Understanding the Basics of Date Coding

Date coding is a small but critical aspect of manufacturing, containing production-related information, which is essential for both consumer and manufacturer traceability and for ensuring consistent output. For example, date coding on perishable goods often serves to help consumers determine product freshness, while batch numbers (also a part of date coding, sometimes shown as a Batch Code) help manufacturers identify defective products.

The use of date coding also extends beyond just these utilitarian reasons; the coding is often mandated by federal regulation depending on the specific industry, especially for perishable goods such as food and medicine, and many retailers use “Best Buy” to manage shelf rotation.

Date coding differs from industry to industry, but most consumer products have their manufactured date and lot/batch Number printed on the label, often alongside “Best Buy” where relevant. Manufacturers use a range of different labels and codes for different purposes, including “Best Buy” and other date formats. Some codes are used to keep track of inventory and stock levels, while others provide valuable information to consumers, retailers, and businesses. In retail, date coding supports shelf management and helps a retailer decide when to rotate stock; consumers often see the same guidance when shopping in a store and comparing “Best Buy” or “best by” dates. Due to the diversity of regulations governing each industry, there are several different types of date codes, and some of the most common examples are included below.

Despite vast differences between industry-specific coding regulations and standards, having the right hardware for date coding is a must for many businesses, especially when continuous production leaves little room for a stop. It’s important to note that date coding printers aren’t the type of equipment you want to cut corners on, as illegible codes and misprinted information can force a stop, create interruption, and damage a business.

• Food packaging
• Beverage bottling and canning
• Pharmaceutical companies
• Wire and cable
• Pipe and Tubing
• Electronics industry

There are several key factors worth considering when choosing an expiration date coding solution, and most of these stem from your particular application.

For example, different date coding solutions work better with different materials, so considering the nature of the product and its packaging is important. Most modern date coders are compatible with different printing substrates, such as glass, plastic, metal, paper, wood, etc.

Print durability and print quality are also important considerations. For example, there’s no need to invest in solutions that print durable codes for products with a relatively short shelf life. When deciding on print quality and durability, it’s also important to consider the storage environment—external factors might influence print durability.

Technical specifications, such as speed, efficiency, flexibility, industry-specific standard compliance, and ease of integration in pre-existing systems, are all crucial factors worth considering when choosing a date coding printer best suited for your application.

Date coding is a process of printing valuable information about the product for both consumers and manufacturers. As such, its legibility, durability, and quality of print are closely tied to the quality of the date coding printer equipment, which is why you shouldn’t shy away from investing in reliable, continuous printing. When evaluating options, look at CIJ printers and other Code Printer types in terms of uptime, print quality, and integration requirements, and review any available reviews that cover real-world performance in continuous packaging environments.

If you’re interested in date coding printers, contact KEYENCE and check out their MK-G Series date coding printer.