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ROHM SH2004-DC70A User Guide

Summary

The SH2004-DC70A is a professional, near-edge thermal printhead designed for industrial applications requiring high-speed, continuous printing. Featuring advanced "step-free" structure technology and built-in history control, this head offers superior corrosion resistance and durability for large-scale labels. It is ideal for factory lines and professionals using bar code, label, packaging, ATM, or ticket printers that demand reliable, 24/7 performance up to 300mm/s.

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SH2004-DC70A Printheads

Near edge thermal printhead

(with thermal historical control) .0 0.

SH2004-DC70A

SH-DC70 series was developed with two key structures step-free and near edge for the packaging printer market which requires high speed continuous printing. It is suitable for printers in factory line where high speed 24 hours continuous printing is required.

Applications Bar code printer Label printer

Packaging printer 7. 3± 0. .4 5± 0.

ATM (2 1. 2)

rin t D ire ct io

Ticket printer

Features 1) ROHM new technology “STEP FREE” structure will provide, high corrosion resistance, better resistance against scratching damage, high efficiency. 2) Head inclination by near-edge structure, applicable to the large-size platen. Resin type thermal-transfer ink-ribbon can be used. 3) High-hardness protect cote type “W-coat” is employed with 150km abrasion life-time. 4) 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.1

(10) (Effective print width)

Max.5.5

Max.12

5.7° (Typ.)

#1 CONNECTOR:BCONNECTOR:A

Type of PRINTHEAD #19

3-M3 100±0.2 Effective Depth 3

φ3 H10 Length 4Effective Depth 3 80±0.3 Effective Depth 3

DOT No.1

Page Summary Contents For ROHM SH2004-DC70A User Guide

Page 1 SH2004-DC70A Printheads Near edge thermal printhead (with thermal historical control) .0 0. SH2004-DC70A SH-DC70 series was developed with two key structures step-free and near edge for the packaging ...
Page 2 SH2004-DC70A Printheads Equivalent circuit DOT #832 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 No. DOT No. / STB N...
Page 3 SH2004-DC70A Printheads Characteristics Parameter Symbol Typical Unit Effective printing width 104.0 mm Dot pitch 0.125 mm Total dot number dots Average resistance value Rave Applied voltage VH Applie...
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 70.01 KB
Published June 15, 2026
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Frequently Asked Questions

What types of printing applications is this printhead suitable for?

It is suitable for bar code, label, packaging, ATM, and ticket printers.

How does the "near edge" structure benefit large platens?

The near-edge structure allows head inclination, making it applicable to large-size platens.

What can be used as an ink ribbon with this printhead?

Resin type thermal-transfer ink-ribbon can be used.

What is the abrasion life of the 'W-coat' protective coating?

The high-hardness ‘W-coat’ has a reported abrasion life-time of 150km.