Programmer's Guide
PcOS Series 90PLUS
Printer
Control Codes
Miscellaneous Controls
12/16/99
Rev M
Page 79
Function
Control Feature Commands
ASCII
[ESC] y <n>
Hexadecimal
1BH 79H <n>
Decimal
<27> <121> <n>
IPCL
&%Y0 through 9 or &%YX <m
1
> <m
2
> <m
3
> (for numbers greater than 9)
EPOS
[ESC] y <n>
Where n:
0
Disables quiet mode operation
1
Enables quiet mode operation
2
Reinitializes the printer and forces IBM mode
3
Reinitializes the printer and forces EPOS mode
4
Disables IPCL commands
5
Enables IPCL commands (Note: Once disabled, the
command will not be a valid IPCL code).
6
Disables ENQ processing
7
Enables ENQ processing
8
Enables extended diagnostics
11
Overlays the current character chart with Group 2 OCR
MA characters
12
Replaces the OCR characters with the normal characters
128+
Sets Windows control flags
10000001
Disables the next eject command, which allows Windows
drivers to do station select commands with paper source
selections. This is reset after it is used.
10000010
Disables the next knife cut command
10000100
Flags a MICR operation from Windows
10001000
Not defined
10010000
Causes the next slip select to ignore the form sensors
10100000
Causes the next receipt select to ignore the form sensors
when in receipt mode
11000000
Not defined
Description
The [ESC] y <n> command enables and disables command set features.
It is possible that the IPCL commands will interfere with the print data. If this is the
case, they can be disabled with an [ESC] y <4>.
Notes
1.
Quiet mode operation prints by making two passes for every pass in normal
mode. It generates less noise because only half the print wires are activated in
each pass. Quiet mode is slow and should only be used if quiet operation is
necessary.
2.
ESC y <2> and <3> allow the printer to be switched between normal and EPOS
modes. When the switch takes place, the current print buffer is printed, and the
printer reinitializes. These commands do not permanently change the
configuration. A power on reset will restore the mode that was configured in
menu mode. A reset by command or from the INIT pin will not restore the
mode.
3.
ESC y <6> and <7> enable and disable the inquire processing. These
commands are not processed as they are received, but are buffered and then
processed. Because of this, [ENQ] commands sent after a disable may be
answered. In addition, [ENQ]’s sent after an enable may not be answered.
4.
The printer has a resident OCR-MA font that only works in utility mode and
contains Group 2 characters. They are defined and mapped per ANSI X3.111-
1986. Once mapped into a code page, they can be removed by issuing an [ESC]
y <12> command or a code page select command.
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