Disassembly, Assembly And Troubleshooting - Epson MX-80 Technical Manual

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CHAPTER 3
DISASSEMBLY, ASSEMBLY AND
TROUBLESHOOTING
CONTENTS
3.1 General
3.2 Tools and Measuring Instruments 3-1
3.3 Disassembly and Assembly 3-3
3.3.1 Removal of Upper Case 3-3
3.3.2 Disassembly of electric ciucuit block 3-5
3.3.3 Disassembly of M-3210 printer mechanism block .... 3-9
3.4 Symptoms of Trouble and Repair 3-15
3.4.1 General
3.4.2 Troubleshooting by symptom 3-16
3.4.3 Troubleshooting of control circuit board 3-20
REV. A