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Control codes pcos series 150 programmer's guide – Star Micronics 150 User Manual

Page 66

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Control Codes

PcOS Series 150

Programmer's Guide

Miscellaneous Control

Page 56

Rev G

12/14/99

Function

Query marker

ASCII

[ESC] q

Hexadecimal

1BH 71H

Decimal

<27> <113>

IPCL

none

EPOS

none

Function

Return status to host

Serial/IEEE1284

Parallel, non-IEEE 1284

Response

[SOH]

Not supported via PE

Description

This command can be placed in the print data and, when processed by the
printer, will return a progress status marker. The value of can be any
8-bit value. It is returned to the host unaltered. The intent is for it to be a
sequence number. This command can be used to track the print progress of
the printer or verify that the data has been printed.

Note: This command is a line terminator that causes the printer to print all
previous data. If a normal line terminator (like a [CR]) is not supplied,
right justify and autocenter will not function correctly. All data will be left
justified. [ESC] q does not perform a [CR] or [LF] function.