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ROHM SE2004-DC90A User Guide and Manual

Summary

Enhance your printing solutions with this professional, high-speed thermal printhead. Featuring ROHM's durable "STEP FREE" technology, it delivers superior corrosion resistance and exceptional printing clarity for barcodes and label applications. This manual provides comprehensive technical specifications, including wiring diagrams, performance parameters, and optimal integration guides. Ideal for manufacturers of compact barcode label printers, ticket systems, and general industrial labeling equipment seeking high reliability and sustained performance at speeds over 300mm/s.

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SE2004-DC90A

Printheads

Hight Speed Thermal Printhead (3 6)

ax . 4 (3 .5

(8dots / mm) SE2004-DC90A 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*-DC90A 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

in . 4 .3

Bar code label printers

Ticket printers

General purpose compact printers

Features 1) ROHM new technology “STEP FREE” structure will provide, high corrosion resistance, better resistance against scratching damage, high efficiency. 2) Standard glazed components to accommodate thick paper. 3) High speed clock to facilitate external heat history control. 4) Using a hard conductive film as a protective film on the heating element offers excellent resistance to electrostatic damage. 5) Compatible with the 300dpi in mechanical specifications, to facilitate the making of a series of printers.

External dimensions (Unit : mm)

DOT No.1

124±0.5 Max.φ20

Max.5 Max.10

#25#1TYPE OF PRINTHEAD JST B6PS-VH

HIROSE HIF3FC-26PA-2.54DS

3-M3 EFFECTIVE DEPTH 3

φ3 H10 LENGTH 4

40±0.3 EFFECTIVE DEPTH 3φ3 H10

EFFECTIVE DEPTH 3

DOT No.1

Note: No heat history control function inside the thermal printhead. External heat history control is required for high speed printing.

Page Summary Contents For ROHM SE2004-DC90A User Guide and Manual

Page 1 SE2004-DC90A Printheads Hight Speed Thermal Printhead (3 6) ax . 4 (3 .5 (8dots / mm) SE2004-DC90A High speed, high quality, and high durability are achieved by using step free structure with high per...
Page 2 SE2004-DC90A Printheads Characteristics Parameter Symbol Typical Unit Effective printing width mm Dot pitch 0.125 mm Total dot number dots Average resistance value Rave Applied voltage VH Applied powe...
Page 3 SE2004-DC90A Printheads Timing chart Min.45ns Min.30ns Min.10ns Min.100ns Min.50ns Min.100ns Min.300ns /STBn DRIVER OUT Max.12.5µs Max.12.5µs Fig.1
Page 4 SE2004-DC90A Printheads Equivalent circuit DOT 1DOT 896 /STB2 /STB1 /LAT LATCH DI 2 DI 1 DI No. DOT No. /STR No. DOT No. DI 2 896∼449 /STB2 896∼449 DI 1 448∼ 1 /STB1 448∼ 1 Fig.2
Page 5 SE2004-DC90A IC IT Printheads Data sheet 1.5 0.50 0.2 LY (M / d ot ENERGY(m J / dot) SCANNING LINE TIME(ms / line) TEMPERATURE : (°C) Fig. 3 Representative density curve Fig. 4 Maximum energy curve Fi...
Page 6 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 6
File Size 86.65 KB
Published July 22, 2026
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Frequently Asked Questions

Which types of printers is this printhead compatible with?

The SE200*-DC90A series can accommodate all barcode labeling printers, from Direct to Thermal Transfer, suitable for both normal and high speed printing (over 300mm/s).

Does the thermal printhead handle internal heat control?

No, there is no heat history control function inside the thermal printhead; external heat history control is required for high-speed printing.

What is the recommended operating temperature range?

The SE2004-DC90A printhead operates within a temperature range of 5 to 45 °C.

What are the key electrical specifications for operation?

The applied voltage (VH) is 24 V, and the average resistance value (Rave) is typically 550 Ω. The maximum clock frequency is 10 MHz.