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1.

 

Introduction 

Thank you for choosing out thermal label printer. This product has high printing quality and  performance at 
economic price. Thermal printer is easy in use and has powerful functions.  

              CAUTION, NOTE 

 

CAUTION: 

CAUTIONS MUST BE OBEYED TO AVOID MINOR INJURY TO YOURSELF, DAMAGE TO 

EQUIPMENT, OR LOSS OF DATA. 

 

NOTE: 

IMPORTANT INFORMATION AND TIPS FOR PRINTERS OPERATION.

 

 

1.1

 

Safety warnings 

Please read the below warnings and notes carefully before using the printer. 

CAUTION: 

DO NOT TOUCH THE THERMAL HEAD AND ITS SURROUNDINGS DURING USE OR 

IMMEDIATELY AFTER USE. AFTER PRINTING, THE THERMAL HEAD AND ITS SURROUNDINGS CAN 
BE VERY HOT. 

 CAUTION: 

DO NOT TOUCH THE PRINTER HEAD AND PLUG-IN PARTS TO AVOID DAMAGE OF THE 

THERMAL HEAD.  

CAUTION: 

DO NOT TOUCH THE PAPER TEAR-OFF KNIFE TO AVOID GETTING HARM. 

1.2

 

Safety notice 

 

Do not damage the thermal head by touching it with your fingers or any hard object. 

 

Do not touch the cutter blade. 

 

Do not bend the power cord excessively or place any heavy objects onto it. 

 

Do not use printer when it is out of order. This may cause a fire or/and electrocution. 

 

Always hold the plug , not the cord when connecting or disconnecting the plug. 

 

Keep the desiccant out of children’s reach. 

 

 

Use only approved accessories and do not try to disassemble, repair or remodel it by yourself. 

 

Install the printer on the stable surface. Choose firm, flat surface to avoid vibration. 

 

Do not let water or other foreign objects into inside of the printer. 

 

Do not connect a telephone line into peripheral drive connector. 

 

We recommend to unplug the printer from the power outlet if no use it for long period. 

2. General information 

2.1 Introduction 

Thermal label printer is designed for real-time batch label printing, which is applicable in the field of 
transportation, logistics, post, retail sale etc. The printer can be connected to other equipment with various 
interface cards, such as: parallel, serial, USB and LAN. It supports different paper media, including thermal 
paper roll, thermal label paper and sticker paper

The printer provides direct thermal printing at selectable printing speed of 2.0, 3.0, 4.0 and 5.0 inches per 
second. It accepts roll feed, die-cut and fan-fold labels. All common bar code formants are available.  

Summary of Contents for 50242

Page 1: ...USER GUIDE THERMAL PRINTER MODEL 50242 www qoltec com...

Page 2: ...ication 6 5 1 Specification table 6 6 Setting up the printer 7 6 1 Unpacking 7 6 2 Power cable connection 7 6 3 Data cable connection 7 6 4 Media installation 7 7 Power on utilities 8 7 1 Self test 8...

Page 3: ...printer when it is out of order This may cause a fire or and electrocution Always hold the plug not the cord when connecting or disconnecting the plug Keep the desiccant out of children s reach Use o...

Page 4: ...printing media width from 16 mm to 82 mm Auto paper adjusting function Auto temperature control for durable printing Module design for different application 3 Printer parts 1 top cover 2 base housing...

Page 5: ...spindle 25 peel off roller 4 Paper roll installation 1 Insert the paper roll spindle into a paper roll and place the paper roll into the printer Fixing tab on the paper roll spindle should be inside...

Page 6: ...P 330B Dram 4M Flash 4M XP 350B Printer head temperature sensor Thermal sensitive resistance Printer head position sensor Micro switch Paper direction sensor Photoelectricity sensor Interface Parallel...

Page 7: ...ist If any parts are missing or damaged please contact the customer service of your reseller or distributor 6 2 Power cable connection 1 Make sure that printer power switch is in OFF position 2 The pr...

Page 8: ...ED button 7 2 Gap sensor calibration Gap sensor sensitivity should be calibrated at the following conditions 1 A brand new printer 2 Label stock changed 3 Printer initialization This function is to re...

Page 9: ...s and hold on the PAUSE button then turn on the printer power When the POWER indicator blue light dims and ERROR indicator red light light release both buttons The printer skips running the AUTO BAS p...

Page 10: ...wer 2 Make sure that the paper roll is installed correctly and the printer top cover is closed 3 Press the FEED button and turn on the printer power simultaneously When the self test paper comes out r...

Page 11: ...t with water dampened cloth Interior Use a vacuum cleaner or blower brush to remove the dust Note Always turn off the printer before cleaning the printer Do not touch printer head by hand Tweezers is...

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