M-S Cash Drawer 7193 manual Solving Problems

Contents	7193 Owner’s Guide
Testing the Printer	23
Mounting the Printer on a Wall	25
Mounting the Power Supply on a Wall	27
Solving Problems	29
Operator Panel Lights	29
Correcting Problems	30
Operator-Correctable Conditions	30
Service-Related Problems	30
Contacting a Service Representative	31
Diagnostics	33
Level 0 Diagnostics	33
Level 1 Diagnostics	34
Setting Data Error and Data Buffer options	35
Setting Printhead Resistance	36
Setting Default Lines per Inch	37
Setting Partial Cut Distance	38
Ignoring/Using the Carriage Return	39
Running the Data Scope Mode	40
Testing Receipt Printing	42
Level 2 Diagnostics	43
Level 3 Diagnostics	43
Communication	45
Communication Overview	45
Interfaces	45
Sending Commands	45
RS-232C Interface	46
XON/XOFF Protocol	47
DTR/DSR Protocol	47
RS-232C Technical Specifications	48
Parallel Interface	52
Parallel Protocol	52
Parallel Technical Specifications	53

ii May 1996