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ROHM SE2002-DC70A User Guide and Manual

Summary

The SE2002-DC70A is a high-speed, durable thermal printhead engineered for demanding printing applications. Featuring ROHM's innovative "Step Free" structure and enhanced W-coat technology, it ensures superior longevity, corrosion resistance, and crystal-clear prints up to 300mm/s. This manual provides detailed specifications, electrical diagrams, and integration guides for professionals using label, barcode, packaging, ATM, and ticket printers who require reliable, high-performance thermal solutions.

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Page 1 Text Content

SE2002-DC70A Printheads Under development

High speed thermal printhead (3 6) (with thermal historical control)

SE2002-DC70A High speed, high quality, and high durability are achieved by using step free structure with high performance partial glaze and highly conductive overcoat layer. SE200*-DC70A series are lined up which can accommodate with all types of barcode labeling printers from Direct to Thermal Transfer, normal to high speed (over 300mm/s).

Applications Bar code printer IN .4 .3

Label printer .4

Packaging printer (2 1. 3)

ATM Ticket printer

Features 1) ROHM new technology “STEP FREE” structure will provide, high corrosion resistance, better resistance against scratching damage, high efficiency. 2) High-hardness protect cote type “W-coat” is employed with 150km abrasion life-time. 3) A built in history-control functionality, high-speed printing up to 300mm / s can be achieved with clear print image.

External dimensions (Unit : mm)

DOT No.1DOT No.448 MAX.φ20

56(5) (Effective print width)

MAX.5

MAX.10

CONNECTOR:A CONNECTOR:B

#1 #19 φ3 H10 Length 4 Effective Depth 3

Effective Depth 3 8±0.3 M3

Effective Depth 3

Page Summary Contents For ROHM SE2002-DC70A User Guide and Manual

Page 1 SE2002-DC70A Printheads Under development High speed thermal printhead (3 6) (with thermal historical control) SE2002-DC70A High speed, high quality, and high durability are achieved by using step fre...
Page 2 SE2002-DC70A Printheads Under development Equivalent circuit DOT #448 DOT #1 VH (COM) VDD (+5) / STB2 / STB1 / RESET LATCH REGISTER CLK (CP) DI / LOAD START TO EACH IC INC THERMISTOR 30kΩ B: 3950 DI N...
Page 3 SE2002-DC70A Printheads Under development Characteristics Parameter Symbol Typical Unit Effective printing width 56.0 mm Dot pitch 0.125 mm Total dot number dots Average resistance value Rave Applied ...
Page 4 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject...

Manual Details

Brand ROHM
Pages 4
File Size 67.05 KB
Published June 16, 2026
4 views

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Frequently Asked Questions

What printers is the SE2002-DC70A printhead suitable for?

It accommodates all types of barcode labeling printers, including Direct Thermal Transfer printers, and supports normal to high speeds (over 300mm/s).

How many dots does the SE2002-DC70A printhead have?

It has a total of 448 dots.

What is the maximum printing speed of this printhead?

It achieves high-speed printing up to 300mm/s with clear image quality.

Which protective feature extends the printhead's abrasion life?

The high-hardness W-coat provides an abrasion lifetime of at least 150km.

What is the effective printing width?

The effective print width is 56.0 mm.

What operating temperature range does it support?

The operating temperature ranges from 5 to 45 degrees Celsius.

What corrosion protection does it offer?

The STEP FREE structure provides high corrosion resistance and better resistance against scratching damage.