Contents
x
Loading the Paper Roll ..................................................................................... 39
Advancing Paper ............................................................................................... 40
Other Serious Problems ........................................................................................... 42
Level 0 Diagnostics ................................................................................................... 44
Level 1 Diagnostics ................................................................................................... 45
Printer Configuration........................................................................................ 45
Diagnostic Modes .............................................................................................. 51
Hardware Options............................................................................................. 56
Default Code Page ............................................................................................. 58
Level 2 Diagnostics ................................................................................................... 61
Level 3 Diagnostics ................................................................................................... 62
Communication Overview ...................................................................................... 61
Interface............................................................................................................... 61
Sending Commands .......................................................................................... 61
RS-232C Interface...................................................................................................... 62
Print Speed and Timing .................................................................................... 62
XON/XOFF Protocol......................................................................................... 63
DTR/DSR Protocol ............................................................................................ 63
Command Conventions ........................................................................................... 67
Introduction............................................................................................................... 67
By Command Code ........................................................................................... 68
By Function......................................................................................................... 72
7197 Owner's Guide
September 1998
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