Remarks:
The character representation must be selected in such a way that no
two horizontally consecutive dots are set. If this rule is breached, the
printer will remove every second dot to avoid mechanical malfunctions.
ESC U n
Function:
Unidirectional Print ON/OFF
Code:
<1B> H <55> H <n>
Range:
0
≤
n
≤
255
Description:
With this command, it is decided whether the print head should print in
only one or in both directions.
Only bit 0 of n is relevant; bits 1 ... 7 can have arbitrary values.
Bit 0 = 0:
Unidirectional Print off
Bit 0 = 1:
Unidirectional Print on
Remarks:
With Unidirectional Print ON, printing occurs from left to right.
Default:
n = 0
Description
Control Sequences
GB - 56