TTP-243e/243/342 is a barcode label printer produced by TSC. It supports carbon tape with a length of more than 300 meters. It has 512KB memory and an external paper roll frame. It can use large-roll label paper and has an automatic label paper peeling function. Standard black mark sensor. It has self-testing and fault-finding modes.
The Lesain TTP series barcode label printers (models TTP-243E, TTP-243, and TTP-342) are industrial‑grade devices that support ribbons longer than 300 m, include built‑in 5 S12KB memory, and offer optional accessories such as external roll holders and automatic label peelers. They feature a standard black mark sensor, self‑diagnostic and error‑reporting functions, and a range of connectivity options.
The manual details printing modes (thermal transfer/direct thermal), resolutions up to 300 dpi, speeds of 2–3 in/s, maximum print width of 104 mm, and memory configurations of up to 1 MB Flash ROM and 2 MB DRAM. It lists supported 1D and 2D barcode symbologies, operating temperatures (0 °C‑40 °C), storage temperatures (10 °C‑60 °C), power supply (100‑240 V auto‑switching), and certifications (CE, FCC Class A, UL, CUL, TUV). Interface options include RS‑232, Centronics parallel, USB, and RS‑422/485. This manual is written in Chinese.
| Printing mode | Thermal transfer / direct thermal |
|---|---|
| Resolution | 203 dpi (8 dots/mm), 230 dpi (8 dots/mm), 300 dpi (12 dots/mm) |
| Print speed | 3 in/s (76 mm) for TTP‑243E/243, 2 in/s (50.8 mm) for TTP‑342 |
| Maximum print width | 104 mm (4.09 in) |
| Memory | 1 MB Flash ROM, 2 MB DRAM |
| Sensors | Paper gap, paper out, ribbon out, black mark, printhead lift |
| Communication interfaces | RS‑232, Centronics parallel, USB, RS‑422/485 |
| Operating temperature | 0 °C – 40 °C |
| Storage temperature | 10 °C – 60 °C |
| Power supply | 100 V – 240 V auto‑switching |
| Safety certifications | CE, FCC Class A, UL, CUL, TUV |
| Supported 1D barcodes | Code 39, Code 128, Interleaved 2 of 5, EAN‑13, UPC‑A, etc. |
| Supported 2D barcodes | PDF‑417, Maxicode, DataMatrix |
| Maximum ribbon length | 800 m |
It supports both thermal transfer and direct thermal printing.
The printers provide RS‑232, Centronics parallel ports, USB, and RS‑422/485 interfaces.
The devices operate between 0 °C and 40 °C.