TransAct Ithaca 280 Programmer's Manual page 292

Communications
where X is a model definition. X will be 3 if the printer is in the native iTherm
emulation. 5 indicates that the printer is in some other emulation. Y and Z are bit fields
that designate the options attached to the printer.
Bit
Bit 0 Color Support active
Bit 1 Undefined
Bit 2 Undefined
Bit 3 0
Bits 4-5 1
Bits 6-7 0
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Y
0
Knife module attached
0
0
1
0
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iTherm 280 Programmer's Guide
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Z
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