1
OEP-3 V1 (UC)
Table of Contents
1. Operating Instructions
2. Service Information
2-1. Main Parts Location ....................................................................................2-1
2-1-1. Main Block Location..................................................................2-1
2-1-2. Board Location ...........................................................................2-1
2-2. Removal and Installation of Cabinet...........................................................2-2
2-2-1. Top Cover...................................................................................2-2
2-2-2. Front Panel Assembly ................................................................2-2
2-2-3. Rear Panel Assembly .................................................................2-3
2-3. Replacement of Main Parts .........................................................................2-3
2-3-1. Replacement of VPR-63 Board..................................................2-3
2-3-2. Replacement of SY-282 Board .................................................. 2-4
2-3-3. Replacement of IF-764 and IF-767 Boards................................ 2-4
2-3-4. Replacement of DC Fans (1) ...................................................... 2-5
2-3-5. Replacement of Switching Regulator.........................................2-6
2-3-6. Replacement of PRT-13 Board ..................................................2-6
2-3-7. Replacement of Thermal Head...................................................2-7
2-3-8. Replacement of Mechanical Block ............................................ 2-8
2-3-9. Replacement of SE-539 Board ...................................................2-8
2-3-10. Replacement of Tray Motor .......................................................2-9
2-3-11. Replacement of Ribbon Take-Up Motor....................................2-9
2-3-12. Replacement of Ribbon Supply Motor .................................... 2-10
2-3-13. Replacement of Stepping Motor ..............................................2-10
2-3-14. Replacement of Head Motor ....................................................2-11
2-3-15. Replacement of Paper Feed Assembly.....................................2-11
2-3-16. Replacement of Paper Feed Motor...........................................2-12
3. Electrical Alignment and Mechanical Alignment
3-1. Electrical Adjustment ..................................................................................3-1
3-1-1. Output of Test Pattern (Internal Signal) in Service Mode .........3-1
3-1-2. Density Adjustment During Thermal Head Replacement .........3-3
3-1-3. Electrical Adjustment (Analog Video Block) ............................3-4
3-2. Mechanical Adjustment ..............................................................................3-8
3-2-1. Mechanical Adjustment Mode ...................................................3-8
3-2-2. Entering the Mechanical Adjustment Mode ..............................3-8
3-2-3. Normal Operation Check and Automatic Adjustment ...............3-9