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ROHM SH3004-DC70A User Guide

Summary

An advanced near-edge thermal printhead engineered for demanding industrial printing applications requiring continuous, high-speed operation. Designed with "STEP FREE" technology and optimized for large platen sizes, it is ideal for labeling, barcode, packaging, ticket, and ATM printers seeking reliability and corrosion resistance. This manual provides comprehensive technical specifications, electrical schematics, pin assignments, and operational parameters necessary for seamless integration into commercial printing systems.

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Page 1 Text Content

SH3004-DC70A Printhead

Near edge thermal printhead (with thermal historical control)

SH3004-DC70A .5

BU9630

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 Barcode printer Label printer Packaging printer Ticket printer Scale printer ATM

Features 2. 8± 0. 7. 3± 0. 1) ROHM new technology “STEP FREE” structure will provide, high corrosion resistance, better resistance against .4 5± 0.

scratching damage, high efficiency. rin

t D ire ct io

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 at 300dpi with clear print image.

External dimensions (Unit : mm)

DOT No.1

Max.4.5

Max.11

Type of PRINTHEAD

#1 CONNECTOR:BCONNECTOR:A

3-M3 100±0.2 Effective Depth 3

φ3 H10 14.208±0.3 φ3 H10 Length 4 Effective Depth 3 Effective Depth 3

80±0.3 DOT No.1

Page Summary Contents For ROHM SH3004-DC70A User Guide

Page 1 SH3004-DC70A Printhead Near edge thermal printhead (with thermal historical control) SH3004-DC70A .5 BU9630 SH-DC70 series was developed with two key structures step-free and near edge for the packagi...
Page 2 SH3004-DC70A Printhead Equivalent circuit DOT #1280 DOT #1 VH (COM) VDD (+5) / STB2 / STB1 / RESET LATCH REGISTER SHIFT SHIFT REGISTER REGISTER CLK (CP) DI2 DI1 / LOAD START TO EACH IC INC THERMISTOR ...
Page 3 SH3004-DC70A Printhead Characteristics Parameter Symbol Typical Unit Effective printing width 108.416 mm Dot pitch 0.0847 mm Total dot number dots Average resistance value Rave Applied voltage VH Appl...
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 62.84 KB
Published July 07, 2026
3 views

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Frequently Asked Questions

What printing applications is this printhead suitable for?

It is suitable for barcode, label, packaging, ticket, scale, and ATM printers.

Does the near-edge structure allow flexible ink compatibility?

Yes, it is applicable to large-size platens and can use resin type thermal-transfer ink-ribbon.

What is the abrasion life guarantee of the W-coat protective layer?

The "W-coat" employed provides a minimum abrasion lifetime of 150km.

Can this device be used with equipment requiring extremely high reliability?

No, if you intend to use it for critical devices (like medical or aerospace machinery), you must consult our sales representative first.