Service Manual
Service ManualService Manual
Service Manual
CO TE TS
CO TE TSCO TE TS
CO TE TS
1. OUTLINE……………………………………………………………………………………1-1
2. BLOCK DIAGRAM…………………………………………………………………………2-1
3. DISASSEMBLY AND REASSEMBLY OF BASIC PARTS………………………………..3-1
3-1. Exploded View......................................................................……….................. ……......3-2
3-2. Tools Required…………………………………………………………………………..3-3
3-3. Disassembly……………………………………………………………………………...3-4
4. DISASSEMBLY AND REASSEMBLY OF MECHANISM………………………………….4-1
4-1. Exploded View,Oiling Instruction Diagram…………………………..…………………4-2
4-2. Tools,Oils and Detergent Required………………………………………………………4-3
4-3.Disassembly………………………………………………………………………………4-4
4-4.Reassembly………………………………………………………………………….……4-5
5. TROUBLESHOOTING………………………………………………………………………..5-1
5-1.No Operation……………………………………………………………………………... 5-2
5-2.No Display on the LCD Panel………………………………………………… ………… 5-3
5-3.Setting Switch Malfunctioning…………………………………………………………… 5-4
5-4.Motor Operation Failure…………………………………………………………………...5-5
5-5.No Printing……………………………………………………………………………….. 5-6
5-6.Lighting Abnormality……………………………………………………………………...5-7
5-7.Atomic Failure……………………………………………………………………………. 5-8
5-8.How to locate Problems from the Error Codes……………………………………………5-9
6. MEASUREMENT…………………………………………………………………………….6-1
6-1.Voltage Check………………………………………………………………………………..6-2
6-2.Motor Operation Check……………………………………………………………………6-2
6-3.Print Head Resistance Measurement………………………………………………………6-3
7. CONTROL CIRCUIT OPERATION………………………………………………………….7-1
7-1.Control Circuit……………………………………………………………………………..7-2
7-2.Block Diagram of Circuits…………………………………………………………………7-2
7-3.CPU…………………………………………………………………………………………7-3
7-4.Ports List…………………………………………………………… ………………………7-4
7-5.Operation Mode……………………………………………………………….. ……………7-5
7-6.LCD………………………………………………………………………………………….7-6
7-7.Switch………………………………………………………………………………………..7-7
7-8.Sensor…………………………………………………………………….... ……………...7-8
7-9.Encoder…………………………………………………………………………………….. 7-9
7-10.Motor…………………………………………………………………………………….. 7-10
7-11.Print Head………………………………………………………………………………….7-11
8. POWER SUPPLY CIRCUIT……………………………………………………………….....8-1
9. INSPECTION SHEET…………………………………………………………………………..9-1
10. ERROR CODE LIST………………………………………………………………………....10-1
11. CONNECTOR PIN ASSIGNMENT………………………………………………………….11-1
12. CIRCUIT DIAGRAM………………………………………………………………………12-1
13. PARTS LIST…………………………………………………………………………………13-1