Epson￿

Commands￿

￿

 

 

Notes

 

 

Function

(ASCII, Decimal, Hexadecimal)

 

 

 

 

 

 

 

Set Most Significant Bit

ASCII: ESC >

Set the MSB (8th bit) to 1.

 

 

(MSB) to 1

Dec: 27 62

 

 

 

 

Hex: 1B 3E

 

 

 

Set Most Significant Bit

ASCII: ESC =

Sets the MSB (8th bit) to 0.

 

 

(MSB) to 0

Dec: 27 61

 

 

 

 

Hex: 1B 3D

 

 

 

Reset Most Significant Bit

ASCII: ESK #

Cancels ESC > or ESC =. MSB accepted

 

 

(MSB)

Dec: 27 35

"as is" from computer.

 

 

 

Hex: 1B 23

 

 

 

Print Suppress Mode On

ASCII: DC3

Places printer in Print Suppress Mode

 

 

 

Dec: 19

after printing data in print buffer.

 

 

 

Hex: 13

Ignores all further commands except

 

 

 

 

DC1 command.

 

 

 

 

Print Suppress Effective item in MENU

 

 

 

 

must be set to "Yes" for this command to

 

 

 

 

be acknowledged.

 

 

Print Suppress Mode Off

ASCII: DC1

Clears Print Suppress Mode, re-

 

 

 

Dec: 17

activating printer to once again process

 

 

 

Hex: 11

all data received.

 

 

Disable Paper-Out

ASCII: ESC 8

OKI unique command. Disables paper-

 

 

Sensor

Dec: 27 56

out sensor, even if Paper Out Override

 

 

 

Hex: 1B 38

in MENU is set to "On" the (factory de-

 

 

 

 

fault). If data flows onto next page and

 

 

 

 

reaches top of form setting for that page,

 

 

 

 

printer ALARM light will come on to in-

 

 

 

 

dicate paper-out error.

 

 

Enable Paper-Out

ASCII: ESC 9

OKI unique command. Enables paper-

 

 

Sensor

Dec: 27 57

out sensor to detect when less than 1/

 

 

 

Hex: 1B 39

2

 

 

 

inch of paper is left. When ALARM light

 

 

 

 

is on, pressing SELECT prints 1 line of

 

 

 

 

data at a time until the top of form set-

 

 

 

 

ting for the next page is reached.

 

 

 

 

Sensor can also be controlled by the

 

 

 

 

menu.

 

 

Half-Speed

ASCII: ESC s n

Prints at 50% of normal speed to reduce

 

 

Printing On/ Off

Dec: 27 115 n

noise.

 

 

 

Hex: 1B 73 n

n=1: Half-speed printing On

 

 

 

 

n=0: Half-speed printing Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ML790/791 Printer Handbook

97