Axiohm 7156 Spezifikationen Seite 188

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A756- 8xxx new commands and features
January 14, 1998 file name 568xcmds.doc page 9 of 11
Axiohm IPB company confidential
Remote Diagnostics
The A756-8xxx provides new remote diagnostics capabilities. They offer the ability to retrieve
critical printer information from the printer via communications, which can aid in maintaining a
state of health picture of an installation. They also provide the means for on-site customization
of replacement boards.
The existing Transmit Printer ID command is extended to provide the new remote diagnostics
feature. The original parameters for this command are unchanged. The new feature is
implemented with a new parameter and various extensions.
Remote diagnostics extension:
GS I @ n Transmit Printer ID, Remote Diagnostics Extension.
format ASCII GS I @ n
Hex 1D 49 40 n
Decimal 29 73 64 n
range 32 n 255, not all defined but reserved
There are 11 remote diagnostic items defined: six printer ID items, and five printer tally items.
Each item has a group of four remote diagnostic functions assigned to it, but not all functions
are available for each item. Most of the items are maintained in the printer’s non-volatile
memory (NVRAM); some are contained in read-only memory (ROM). The table below
describes all these variables.
The first item group in the table shows an example of data to send and data to receive. Data
sent from the host to write to NVRAM must contain all digits required by the remote diagnostic
item. All data must be ASCII. The printer returns all ASCII data, preceded by the parameter n
to identify the diagnostic item, followed by a Carriage Return (<CR>) to signify end of data.
The command performs the remote diagnostic function specified by n as follows:
GS I @ n
n
REMOTE DIAGNOSTIC
ITEM
FUNCTION
ASC hex dec
space
20 32 Serial #,
10 digit ASCII
Write to NVRAM
Example, send 14 bytes to printer:
GS I @ 0x20 1234567890
! 21 33 Serial # Write to NVRAM, and print on receipt to verify
Example, send 14 bytes to printer:
GS I @ ! 1234567890
This will print on receipt:
Serial # written: 1234567890
22 34 Serial # Not available, cannot clear Serial # item
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