
Rev C
SATO M-8400RV SERVICE MANUAL
ii
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