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108 • Appendix B: Query User Manual and Technical Guide The O'Neil microFlash Series of Printers
ESC
{PH?}
Printhead
Query:
ESC{PH?}
Reply Format:
{PH!
TD
:x;
DD
:x;
T
:x;
M
:x}
Function:
Returns the type of print head in use in this printer and
the total number of dots across.
Reply Example:
{PH!
TD
:0384;
DD
:203;
M
:LPT3245
T
:+25.6C;}
Reply Explanation:
PH! This is a reply to a PRINTHEAD query.
TD
:0384; The print head in this printer has 384 dots across.
DD
:203; The dot density is 203 dots per mm.
M
:LPT3245 The print head model number is LPT3245.
T
:+25.6C; The current print head temperature is +25.6 degrees
Centigrade.
Query Reply Definition
TD
Nnnn
T
otal
N
umber of dots across this print head
DD
Nnn
D
ot
D
ensity of this print head (dots per mm)
M
x...x
(variable
width)
M
odel number of this print head
T
+ nn.nC Current
T
emperature of print head