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Thermal Technologies

Zebra Printer, it's a little larger than the Dymo printerFor centuries man has been printing spine labels, but not all spine labels have been created equal. No -- as a matter of fact, some spine labels fade when exposed to sunlight or heat. "Why is this?" you may be asking. Simply put, it’s a difference in the thermal printing technology used when making the label. Some printers use a direct thermal approach while others use a thermal transfer method. Labels that are prone to fading over time use the direct thermal method where the label is chemically treated to react to heat. You may notice if you get a receipt from the gas pump and leave it in your car on a hot summer day it’s almost unreadable within two or three days. That’s because the chemicals in the paper are reacting to the heat in your car. The thermal transfer method in my opinion is better because the labels are not chemically treated, instead the printer has a wax or resin ribbon that a heated print head touches to apply the print to the label. This is a lot like the old method of using a dot matrix printer with a ribbon that transferred ink to the label.

The advantage of using the thermal transfer method is that the labels don’t fade over time. The downside is you have to buy a printer that supports this type of printing along with new labels and ribbons.

We started testing the Zebra TLP2824 thermal transfer printer back in September and have had really good results with it. We are now offering this printer to the libraries at a cost of $294.00 per printer. We will also order the first roll of labels and ribbon to get you started. I will give you more information after you purchase the printer on where to get the labels and ribbons in the future.

DuraReady Labels (peeled and unpeeled)If you’re not ready to commit to purchasing a new printer and supplies but would like labels that don’t fade, you could try DuraReady labels that work with the current Dymo LabelWriter 450 printers. These labels are a little odd in that they have a ribbon attached to the label itself so you get the non-fading qualities of a thermal transfer printer without having to change printers. The downsides to this label are you can’t really see what you’re printing until you peel off the ribbon, and you have to peel off the ribbon which can sometimes leave a light smudge on the label.

I have one roll of the 1” x 1” DuraReady labels to give away to the first person to ask for them. I would like to get some feedback from you on how likely you are to use them in the future.

(BTW, I do find Emily to be a little annoying.) Sometimes more than a little:)

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I am willing to try these labels and let you know.

Mary Brey
Spring Green Library

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