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12 

 

Please follow the steps below to calibrate the ribbon and gap/black mark sensor: 
1.

 

Turn off the printer. 

2.

 

Turn on the printer while holding down the feed button. 

3.

 

When the indicator blinks red after the first purple, release the feed button. 

 

Indicator color cycle mode:

 

Purple 

Blue 

Red (blink 5 times) 

Purple (blink 5 times) 

Blue (blink 5 times) 

Blue (fixed) 

 

Note: 
Whether the printer volume label sensor detects the gap or the black mark depends on the 

GAP 

or 

BLINE 

command sent to the printer (with your last  set  value as  the reference value, the default 

value  of  the  printer  sensor  is  set  to  gap  calibration);  for  more  information  on 

GAP 

and 

BLINE 

commands, please refer to the 

TSPL2 programming manual

 

4.3.2

 

Gap/black mark sensor detection; printing self-test value and entering the 

debugging mode 

 

This test aims to determine the sensitivity of the label paper sensor after the printer is turned on. 
When  the  user  installs  a  new  paper  roll  of  a  different  specification  or  initializes  the  printer  and 
restores  it  to  the  factory  default  value,  the  label  paper  gap  sensor  needs  to  be  re-measured.  The  
gap  detection  or  black  line  mark  calibration  will  be  completed  with  your  last  set  value  as  the 
reference value. The default value of this printer sensor is set to gap calibration. 

 

Please follow the steps below to calibrate the label paper by the sensor: 

1

Make sure that the label paper is properly installed 

2

Turn off the printer 

3

Turn on the printer while holding down the feed button 

4

When the indicator blinks purple after the first purple, release the feed button 

 

Indicator color cycle mode: 
Purple 

Blue 

Red (blink 5 times) 

Purple (blink 5 times) 

Blue (blink 5 times) 

Blue (fixed) 

5

The sensor will calibrate the label paper and the printer will print out the self-test value, and 

finally enter the debugging mode and print out the value 

6

Turn the machine off and on again to return the printer to the normal printing mode 

 

 

Note: 
Before carrying out the label paper sensor calibration, first confirm the type of label to be detected 
with 

Diagnostic  Tool 

or 

GAP/BLINE 

command.  For  more  information  on 

GAP 

and 

BLINE 

commands, please refer to the 

TSPL2 programming manual

 

Self-test

 

When  the  sensor  calibration  is  completed,  the  printer  prints  out  the  self-test  value.  Before 

connecting  the  printer  to  your  computer,  you  can  use  self-test  to  confirm  that  the  printer  is 
functioning properly. The self-test info can be used to check the printing quality of the print head 
and know the internal settings of the printer. 

 

 

Internal settings of printer printed in the self-test mode 

Summary of Contents for LDT114

Page 1: ...Direct Thermal Printer LABEL PRINTER USER MANUAL...

Page 2: ...ipping mode optional 9 3 5 Install the cutter optional 10 IV LED indicator and button functions 10 4 1 LED indicator 10 4 2 General button functions 11 4 3 Boot function 11 V Diagnostic Tool 17 5 1 En...

Page 3: ...to change without notice and does not represent a commitment on thepart No part of this manual may be reproduced or transmitted in any form by any means for any purpose other than the purchaser s pers...

Page 4: ...of your body away from the paper exit to avoid crushing injury 2 If the button battery RTC contained in the main board is not replaced correctly the main board cannot be used normally 3 Please dispose...

Page 5: ...nters The LDT114 series printer provides thermal printing The printing speed is adjustable from 2 0 3 0 4 0 5 0 to 6 0 inches per second It applies to a variety of printing materials including paper r...

Page 6: ...he printer 2 1 Unpacking and checking accessories Once you have received your barcode printer place it on a clean steady table and carefully remove the packaging materials Check if the following items...

Page 7: ...el Cover hook 2 2 2 Rear view 1 Power switch 2 Power socket 3 USB interface 4 Ethernet interface 5 SD card slot 1 2 3 4 5 Note The transmission interfaces of the printer in the picture will vary depen...

Page 8: ...rt cable or USB cable into the slot on the back of the printer and connect the other end of the cable to the appropriate slot of your computer 3 Plug the power cord into the power slot on the back of...

Page 9: ...ok forward with both hands to open the printercover 3 Place the label roll on the label roll holder Print sideup 4 Pass the label through the paper guide and pull the label over the rubberroller Print...

Page 10: ...onal 1 Push the cover hook forward with both hands to open the upper cover of theprinter 2 Dismantle the front panel insert the peel off cable into the corresponding socket hole 3 Install the peel off...

Page 11: ...ont panel 2 Pass the label through the paper guide and pull the label over the rubberroller 3 Pass the label through the backing paper exit under the roller as shown by the blue dotted line below 4 Ad...

Page 12: ...push the cutter module downward to lock the lower innercover 5 Reinstall the upper cover on the printer IV LED indicator and button functions This printer has one button and one indicator that can dis...

Page 13: ...ter 2 Turn on the printer while holding down the button 3 Release the button with the light signal indicating the required function as listed in the table below Boot function Indicator color cycle mod...

Page 14: ...as the reference value The default value of this printer sensor is set to gap calibration Please follow the steps below to calibrate the label paper by the sensor 1 Make sure that the label paper is...

Page 15: ...rsion Machine serial number Print head mileage Check code Serial port setting Character set Country code Printing speed Printing density Paper size width height Black mark or gap size vertical gap off...

Page 16: ...he left are the data received by the system The data on the right are printed from the strings on the left in hexadecimal values This function is provided for users or engineers to debug programs You...

Page 17: ...ator color will cycle as follows Indicator color cycle mode Purple Blue Red blink 5 times Purple blink 5 times Blue blink 5 times Blue fixed 3 Release the feed button when the power indicator is blink...

Page 18: ...BAS after power on you can use this boot function to ignore this auto execute file Please follow the steps below to skip AUTO BAS 1 Turn off the power 2 Hold down the feed button and turn on the power...

Page 19: ...s creation and download of dot matrix fonts transmission of commands or files and so on By using it you can complete the printer setup check the printer status and troubleshoot the printer usage probl...

Page 20: ...e Diagnostic Tool 5 3 1 Automatic correction 1 Make sure that the paper is installed correctly and the print head is closed 2 Turn on the printer 3 Start the Diagnostic Tool and set the transmission i...

Page 21: ...ansmission no changes need to be made to the settings 5 In the printer functions page click the Network Setting button in the printer functions to set IP subnet mask and gateway 5 4 2 Setting via Ethe...

Page 22: ...nter name or Set IP button the printer will reset its value 8 Press the Exit button to leave this TCP IP Setup screen and return to the main screen of the Diagnostic Tool program Factory default value...

Page 23: ...that the AC socket and the power supply plug are properly connected to the printer Turn on the power switch The Diagnostic Tool displays Head open The cover of printer is not closed Close the cover o...

Page 24: ...the IP address setting is correct when it uses a fixed IP address Wait a few seconds for the printer to contact the server and then check the IP address again Replace it with a new transmission line C...

Page 25: ...the left of the printed label adjust and increase the value of the pressure adjusting knob on the left side If the value is already 5 but it is still too light adjust the value of the pressure adjusti...

Page 26: ...ot correct after restarting the printer The battery is dead Check the battery on the main board Wrinkle problem The print head pressure is uneven The label paper is installed incorrectly The printing...

Page 27: ...r roller carefully wipe it with a cotton cloth or cotton swab dipped in medical alcohol When installing a new roll of label paper Paper tearing off piece Paper stripping piece Wipe it with a cotton cl...

Page 28: ...Class A product that may cause radio interference in a living environment In such case user may need to take practical measures accordingly Update history Date Content Editor August 12 2019 First iss...

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