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ROHM SH3002-DC70A User Guide

Summary

Enhance your industrial printing solutions with this professional-grade near-edge thermal printhead. Engineered for high-speed, continuous operation, it features advanced "STEP FREE" technology and built-in history control, ensuring crystal-clear results across demanding factory lines. The manual provides comprehensive technical specifications, electrical schematics, and integrated parameters, making it ideal for manufacturers of label printers, bar code systems, packaging units, and ticket/ATM devices requiring maximum uptime and reliability.

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SH3002-DC70A

Printheads

Near edge thermal printhead (with thermal historical control) SH3002-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 rin t D

ire ct io

printing is required.

Applications Bar code printer Label printer Packaging printer ATM Ticket printer

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

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 at 300dpi with clear print image.

External dimensions (Unit : mm)

66±0.5 DOT No.1DOT No.640 6±0.5 40±0.3 (13)

54.208(5.896) SECTION A 20±0.3

φ3 H10 Length 4

MAX.4.5

MAX.11 φ3 H10

Effective Depth 3

M3 Effective Depth 3

CONNECTOR A CONNECTOR B

TYPE OF PRINTHEAD

Page Summary Contents For ROHM SH3002-DC70A User Guide

Page 1 SH3002-DC70A Printheads Near edge thermal printhead (with thermal historical control) SH3002-DC70A SH-DC70 series was developed with two key structures step-free and near edge for the packaging printe...
Page 2 SH3002-DC70A Printheads Equivalent circuit DOT #640 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 SH3002-DC70A Printheads Characteristics Parameter Symbol Typical Unit Effective printing width 54.2 mm Dot pitch 0.0847 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 57.06 KB
Published May 29, 2026
52 views

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Frequently Asked Questions

What kinds of ink ribbons are compatible with this printhead's near-edge structure?

The near-edge structure allows the use of resin type thermal-transfer ink-ribbon.

Does this printhead feature high-speed control capabilities?

Yes, it includes a built-in history-control functionality and can achieve speeds up to 300mm/s at 300dpi.

What is the operating temperature range for the device?

The operational temperature is specified as -5 °C to 45 °C.

Are there recommendations for using this printhead in critical life-support machinery?

If used with equipment requiring extremely high reliability (like medical or nuclear controllers), consult a sales representative beforehand.