A label printer prints adhesive labels for products, shelves, cartons and food containers. Typical uses are barcodes, price tickets, shelf-edge labels, shipping labels and date labels for prepared food.
Two main technologies are used. Direct thermal printers heat special paper, which suits short-life labels such as shipping and food prep. Thermal transfer printers melt a wax or resin ribbon onto the label, which gives longer-lasting prints that resist heat, abrasion and moisture, and suits labels that must last on stock. Printers are driven by software that pulls product data, such as a GTIN and price, from the inventory system.
Retailers print labels when receiving stock, when marking down items or when a product has no barcode of its own. Kitchens print day-of-prep and use-by labels so staff know when something must be used or thrown out, which supports food safety and first-in, first-out rotation.
Pitfalls include using the wrong label size or adhesive, unreadable barcodes caused by low print quality, and labels that peel from cold or damp surfaces. Printer drivers and software settings also need to match the label template.
The right label printer keeps stock identifiable and scannable, and reduces mislabelling and manual writing. Keeping spare label rolls and ribbons on hand avoids a stalled receiving or prep routine.