CONFIDENTIAL
Paper roll Mechanism control commands ESC U
Ver. 10.01 p. 368
ESC U
SETTING COMMAND
[Name] Turn unidirectional print mode on/off
[Format] ASCII ESC U
n
Hex 1B 55
n
Decimal 27 85
n
[Range] 0 ≤
n
≤ 255
[Default]
n
= 0
[Printers not featuring this command] TM-T90, TM-T88III, TM-L90, TM-L60II, TM-P60
[Description] Turns unidirectional print mode on or off.
• When the LSB of
n
is 0, unidirectional print mode is turned off.
• When the LSB of
n
is 1, unidirectional print mode is turned on.
[Notes]
■ This mode can be set independently in standard mode and in page mode.
• When this command is used in standard mode, the printer sets the mode for standard mode.
• When this command is used in page mode, the printer sets the mode for page mode.
■ When unidirectional print mode is turned off, bidirectional print mode is automatically turned on.
■ When page mode is selected, the printer performs unidirectional printing for all data that is to be
collectively printed using FF or ESC FF.
■ Unidirectional print mode can be turned on when printing double-height characters or graphics or bit
image or two dimension code to ensure that the top and bottom of the printing patterns are aligned.
■ The settings of this command are effective until ESC @ is executed, the printer is reset, or the power is
turned off.
[Model-dependent variations] None
Program Example for all printers
PRINT #1, CHR$(&H1B);"U";CHR$(1);
←
Unidirectional print mode turned on
Mechanism control commands
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