This is the instruction manual for SH2004-DC90A. This print head has high corrosion resistance, high anti-scratching ability and high efficiency. It is suitable for printers on industrial production lines that require continuous fast printing.
The SH2004-DC90A is a near‑edge thermal printhead designed for high‑speed, continuous printing in barcode, card, ticket, and general‑purpose compact printers. Its STEP‑FREE structure offers high corrosion resistance, low profile installation, and the ability to print directly on thick media.
The datasheet lists key dimensions, electrical parameters, pin assignments, timing charts, and characteristic curves, along with notes on heat‑history control and compatibility with the SH3004-DC90A series.
| Effective printing width | 112 mm |
|---|---|
| Dot pitch | 0.125 mm |
| Total dot number | 896 dots |
| Average resistance value | 550 Ω |
| Applied voltage | 24 V |
| Applied power | 0.91 W/dot |
| Print cycle | 0.42 ms |
| Maximum clock frequency | 10 MHz |
| Operating temperature | 5 to 45 °C |
| Running life / pulse life | 50 / 10⁸ km / pulses |
| Mechanical compatibility | SH3004-DC90A (300dpi) |
The effective printing width is 112 mm.
The printhead operates at an applied voltage of 24 V.
It is compatible with the SH3004-DC90A (300 dpi) series.
The maximum clock frequency is 10 MHz.