Choosing the Right Outer Case Coding Solution
Many companies now want to eliminate labels and print directly onto outer cases. The available options are better than ever. Before you pick a specific printer, you must determine your exact requirements.
Defining Message Size and Content
First, consider your message content and physical size. If you are replacing labels, you likely need a height of 2” or 4”. Most inkjet printers can match this. However, inkjet coding offers a larger “canvas” because you are only limited by the width of the box.
This flexibility allows you to print logos or product information that companies usually pre-print. By printing all information “on-demand,” you can reduce both costs and box inventory.
Managing Print Contrast and Box Color
Most printers use high resolution to render readable barcodes. However, you must consider the color of your box. Darker or recycled corrugate affects contrast and the final “grade” of the code.
In these cases, expect a “Grade C” code. This grade provides consistent readability, but the box color—not the printer—limits the contrast. It is important to understand this physical limitation early in the process.
Ensuring Accurate Printer Positioning
Consistency is vital when coding boxes with inkjet technology. If the box sits too far from the printer, the quality will drop. Use sturdy guide rails on your conveyor to keep the box in a consistent position.
Some printers also feature a retracting print module. This mechanism pulls the module back as the box passes to handle any remaining position errors.
Integrating PLC Data in Real-Time
If your PLC produces real-time data, your printer must be able to receive and insert this into the message. While most printers handle time, date, and counters, only some can process complex PLC information. Always test the printer’s data capabilities if this is a requirement for your line.
Maintenance and Total Cost of Ownership
Finally, evaluate the printer’s ease of use and maintenance needs. The best printers often have the simplest designs. Focus on the ongoing cost of ownership and potential downtime.
Modular printers are usually the best choice. They allow you to hold spare parts and perform on-site repairs quickly for a low cost. This approach minimizes downtime and keeps your production line moving.
For information on MapleJet outer case coding printer options please click on this link.
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