Datamax-O'Neil Class Series Programmer’s Manual - Manual (Page 18)

Overview
Class Series Programmer’s Manual 4
Typical Data Flow Sequence
The typical data flow sequence is summarized in the following bullets and detailed in the table below.
Printer Commands data is transmitted to the printer as shown in the table from left to right, top to bottom.
 Status commands
 Configuration commands
 Download commands
 Label format
 Status commands
 Label reprint commands
 Memory cleanup
Printer Commands Description Notes
<SOH>A
<STX>WG
“Status” commands: Get
Status, Request Memory
Module Storage
Information…
Optional, bi-directional
communication required
for these commands.
<STX>O220
<STX>n
<STX>V0
“Configuration”
commands, download
image… See <STX>Kc to reduce
configuration commands
transferred
<SOH>D
<STX>IApImagename<CR>image data...data
<CR>
“Download” commands,
image, fonts…
RAM (temporary) or
Flash (semi-permanent)
memory
<STX>L Begin label
D11
Label Header record
131100000500050Typical text field 01
Label Formatting Data
record –
Object type, orientation,
position, data
Q0001 Label Quantity
E Label Terminate record
Existing label formats
may be recalled. Label
header records are not
required
<SOH>A Status command
Optional, bi-directional
communication required
for these commands.
<STX>U01new data for field 01
<STX>E0005
<STX>G
Reprint with New Data
Records
Used for fast re-prints
<STX>xImagename<CR>
<STX>zA
Memory cleanup
Typically used for
temporary storage