CognitiveTPG B780 - Manual (Page 101)

Chapter 5: Programming commands 89
A776-PG00001 C 12/09 A776 (B780) Programming Guide
Flash memory user sector status (n = 4 or n = 52)
Bit Off/On Hex Decimal Status for transmit status
0 – – – Undefined. Fixed to off.
1 – – – Undefined. Fixed to off.
2 Off 00 0 User data storage write successful
On 04 4 User data storage write failed, specified area not erased.
3 Off 00 0 Flash logo area adequate, definition stored.
On 08 8 Flash logo area not adequate for recent definition.
4 Off 00 0 Not used. Fixed to off.
5 Off 00 00 No thermal user-defined characters written to flash.
On 20 32 Thermal user-defined characters written to flash.
6 Off 00 0 No impact user-defined characters written to flash.
On 04 64 Impact user-defined characters written to flash.
7 – – – Undefined.
Send printer software version
ASCII US V
Hexadecimal 1F 56
Decimal 31 86
The printer returns 8 bytes containing the boot and flash software version. The first 4 bytes returned are an ASCII string
for the boot version.
The second 4 bytes are an ASCII string for the flash version. Example: For 1.234.56 (8 bytes), the boot version is 1.23 and
the flash version is 4.56.
Real-time commands
The real time commands provide an application interface to the printer even when the printer is
not handling other commands:
• Real-time status transmission: GS (Hex 1D) sequence and DLE (Hex 10) sequence
• Real-time request to printer: GS (Hex 1D) sequence and DLE (Hex 10) sequence
• Real-time printer status transmission
The batch mode printer status commands are placed in the printer’s data buffer as they are
received and handled by the firmware in the order in which they were received. If the paper exhausts while printing
data that was in the buffer ahead of the status command, the printer
goes busy at the RS-232C interface and suspends processing the data in the buffer until paper
is reloaded. This is true for all error conditions: knife home error, thermal printhead overheat, etc. In addition, there
is no way to restart the printer after a paper jam or to cancel a slip waiting condition when using the wait for slip
command.
The real-time commands are implemented in two ways in order to overcome the limitations of batch mode status
commands. Both implementations offer the same functionality; which one you choose depends on the current usage
of your application.