7197 Series II Service Manual    Chapter 3: Diagnostics 
 
 June 2011 
41
Diagnostic Modes  
This function allows the user to put the printer into the following diagnostic modes: 
  Off, Normal Mode:  this the normal operating mode of the printer. 
  Datascope Mode:  the receipt printer prints incoming commands and data in 
hexadecimal format. 
  Receipt Test Mode:  the receipt printer prints two code pages. 
The diagnostic modes are enabled or disabled by using the Configuration Menu. See 
“Configuration the Printer,” for instructions on how to enter the Configuration Menu. 
 
Press the Paper Feed Button for the diagnostics mode you want. 
 
** SET DIAGNOSTICS MODE ? 
YES   -> Long Click 
NO   -> Short Click 
 
OFF, Normal Mode*   -> 1 Click 
Data Scope Mode   -> 2 Clicks 
Receipt Test Mode   -> 3 Clicks 
Enter code, then hold Button DOWN 
At least 1 second to validate 
Datascope Mode  
Datascope Mode allows the user to test the printer’s communications. When in Datascope 
Mode the printer receives all communications, but instead of executing the commands it 
prints them out on receipt paper as hexadecimal numbers in the order received. For 
example, the ASCII character “A” is printed as the hexadecimal number 41 an so on. 
To run the Datascope Mode: 
1.  After you have enabled the Datascope Mode through the Configuration Menu, exit the 
Configuration Menu. 
2.  Run a transaction from the host computer. 
All commands and data sent from the host computer will be printed as hexadecimal 
numbers as shown in the illustration. 
30 31 32 33 34 35 36 37 38 39 40 41   :  0 1 2 3 4 5 6 7 8 9 @ A 
41 42 43 44 45 46 47 48 49 50 51 52   :  A B C D E F G H I J K L 
To exit the Datascope Mode: 
1.  Enter the Configuration Menu again 
2.  Disable the Datascope Mode 
3.  Exit the Configuration Menu 
The printer is in Normal Mode and can communicate with the host computer. 
Receipt Test Mode  
To run the Receipt Test Mode: 
1.  Enable the Receipt Test Mode through the Configuration Menu. See “Configuring the 
Printer,” for instructions on how to enter the Configuration Menu.