......................................................................................9-2 132
Label Dispenser Unit..........................................................................9-3 137
Label Rewinder Unit...........................................................................9-4 140
Label Cutter Unit.................................................................................9-5 142
Calendar..............................................................................................9-6 147