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Lukhan LK-T21 User Manual

Lukhan LK-T21
78 pages
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LK-T21
Thermal Receipt Printer
Technical Manual
SEWOO TECH CO., LTD.
www.miniprinter.com

Table of Contents

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Lukhan LK-T21 Specifications

General IconGeneral
BrandLukhan
ModelLK-T21
CategoryPrinter
LanguageEnglish

Summary

General Specifications

Printing Specifications

Details core printing parameters like method, density, width, and speed.

Character Specifications

Lists number of characters, structure, and line counts for different paper widths and fonts.

Auto Cutter and Paper Supply

Describes auto cutter function and paper roll supply method.

Paper Specifications

Details paper type, form, width, roll size, and spool diameter requirements.

Near-end Sensor and Roll Diameter

Details near-end sensor functionality and paper roll size specifications.

Printable Area for EPSON Emulation

Illustrates printable areas for 82.5mm and 80mm paper widths in EPSON Emulation.

Printable Area for STAR Emulation

Illustrates printable areas for 58mm and 82.5mm paper widths in STAR Emulation.

Printing and Cutting Positions

Diagram showing manual-cutter, auto-cutter blade positions, and print dotline.

Internal Buffer and Electrical Characteristics

Specifies internal buffer size and electrical characteristics like voltage and consumption.

EMI and Safety Standards

Lists applied European and North American EMI and safety standards.

Reliability and Environmental Conditions

Provides MCBF, cutter life, and operating/storage environmental parameters.

Configuration

Interface Overview and RS-232 Specifications

Details interface options including RS-232, Centronics, and USB settings.

Centronics Parallel Interface

Details the Centronics parallel interface specifications, pin assignments, and timing.

USB Interface and Data Receiving Timing

Covers USB interface specs and data receiving timing for compatibility mode.

Interface Connector Diagrams

Illustrates physical connectors for serial, parallel, USB, and Ethernet interfaces.

Connectors

Electrical Characteristics and Power Connector

Details electrical specs and the power connector pinout.

Drawer Kick-out Connector

Describes pin assignments and usage for the drawer kick-out connector.

Drawer Kick-out Waveform and Signals

Explains drawer kick-out drive signal output waveform and open/close signals.

Control Command Summary

Command Notation and Print Commands Overview

Explains command notation and introduces the overview of print commands.

Core Printing Commands

Details commands for printing text, line feeds, and tabs (HT, LF, CR, FF).

Status Transmission and Cancellation Commands

Details CAN and DLE EOT commands for status transmission and data cancellation.

Font, Size, and Mode Selection Commands

Covers commands for selecting character font, size, emphasis, and underline.

Bit Image and NV Memory Commands

Explains ESC * command for bit-image modes and NV memory.

Page Mode and Layout Control Commands

Details ESC L, ESC W, ESC T, ESC S commands for page mode operation.

Bar Code Printing Commands

Details GS k command for printing various bar code types.

Paper Cutting and Feeding Commands

Covers GS V command for selecting cut modes and feeding paper.

Execute Paper Cut Commands

Details ESC i (full cut) and ESC m (partial cut) commands for auto cutter operation.