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  5. ESC U

Select your printer model

Parameters are refined by the selected printer.
  • EU-m30
  • TM-J2000
  • TM-J2100
  • TM-L90
  • TM-L90 LFC
  • TM-L100
  • TM-m10
  • TM-m30
  • TM-m30II
  • TM-m30II-H
  • TM-m30III
  • TM-m30III-H
  • TM-m30II-NT
  • TM-m30II-S
  • TM-m30II-SL
  • TM-m50
  • TM-m50II
  • TM-m50II-H
  • TM-P20
  • TM-P20II
  • TM-P60
  • TM-P60II
  • TM-P80
  • TM-P80II
  • TM-T20
  • TM-T20II
  • TM-T20III
  • TM-T20IIIL
  • TM-T20IV-L
  • TM-T20X
  • TM-T20X-II
  • TM-T70
  • TM-T70II
  • TM-T81III
  • TM-T82II
  • TM-T82III
  • TM-T82IIIL
  • TM-T82IV-L
  • TM-T82X
  • TM-T82X-II
  • TM-T83III
  • TM-T83IV
  • TM-T88IV
  • TM-T88V
  • TM-T88VI
  • TM-T88VII
  • TM-T90
  • TM-T100
  • TM-U220
  • TM-U220II
  • TM-U230

ESC U

[Name]

Turn unidirectional print mode on/off

[Format]

ASCII
   
ESC
  
U
  
n
Hex
1B
55
n
Decimal
27
85
n

[Range]

n = 0 – 255

[Default]

n = 0

[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 (in Page mode) or ESC FF.
  • Unidirectional print mode can be turned on when printing double-height characters or graphics or bit image or two-dimensional code to ensure that the top and bottom of the printing patterns are aligned.
  • Settings of this command are effective until ESC @ is executed, the printer is reset, or the power is turned off.
 

Quick Access

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ESC/POS® includes patented or patent pending commands. The contents must not be disclosed to third parties.


ESC/POS® Command Reference for TM Printers

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  2. ESC/POS® Command Reference for TM Printers »
  3. Commands Arranged by Function »
  4. Mechanism Control Commands »
  5. ESC U

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