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Epic 880
TM
Extended Printer Control
100-88002 Rev B Page 229
The Epic 880
TM
printer has a number of Extended Control commands that allow an
application to better track and maintain the printer. These commands are part of each
supported emulation
17
.
The printer maintains a log of printer activity. This activity may be returned to the host
with the [ESC]~ T command. This command returns a ~T followed by four binary bits
that make up a 32 bit unsigned integer. The description of the command below
describes the format in full.
The printer also contains a number of commands that will force the printer to perform
specific functions to help maintain the printer or print information about the printer.
The functions available are:
1) Print current configuration
2) Print current log totals
Note: Each of these commands follow the ESC~ or ESCy format. Other functions
are performed by these basic commands. Do not attempt to use any undocumented
version of these commands. The extended diagnostics commands may affect the
print quality and performance of the printer. In some cases, the commands may
degrade the performance of the print cartridge or mechanism.
Function Read and Return Totals
ASCII [ESC] ~ T <n>
Hexadecimal 1BH 7EH 54H <n>
Decimal <27> <126> <84> <n>
Description This command returns the current statistics for parameter n. The value
returned will be ~T<n> with the next 4 bytes being an unsigned integer. For example:
[ESC]~T<1> Request cover open count
Returns: ~T<1><0><0><1><100> or 256 + 100 or 356 cover opens
Values of n Request:
0 Black Dots
1 Red Dots
2 Not Used
3 Cover Opens
4 Paper Outs
5 Line Feeds
6 Characters Printed
7 Not Used
8 Not Used
9 Standby Cycles
17
The Star emulation does not allow the use of [ESC] y commands for extended diagnostics.
The [ESC] y commands are not available.