CONTENTS
Chapter 1 PRODUCT DESCRIPTION |
|
1.1 Overview | 9 |
1.2 Specification | 11 |
1.2.1 Printing specification | 11 |
1.2.2 Character specification | 12 |
1.2.3 Control code | 12 |
1.2.4 Paper feeding | 12 |
1.2.5 Paper specification | 13 |
1.2.6 Printing area | 14 |
1.2.7 Adjust Lever | 15 |
1.2.8 Ink | 15 |
1.2.9 Input data buffer | 16 |
1.2.10 Electrical specification | 16 |
1.2.11 Acoustic noise | 17 |
1.2.12 CE Marking | 17 |
1.2.13 Safety Approvals | 17 |
1.2.14 Reliability | 17 |
1.2.15 Environmental condition | 17 |
1.3 Printer Function | 19 |
1.3.1 Operator controls | 19 |
1.3.2 Operate switch | 19 |
1.3.3 Indicators | 19 |
1.3.4 Panel Functions | 19 |
1.3.5 Special settings mode (*1) | 20 |
1.3.6 Printer condition and Panel status | 21 |
1.3.7 Printer Initialization | 22 |
1.3.8 Default Values | 23 |
1.3.9 Errors | 23 |
1.4 Physical specification | 24 |
Chapter 2 OPERATING PRINCIPLES |
| |
2.1 | Overview | 26 |
2.2 | Printer Mechanism | 26 |
| 2.2.1 Printhead | 27 |
| 2.2.2 Carriage Mechanism | 28 |
| 2.2.3 Paper Feeding Mechanism | 30 |
| 2.2.4 Paper Loading Mechanism (ASF Unit) | 34 |
2.3 | Electrical Circuit Operating Principles | 43 |
| 2.3.1 Power Supply Circuit Operating Principles | 43 |
| 2.3.2 C456 Main Board | 46 |
Chapter 3 TROUBLESHOOTING |
| |
3.1 | Overview | 54 |
| 3.1.1 Communication Error | 55 |
| 3.1.2 Too Late Throughput | 55 |
| 3.1.3 Status Monitor does not operate | 56 |
| 3.1.4 Troubleshooting with LED Error Indications | 57 |
| 3.1.5 Isolating the Faulty Part on the Power Supply Board | 77 |
| 3.1.6 Isolating the Faulty Part according to the Phenomenon | 79 |
Chapter 4 DISASSEMBLY AND ASSEMBLY |
| |
4.1 | Overview | 92 |
| 4.1.1 Precautions | 92 |
| 4.1.2 Tools | 93 |
| 4.1.3 Screws | 94 |
| 4.1.4 Work Completion Check | 95 |
4.2 | Disassembly | 96 |
| 4.2.1 Housing Removal | 97 |
| 4.2.2 Board Assembly Removal | 101 |
| 4.2.3 ASF Unit Removal | 105 |
