Printek 4500, 4503, 4300 manual Set MSB to

Models: 4500 4503 4300

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Set MSB to 0

Epson FX Emulation

Set MSB to 0

ESC =

Sets the MSB (most significant bit) of all following data to zero. Some computers always set the MSB to one, causing all characters to print in italic mode. This escape sequence can overcome the problem. The problem can also be avoided by selecting "Data Bits: 7" in the "Setup: INTERFACE" menu.

Escape Sequence:

ESC

=

Hexadecimal:

1B

3D

Set MSB to 1

 

ESC >

Sets the MSB (most significant bit) of all following data to one. This escape sequence allows the eighth bit to be turned on, even if the computer and printer are connected via a 7-bit I/O interface. The eighth bit may be useful for 8-pin graphics data, or for accessing italic characters.

Escape Sequence:

ESC

>

Hexadecimal:

1B

3E

Cancel MSB Control

 

ESC #

Cancels the MSB (most significant bit) control set by ESC = or ESC >. This causes the eighth data bit sent from the host computer to be accepted as is.

Escape Sequence:

ESC

#

Hexadecimal:

1B

23

Deselect Printer

 

DC3

(or)

 

XOFF

Deselects the printer. Use of this command is discouraged, because the printer will remain offline until an operator presses the ONLINE button on the control panel.

Control code:

DC3

Hexadecimal:

13

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Printek 4500, 4503, 4300 manual Set MSB to