Chapter 9: Vertical Control Commands 89
Perform Line Feed Command (IBM)
⻬ ML320 E/I, ML321 E/I ⻬ ML320 Turbo, ML321 Turbo ⻬ ML520, ML521
⻬ ML390 Turbo, ML391 Turbo ⻬ ML590, ML591
Function ASCII Dec Hex
Set Line Feed Stored by ESC A n ESC 2 27 50 1B 32
The ESC 2 command sets the line feed value stored using the ESC A n command described later
in this chapter under “Line Spacing Commands.” It must follow the ESC A n command—if it
doesn’t, the printer will reset the line spacing to the current menu setting.
Auto Line Feed On/Off Commands (IBM)
⻬ ML320 E/I, ML321 E/I ⻬ ML320 Turbo, ML321 Turbo ⻬ ML520, ML521
⻬ ML390 Turbo, ML391 Turbo ⻬ ML590, ML591
Function ASCII Dec Hex
Auto Line Feed On ESC 5 1 27 53 1 1B 35 01
Auto Line Feed Off ESC 5 0 27 53 0 1B 35 00
When you activate automatic line feed, the printer will add a line feed to each carriage return
code it receives. You can also control this feature through the printer menu (see "Menu Mode"
in your printer manual).
Reverse Line Feed Commands (IBM/E/ML)
⻬ ML320 E/I, ML321 E/I ⻬ ML320 Turbo, ML321 Turbo ⻬ ML520, ML521
⻬ ML320 Std., ML321 Std. ⻬ ML590, ML591
Function IBM Epson ML
9-Pin Models
Reverse Line Feed ASCII: ESC ]
Dec: 27 93
Hex: 1B 5D
Set in multiples
of 1/216": see
command below
ASCII: ESC LF
Dec: 27 10
Hex: 1B 0A
n/216" Reverse Line Feed Not applicable ASCII: ESC j n
Dec: 27 106 n
Hex: 1B 6A n
Not applicable
24-Pin Models
n/180" Reverse Line Feed Not applicable
ASCII: ESC j n
Dec: 27 106 n
Hex: 1B 6A n
Not applicable
Use the reverse line feed command to move the print position up instead of down. Be careful
when using reverse line feeds with the optional pull tractor: print registration may be affected.
In the Epson emulation, the reverse line feed command causes the printer to finish printing the
line, then move the print position up an amount equal to n/216": n can be any whole number
from 0 to 255. If you use n = 0, the command will be ignored. No carriage return is executed,
regardless of the setting for Auto CR in the menu (see “Menu Mode” in your printer manual).
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