GPRINTER GP-2120T User Manual
Proficient in Commercial POS Receipt Printers
GP-2120T
User’s Manual
Therm al Barcode P rinter
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1. Introduction..............................................................................................2
1.1 Safety Warning ..........................................................................................................2
1.2 Note ...........................................................................................................................2
2. General Information ................................................................................3
2.1 Introduction ................................................................................................................3
2.2 Main Features ............................................................................................................3
3. Printer Parts ...........................................................................................3
4. Paper Roll Installation ............................................................................5
5. Specification ...........................................................................................8
6. Quick Start .............................................................................................10
6.1 Unpacking ................................................................................................................10
6.2 Power Cable Connection .........................................................................................10
6.3 Data Cable Connection ............................................................................................10
6.4 Media Installation .....................................................................................................10
7. Power On Utilities .................................................................................10
7.1 Self-Test ...................................................................................................................10
7.2 Gap Sensor Calibration ...........................................................................................11
7.3 Hexadecimal Dumping .............................................................................................12
7.4 Skip AUTO.BAS .......................................................................................................12
7.5 Printer Initialization ...................................................................................................13
8. Indicators and Buttons..........................................................................13
8.1 Indicators ..................................................................................................................13
8.2 Buttons .....................................................................................................................13
9. Maintenance ..........................................................................................14
9.1 Printer Cleaning .......................................................................................................14
Thermal Barcode Printer
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1 、Introduction
Thanks for choosing our new thermal label printer GP-2120T. This product provides
reliable performance and high printing quality at economic price. With powerful functions
and easy operation design, GP-2120T is your best choice of thermal label printer.
CAUTION, NOTE
CAUTION: MUST COMPLY, OTHERWISE HUMAN GET HARM AND DEVICES
DAMAGE.
NOTE: IMPORTANT INFOMATION AND TIPS FOR PRINTERS OPERATION.
SAFETY WARNING
PLEASE READ THE BELOW WARNINGS AND NOTES CAREFULLY BEFORE USING
THE PRINTER.
1.1 SAFETY WARNING
CAUTION: THE PRINT HEAD IS A HEATED PART, PLEASE DO NOT TOUCH THE
PRINT HEAD AND OTHER PARTS AROUND IT IN AND AFTER THE PRINTING
PROCESS.
CAUTION: DO NOT TOUCH THE PRINT HEAD AND PLUG-IN PARTS TO AVOID
PRINT HEAD DAMAGE.
CAUTION: DO NOT TOUCH THE PAPER TEAR-OFF KNIFE TO AVAOD GETTING
HARM.
Thermal Barcode Printer
1.2. Safety Notice:
1. Install the printer on the stable surface.Choose firm and level surface where avoid
vibration.
2. Keep enough space for printer operation and maintenance.
3. Keep printer away from water, sunshine, high lights and heat source.
4. Do not use and store the printer under high temperature, moist and seriously polluted
environment.
5. Avoid to put the printer in shaky areas.
6. Condensation of moisture on the printer surface is not allowed. If failed, do not turn on
the printer until dew disppears.
7. Connect AC power adapter to a proper power outlet. Avoid to use the same outlet with
other large electric machines which generate voltage fluctuation.
8.Please unplug the printer power cord from outlet when you do not plan to use it for long
period.
9.Do not let water or conducting material (eg. metal) into the printer.
10.Do not print when it is out of paper, which will seriously damage the printer head and
rubber roller.
11. Make sure printer power is turned off when connecting and disconnecting with the
interface.
12. When printing quality meet your needs, we recommend you set low grade print
density.
13.Do not try to disassemble, repair or remodel the printer by yourself.
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2 、General Information
2.1 Introduction
GP-2120T is designed for real-time and batch label printing, which is applicable in the
field of transportation, logistics, post, retail sale, and etc. The printer can be connected
with other equipment with various interface cards, such as Serial, USB ,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 formats are available. Font and bar codes can be printed in 4 directions and
in 1 to 10 times enlargement size. High performance and efficiency of label printing
save your time!
2.2 Main Features
● Support thermal paper roll, thermal label paper and sticker paper.
● Support printing media width from 20mm to 60mm.
● Auto paper adjusting function.
● Auto temperature control for durable printing.
● Module design for different application.
3 、Printer Parts
1- Top Cover 2- Base housing 3- Top Cover Open Button
4- 5- 6- Feed Button
7- Pause Button 8- Error Indicator 9- ONLINE/POWER Indicator
Release Paper Exit Label Exit
Thermal Barcode Printer
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10- Power Switch 11- Power Port 12- Cashdrawer Port
13- USB Port 14-Serial Port
15- Print Head 16- Paper Roll 17- 18- Paper Presence Sensor
19- Peel-off Roller Lever 20- Light Transmission Sensor Light Source
21- Paper Roll Spindle 22- Peel-off Spindle 23- Peel-off Roller
Limiting Block
Thermal Barcode Printer
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