Intermec EasyCoder 501 – Service Manual Ed. 7
2
Chapter 0 Introduction
0.1 Contents, cont.
11. Label Taken Sensor
11.1 Description.............................................................................................. 88
11.2 Installation............................................................................................... 89
11.3 Adjustments ............................................................................................ 91
12. Paper Cutter
12.1 Description.............................................................................................. 92
12.2 Control..................................................................................................... 94
12.3 Cleaning .................................................................................................. 94
12.4 Installation............................................................................................... 96
12.5 Replacement.......................................................................................... 102
13. Memory Card Adapter
13.1 Description............................................................................................ 104
13.2 Installation............................................................................................. 109
13.3 Memory Card Types............................................................................. 110
13.4 Inserting a Memory Card..................................................................... 112
13.5 Removing a Memory Card .................................................................. 112
14. Sensor Kit
14.1 Description............................................................................................ 113
14.2 Installation............................................................................................. 114
15. Scaleable Fonts Kit
15.1 Description............................................................................................ 115
15.2 Installation............................................................................................. 116
16. Transformer Unit
16.1 Description............................................................................................ 117
16.2 Dismantling........................................................................................... 118
16.3 Connection Diagram ............................................................................ 119
16.4 Wiring Diagram.................................................................................... 119
17. CPU Board
17.1 Access to CPU Board........................................................................... 121
17.2 Overview ............................................................................................... 122
17.3 Circuits and Straps................................................................................ 124
17.4 Connections........................................................................................... 131
17.5 Components Diagram .......................................................................... 132
17.6 Circuit Diagrams:
1. CG16 Master Processor ................................................................... 133
2. A/D and I/O Circuits ........................................................................ 134
3. Interfaces to Printer Devices ............................................................ 135
4. Data Shiftout to Printhead................................................................ 136
5. HPC Slave Processor........................................................................ 137
6. Stepper Motor Drives ....................................................................... 138
7. ROM Memory .................................................................................. 139
8. RAM Memory.................................................................................. 140
9. "uart1:" Interface Circuits ................................................................ 141
10. Sensor Interfaces ............................................................................ 142
11. Data to Printhead ............................................................................ 143
12. Power to Printhead ......................................................................... 144
13. Power............................................................................................... 145
17.7 Test Points ............................................................................................. 146
17.8 Testing the CPU Board......................................................................... 147
18. "uart1:"
18.1 Connector and Cables .......................................................................... 148
18.2 RS-232 (V24)........................................................................................ 149
18.3 RS-422................................................................................................... 151
18.4 20 mA Current Loop ............................................................................ 153
19. Optional Interface Boards
19.1 Description............................................................................................ 156
19.2 Installation............................................................................................. 157
20. Serial Interface Board
20.1 Description............................................................................................ 158
20.2 Straps ..................................................................................................... 159
20.3 Connector Confi guration...................................................................... 160
20.4 Components Diagram .......................................................................... 161
20.5 Circuit Diagrams................................................................................... 162
