Epson ColorWorks C7500 ESC/label Command Reference Guide - Page 139

ESC/Label Command Reference Guide, Rev. E,

Page 139 highlights

~H(Q [Name] Send printer status [Format] ~H(Q a Parameters Description Definition range a [Function] Printer status identifier a = IQ/MN/WN IQ: Remaining ink MN: Available capacity in maintenance box WN: Warnings Sends the printer status specified in Parameter a to the host. [Initial value] None [Response] The printer sends the printer status value according to the following data format. (comma ) ... Control code that indicates start of text (02H) 2-character ASCII string specified in Parameter a ASCII character string of undefined length Control code that indicates end of text (03H) Control code that indicates carriage return (0DH) Control code that indicates line feed (0AH)  The printer does not respond if Parameter a is not 2 characters, or if it is not an ASCII character string.  If an undefined identifier is specified for Parameter a, is set to "#NA" and sent to the host.  If Parameter a is omitted, the printer does not respond. ESC/Label Command Reference Guide Rev. E Page 139

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ESC/Label Command Reference Guide
Rev. E
Page 139
~H(Q
[Name]
Send printer status
[Format]
~H(Q
a
Parameters
Description
Definition range
a
Printer status identifier
a = IQ/MN/WN
IQ: Remaining ink
MN: Available capacity in maintenance box
WN: Warnings
[Function]
Sends the printer status specified in Parameter a to the host.
[Initial value]
None
[Response]
The printer sends the printer status value according to the following data format.
<STX> <Parameter a character string> (comma <,> <Printer status value>) ...<ETX> <CR> <LF>
<STX>
Control code that indicates start of text (02H)
<Parameter a character string>
2-character ASCII string specified in Parameter a
<Printer status value>
ASCII character string of undefined length
<ETX>
Control code that indicates end of text (03H)
<CR>
Control code that indicates carriage return (0DH)
<LF>
Control code that indicates line feed (0AH)
The printer does not respond if Parameter a is not 2 characters, or if it is not an ASCII character
string.
If an undefined identifier is specified for Parameter a, <Printer status value>is set to "#NA" and
sent to the host.
If Parameter a is omitted, the printer does not respond.