
7156 Owner’s Guide Diagnostics
October 1995 53
Running the Data Scope Mode
This test prints a Hex dump of all data sent to the printer: “1” prints as Hex 31,
“A” as Hex 41 and so on. This helps troubleshoot communication problems, and
runs during a host application (after being enabled in Level 1 Diagnostics).
Enter the Data Scope Mode
Caution: The DIP switches are set at the factory to predetermined settings and
should generally not be changed. If you must change the settings do so carefully
to avoid changing other functions. Run the print test to see if the Data Scope
Mode is on or off. See “Print Test” later in this chapter.
1. Open the front cover and set the DIP switches to the following settings:
Switch 7 is always Off. Switch 8: On = knife, Off = non-knife
Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 Switch 6
On Off Off On Off On
2. Close the front cover and press the On Line button to take the printer off-line.
The green LED flashes when the printer cycles.
3. Set the DIP switches back to the settings for normal operation (on-line mode).
See “Switch Settings” in the “Communication” chapter for the settings.
4. Close the front cover and press the On Line button to put the printer on-line.
The green LED flashes when the printer cycles.
5. Run a transaction from the host system.
All commands and data sent from the host system will be printed as Hex
characters as shown in the following illustration.
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