SATO 9001226(A) Service Manual page 4

Table of Contents
Troubleshooting......................................................................................................... 5- 1
5.1 Error signal Troubleshooting ..........................................................................................5- 2
5.2 Troubleshooting Flowchart .............................................................................................5- 8
5.3 Interface Troubleshooting ............................................................................................5- 17
5.4 Test Print Troubleshooting ...........................................................................................5- 18
Adjustment Procedures ............................................................................................ 6- 1
6.1 Functional Structure of Main PCB ..................................................................................6- 2
6.2 Checking the Direct-Current Power Supply....................................................................6- 4
6.3 Counter Clear Mode .......................................................................................................6- 6
6.4 Counter Display Mode....................................................................................................6- 6
6.5 To perform Factory Test Print ........................................................................................6- 7
6.6 Adjusting Pitch Offset .....................................................................................................6- 7
6.7 Adjusting Cut Offset .......................................................................................................6- 9
6.8 Adjusting Backfeed Offset ............................................................................................6- 11
6.9 Adjusting and Checking Sensors .................................................................................6- 12
6.10 Adjusting Cutter Sensors............................................................................................6- 24
6.11 Sensor Checks ...........................................................................................................6- 32
6.12 Adjusting Print Darkness ............................................................................................6- 33
6.13 Adjusting LCD Brightness ..........................................................................................6- 34
6.14 Adjusting Factory Offset .............................................................................................6- 34
6.15 Calendar Setting ........................................................................................................6- 35
6.16 Adjusting Print Head Position.....................................................................................6- 36
6.17 Adjusting Feed Roller .................................................................................................6- 40
6.18 Adjusting Ribbon Tension ..........................................................................................6- 41
6.19 Adjusting Timing Belt Tension....................................................................................6- 43
6.20 Adjusting Cutter Motor Timing Belt Tension...............................................................6- 44
6.21 Adjusting Optional Stacker Motor Timing Belt Tension (ST-TG3)..............................6- 45
6.22 Adjusting Optional Stacker Timing Belt Tension (ST-TG3) ........................................6- 46
Replacement Procedures.......................................................................................... 7- 1
7.1 Removal of Housing cover .............................................................................................7- 2
7.2 Replacing Print Head .....................................................................................................7- 3
7.3 Replacing Platen Roller..................................................................................................7- 5
7.4 Replacing Feed Roller....................................................................................................7- 7
7.5 Replacing Ribbon Feed Roller, Oneway Clutch and Torque Limiter..............................7- 9
7.6 Replacing Torque Limiter (Ribbon Unwinder) ..............................................................7- 10
7.7 Replacing Torque Limiter (Ribbon Rewinder), Oneway Limiter and Oneway Clutch...7- 12
7.8 Replacing Timing Belt (Ribbon)....................................................................................7- 13
7.9 Replacing Timing Belt (Platen).....................................................................................7- 14
7.10 Replacing Stepper Motor............................................................................................7- 16
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TG3 Series Service Manual