Epson TM-FX2180 manual

EPSON FX-2180 Service Manual

2. Operating Principles		2-1
2.1	Overview	2-1
	2.1.1 Printer Mechanism	2-1
	2.1.2 Power Supply Circuit	2-2
	2.1.2.1 Power Supply Circuit Operation	2-2
	2.1.3 Control Circuit	2-3
	2.1.3.1 Control Circuit Operation	2-3
3. Troubleshooting		3-1
3.1	Overview	3-1
3.2	Troubleshooting Information	3-1
	3.2.1 Print Head	3-1
	3.2.2 Sensors	3-2
	3.2.3 Motors	3-3
	3.2.4 Error Conditions	3-3
3.3	Unit Level Troubleshooting	3-4
3.4	Repairing the Power Supply Board	3-7
3.5	Repairing the Main Board Assembly	3-9
3.6	Repairing the Printer Mechanism	3-11
4. Disassembly and Assembly		4-1
4.1	Overview	4-1
	4.1.1 Precautions	4-1
	4.1.2 Tools	4-1
	4.1.3 Specifications for Screws	4-2
	4.1.4 Service Check After Repair	4-3
4.2	Disassembly and Assembly	4-4
	4.2.1 Preparing to Disassemble the Printer	4-5
	4.2.2 Removing the Panel Board Assembly	4-6
	4.2.3 Removing the Print Head	4-7
	4.2.4 Removing the HP Sensor	4-8
	4.2.5 Removing the PW Sensor Assembly	4-8
	4.2.6 Removing the Ribbon Mask	4-9
	4.2.7 Removing the Upper Housing Assembly	4-10
	4.2.8 Removing the Platen Assembly	4-11
	4.2.9 Removing the Platen Gear	4-12
	4.2.10 Removing the Case Open Sensor Assembly	4-12
	4.2.11 Removing the Printer Mechanism	4-13
	4.2.11.1 Removing the CR Motor Assembly	4-15
	4.2.11.2 Removing the PF Motor Assembly	4-16
	4.2.11.3 Removing the PG Sensor Assembly	4-17
	4.2.11.4 Removing the Right Sub Frame Assembly	4-18
	4.2.11.5 Removing the Right Frame Assembly	4-18

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