TSC TTP-345 TTP-343 Plus Printhead

With a 300 dpi resolution and 1280 individually controlled heating elements, this printhead delivers crisp, high-density barcodes, text, and graphics at up to 5 inches per second. It is the exact replacement part for TSC TTP-345 and TTP-343 Plus printers, ensuring consistent output without recalibration or firmware changes.

Overview

This is a genuine TSC printhead module, part number 98-0280007-20LF, engineered for industrial and commercial label printing. It supports both direct thermal and thermal transfer media, making it versatile for shipping labels, product tags, asset tags, and more. The flat-head design and flexible printed circuit connector allow for straightforward, tool-free installation—simply unlock the old printhead, unplug the ribbon cable, and snap the new one into place.

What stands out

• 300 dpi resolution with 1280 dots across a 104 mm (4.1") print width for sharp, scannable barcodes.
• Long service life: rated for up to 50 km of media or 100 million print pulses.
• User-replaceable module—no special tools or service call required.
• Compatible with both direct thermal and thermal transfer printing.
• High-quality ceramic substrate with thin-film heating elements for even heat distribution.

Technical details

• Printhead type: Flat-head, integrated thermal resistor array
• Resolution: 300 dpi (dots per inch)
• Number of dots: 1280
• Dot pitch: 0.084 mm
• Maximum print width: 104 mm (4.1 inches)
• Maximum print speed: 127 mm/s (5 ips)
• Connector: Flexible Printed Circuit (FPC)
• Material: Ceramic substrate with thin-film heating elements
• Compatible printer models: TSC TTP-345, TSC TTP-343 Plus
• OEM part number: 98-0250001-00LF (also listed as 98-0280007-20LF)
• Condition: New

Our verdict

If your TSC printer is producing faint or streaky labels, this printhead restores it to factory-fresh performance. It's a cost-effective alternative to a new printer, and installation takes only minutes.