
CHAPTER 6
TROUBLESHOOTING
1. Troubleshooting Procedures ............................................................................. 55
2. Unit Replacement Priority Chart ........................................................................ 56
3. Repair by Unit Replacement............................................................................... 57
4. Repair by Parts Replacement............................................................................. 63
4-1. Does not Operate at All with Power on............................................................... 63
4-2. Power Supply Circuit Abnormal.......................................................................... 64
4-3. Defective Motor Operation................................................................................... 65
4-4. Defective Print Head Operation ........................................................................... 66
4-5. Defective Interface Operation.............................................................................. 67
6
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