Star Micronics TUP400

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9. RS-422A Interface Board

9-1. Circuit Diagram

Contents

Main Page INTRODUCTION Page Page Page 1. General Specifications Page Page 6 Fig. 1-1-c External Dimensions (TUP482) 493 Unit : mm 120 7 Unit : mm Fig. 1-1-d External Dimensions (TUP482) Page Page 2. External Appearance Page 3. DIP-Switch Settings Baud 1-1 1-2 2400BPS OFF OFF DIP switch #2 (4 bits): 4. Print-Density Adjustment 5. Sensor Adjustment 6. HEX Dump Mode/Test Print 7. Changing the Interface Board CHAPTER 2 THEORY OF OPERATION Page 21 Fig. 2-1 Block Diagram 1. Block Diagram 24V (8) The following is the block diagram for this printer. (8) (1) Main Logic Board (2) Interface board (3) Near-end sensor board (4) RESUME Switch (5) Printer Mechanism 2. Main Logic Board 24 2-1-2. RS-422A Interface RS-422A Interface Board Main Logic Board CPU Gate Array Fig. 2-4 Parallel Interface 2-2. Editing and Printing Page 2-3. Feed-Motor Drive Circuit 2-4. Power-On Reset Circuit 2-5. +5V Line Voltage Detector Circuit 3. Printer Mechanism 3-1. Thermal Head 3-2. Paper-Feed Mechanism 3-3. Sensor Page Page CHAPTER 3 PARTS REPLACEMENT AND RELATED ADJUSTMENTS Note: The printer has no adjustable parts. Page 1. Presenter (TUP482) Presenter (TUP492) 2. Cutter (TUP452 and TUP482) Cutter (TUP492) 3. Printer Mechanism 4. Main Logic Board 5. Print Head Unit 6. Feed Motor Assembly 7. Sensor Unit Old Type New Type Page Page Page 1. Maintenance 1-1. Cleaning 1-2. Checks 2. Lubrication 2-1. Lubricants 2-2. Application Method 2-3. Lubrication Points 47 Fig. 4-1 Lubrication Points ( Printer Mechanism ) Page CHAPTER 5 PARTS LIST 50 1. Printer Assembly 1-1. TUP412/452/482 1-1-1.Disassembly Drawing A. TUP412 51 B. TUP452 52 C. TUP482 53 1-1-2.Parts List Printer Assembly TUP412/452/482 54 1-2. TUP492 1-2-1.Disassembly Drawing 55 1-2-2.Parts List Printer Assembly TUP492 56 2. Printer Mechanism C D BA 2-1. TMP412/452 57 B. TMP452 C D BA 58 2-1-2.Parts List Printer Mechanism TMP412/452 59 2-2. TMP492W-24N C D BA 2-2-1.Disassembly Drawing 60 2-2-2.Parts List Printer Mechanism TMP492W-24N 61 3. Presenter-Assembly 3-1. PR112-24 3-1-1.Disassembly Drawing 62 Presenter-Assembly PR112-24 3-1-2.Parts List 63 3-2. PR242-24 3-2-1.Disassembly Drawing 64 3-2-2.Parts List Presenter-Assembly PR242-24 65 4. Wiring Scheme of Printer 4-1. RS232 Interface Type RS232C I/F BOARD 66 4-2. RS422A Interface Type RS422A I/F BOARD 67 4-3. Parallel Interface Type PARALLEL I/F BOARD 68 5. Main Logic Board (TUP400 Ver.1) C A B 69 B D A 70 D C BZ + 71 D C B 5-2. Parts List 72 73 74 Page Page Page Page Page Page 81 6-3. Parts List 82 83 84 7. RS-232C Interface Board (Ver. 1) 7-1. Circuit Diagram 7-2. Parts List 85 RS-232C Interface Board (Ver. 1) Page 87 8-2. Component Layout 8-3. Parts List RS-232C Interface Board (Ver.2) Page Page 90 9-2. Component Layout 9-3. Parts List RS-422A International Board 91 10. Parallel Interface Board (Ver. 1) 10-1. Circuit Diagram 10-2. Parts List 92 Parallel Interface Board (Ver. 1) Page 94 11-2. Component Layout 11-3. Parts List Parallel Interface Board (Ver.2) 95 12. Near-End Sensor Board 12-1. Circuit Diagram 12-2. Parts List 96 13. Paper-End Sensor Board DRWG.NO. REV. PARTS NO. PARTS NAME QTY REMARKS RANK 13-1. Circuit Diagram 13-2. Parts List 97 14. Transit Board DRWG.NO. REV. PARTS NO. PARTS NAME QTY REMARKS RANK 14-1. Circuit Diagram 14-2. Parts List 98 15. Presenter Sensor Board 15-1. Circuit Diagram 15-2. Parts List Distributed by