UBI EasyCoder 601 XP – Service Manual Ed. 1
2
Chapter 0 Introduction
10. Label-Taken Sensor
10.1
Description .................................................................................... 73
10.2
Installation .................................................................................... 74
10.3
Adjustments .................................................................................. 76
11. Paper Cutter
11.1
Description .................................................................................... 77
11.2
Control .......................................................................................... 78
11.3
Cleaning ........................................................................................ 78
11.4
Installation .................................................................................... 79
11.5
Spring Replacement ...................................................................... 80
12. Ribbon Low Sensor
12.1
Description .................................................................................... 81
12.2
Installation .................................................................................... 82
13. Electronics Compartment
13.1
Introduction ................................................................................... 83
13.2
Accessing the Electronics Compartment ........................................ 83
13.3
Main Parts ..................................................................................... 84
14. Power Supply
14.1
Description .................................................................................... 85
14.2
Components .................................................................................. 87
14.3
Schematics .................................................................................... 89
15. CPU Board
15.1
Description .................................................................................... 91
15.2
Circuits and Straps ........................................................................ 92
15.3
Connectors .................................................................................... 96
15.4
Special Devices ............................................................................. 97
15.5
Test Points .................................................................................. 101
15.6
Startup ......................................................................................... 101
15.7
Components ................................................................................ 103
15.8
Schematics .................................................................................. 104
16. Interfaces
16.1
Introduction ................................................................................. 111
16.2
Serial Communication Port "uart1:" ............................................ 112
16.3
Parallel Interface "centronics:" .................................................... 113
16.4
Industrial Interface Board ............................................................ 117
16.5
Serial Interface Board .................................................................. 129
17. Trouble Shooting
17.1
Diagnosing the Printer ................................................................. 131
17.2
No Reaction at Power Up ............................................................ 133
17.3
Printer Stops Working after Startup ............................................. 134
17.4
CPU Board Failures .................................................................... 135
17.5
Power Supply Unit Failures ......................................................... 136
17.6
Console Errors ............................................................................ 137
17.7
Error Messages ............................................................................ 138
17.8
No Communication (general) ...................................................... 139
17.9
No Serial Communication ........................................................... 140
17.10 No Parallel Communication ........................................................ 141
17.11 Sensor Malfunctions .................................................................... 142
- Label Stop Sensor (LSS) ........................................................... 142
- Headlift Sensor ......................................................................... 142
- Ribbon End Sensor ................................................................... 143
- Ribbon Low Sensor .................................................................. 143
- Label Taken Sensor (LTS) ........................................................ 144
0.1 Contents,
cont'd.
