Contents
7156 Owner’s Guide
September 1997
ii
Paper Low Sensor.................................................................................................................... 26
Chapter 3: Solving Problems 27
Printer Beeps Twice ................................................................................................................ 27
Green LED Does Not Come On/Printer Will Not Print .................................................... 27
Red LED Flashes...................................................................................................................... 28
Red LED Is Constant............................................................................................................... 28
Slip or Forms Printing is Light .............................................................................................. 29
Receipt Printing is Light or Spotty........................................................................................ 29
LED (Slip Table) Does Not Come On ................................................................................... 30
Forms Skew or Catch .............................................................................................................. 30
MICR Check Reader Not Reading Properly ........................................................................ 30
Other Serious Problems.......................................................................................................... 31
Contacting a Service Representative..................................................................................... 31
Chapter 4: Diagnostics 33
Level 0 Diagnostics.................................................................................................................. 33
Level 1 Diagnostics.................................................................................................................. 34
Setting Partial Cut Distance ............................................................................................ 36
Setting Data Error and Data Buffer Options) ............................................................... 37
Ignoring/Using the Carriage Return............................................................................. 38
Checking and Adjusting the MICR Check Reader ...................................................... 39
Verifying Read of MICR Characters .............................................................................. 42
Running the Data Scope Mode....................................................................................... 43
Testing the Slip and Receipt Stations............................................................................. 44
Level 2 Diagnostics.................................................................................................................. 46
Level 3 Diagnostics.................................................................................................................. 47
Print Test .................................................................................................................................. 47
Running the Print Test by Power Cycling the Printer................................................. 47
Running the Print Test by Opening and Closing the Cover....................................... 47
Sample Print Test ............................................................................................................. 48
Chapter 5: Communication 49
Communication Overview..................................................................................................... 49
Interface...................................................................................................................... ....... 49
Sending Commands......................................................................................................... 49
RS-232C Interface .................................................................................................................... 50
Print Speed and Timing................................................................................................... 50
XON/XOFF Protocol ....................................................................................................... 51
DTR/DSR Protocol .......................................................................................................... 51
RS-232C Technical Specifications................................................................................... 52
Setting Extra RS-232C Options ....................................................................................... 54
Содержание 7156
Страница 1: ...BD20 1436 A Issue B September 1997 NCR 7156 Thermal Receipt and Impact Slip RS232 Owner s Guide...
Страница 6: ...Contents 7156 Owner s Guide September 1997 iv...
Страница 31: ...7156 Owner s Guide Chapter 2 Setting Up and Using the Printer September 1997 25 Sample Print Test...
Страница 38: ...Chapter 3 Solving Problems 7156 Owner s Guide September 1997 32...
Страница 118: ...Chapter 6 Commands 7156 Owner s Guide September 1997 112...
Страница 122: ...Appendix A Specifications 7156 Owner s Guide September 1997 116...
Страница 129: ...7156 Owner s Guide Appendix B Print Characteristics September 1997 123...
Страница 130: ...Appendix B Print Characteristics 7156 Owner s Guide September 1997 124...
Страница 136: ...Index 7156 Owner s Guide September 1997 6...
