TableofContents
1. Features --------------1
--------------2
2. How to Install Roll Paper
2-1 Specification of thermal roll paper --------------1
2-2 Step of changing --------------1
2-3 How to removing paper after paper jamming --------------2
2-5 How to adjust paper near-end sensor --------------2
3. How to change the memory back-up battery --------------1
4. Operation for maintenance
4-1 System reset --------------1
4-2.Cancel password of the control lock mode
4-3 Display program version --------------1
4-4 All RAM memory clear --------------1
4-5 Communication port loop-back test --------------2
4-6. E-PROM CHECK-SUM Printing --------------3
5. Logic Circuit
5-1 Connection Diagram --------------1
5-2 Block Diagram --------------2
5-3 Primary power circuit --------------3
5-4 Power circuit --------------4
5-5 Power failure & Reset signal generation circuit--------------5
5-6 Battery charge & Voltage checking circuit --------------5
5-7 Memory selection circuit --------------6
5-8 I/O selection circuit --------------7
5-9 Real-Time clock circuit --------------8
5-10 Buzzer circuit --------------8
5-11 Drawer circuit --------------9
5-12 Key scan circuit --------------10
5-13 Keyboard physical position & Matrix
for Conversion key type --------------11
5-14 Keyboard physical position & Matrix
for Flat key type --------------12
5-15 LCD display circuit --------------13
5-16 VFD display circuit --------------14
5-17 Thermal printer circuit --------------15
6. Printer Maintenance
6-1 Cleaning --------------1
6-2 Inspection --------------1
6-3 Lubrication --------------2
6-3-1 Type of Lubricant --------------2
6-3-2 Lubrication standards --------------2
6-4 Tools & Jigs
6-4-1 List of Tools --------------2
6-5 Troubleshooting of printer
6-5-1 Repair Levels --------------3
6-5-3 Repair Procedure --------------3
6-6 Head Connector --------------8
