A795 User Guide: Programming Supplement
Chapter 2: Diagnostics and Configuration
20
Enable or disable data scope mode
The data scope mode test prints a hexadecimal dump of all data sent to the printer: “1” prints as
hexadecimal 31, “A” as hexadecimal 41 and so on. This helps troubleshoot communication
problems and runs during a normal application (after being enabled through printer configuration).
Note:
Data scope mode is usually considered a level 1 diagnostic test.
Data scope mode is enabled and disabled by selecting the “Diagnostic Modes” sub-menu of the
configuration menu.
Caution: Be extremely careful changing any of the printer settings to avoid inadvertently
changing other settings that might affect the performance of the printer.
Press the paper feed button as instructed on the
“Diagnostic Modes Menu” to enable or disable the data
scope mode test.
•
Off, normal mode
(Data scope mode disabled):
1 click
•
Data scope mode (enabled):
2 clicks
•
Receipt test mode:
3 clicks
Note:
Press the paper feed button for at least one
second to validate the selection.
To run the data scope mode:
1
After you have enabled the data scope mode, 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 characters as shown in
the illustration.
To exit the data scope mode:
1 Enter the configuration menu again.
See “Configuring the printer.”
2 Disable the data scope mode.
3 Exit the configuration menu.
The printer is on-line and can communicate normally
with the host computer.
For more information about See this section
Enabling the Data Scope Mode “Configuring the Printer”
Printhead resistance
The printhead resistance settings are set by entering the configuration menu, selecting “Set
Hardware Options” and answering “No” to the questions printed on the receipt until you come to
“SET PRINTHEAD SETTING?”.
The printhead resistance setting must match the character (A or B) marked on the heatsink on the
back of the printhead. This is only visible when top cover of the printer is removed, an operation
that can only be performed by a trained service representative.
Caution: Be extremely careful changing any of the printer settings to avoid inadvertently
changing other settings that might affect the performance of the printer.
Press the paper feed button as instructed on the
configuration menu to select the printhead resistance
setting:
•
A Setting:
long click
•
B Setting:
short click
Note: Press the paper feed button for at least one second
to validate the selection.
For more information about See this section
Setting the printhead
“Configuring the Printer”
resistance
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