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JT: Obtain head check information
The following values are sent:
<STX><CR><LF>
HEAD TEST RESULTS
<CR><LF>
0,A,0000,0000,0000
<CR><LF>
<ETX>
“PRINT HEAD TEST RESULTS” information format
a,b,cccc,dddd,eeee
a
: 0 No errors
1 Head disconnection error detected
b
: A When the ^JT command parameter 'a' (manually select range of elements to
test) is set to “Automatic” (default)
M When the ^JT command parameter 'a' (manually select range of elements to
test) is set to “Manual” (default)
cccc
: 0000 to 9999 The value of the parameter ‘b’ (first element to check) sent in ^JT
when “Manual” is selected in ^JT command. In the case of “Automatic,” ‘0000’
is sent.
dddd
: 0000 to 9999 The value of the parameter ‘c’ (last element to check) sent in ^JT
when “Manual” is selected in ^JT command. In the case of “Automatic,” ‘0000’
is sent.
eeee
: 0000 No errors
0001 Head disconnection error detected
PP: Obtain Plug and Play information
The following values are sent:
“PLUG AND PLAY MESSAGES” information format
MFG: OKI DATA CORP
CMD: TPCL (fixed)
MDL:
In the case of LE840
LE840
In the case of LE850
LE850
SN: Obtain printer serial number information
The following values are sent:
<STX><CR><LF>
SERIAL NUMBER
<CR><LF>
00000000000
<CR><LF>
<ETX>
UI: Obtain PID and device release number information of USB
The following values are sent:
