Hello Reviewer, this is Maciej from DYMO. Thank you for contacting us regarding LetraTag Electronic Labelmaker tape.<br />Thank you for your feedback. All feedback is valuable to us, and it has been passed on to the appropriate channel. We are sorry that this product, did not meet your expectations. The LetraTag tapes are dedicated for indoor use on flat and dry surfaces. In the future please contact our technical support, they might be able to replace the cartridge after inspecting and establishing the cause of that issue. If you have any further questions, please do not hesitate to give our technical support team a call at 877-724-8324 Monday-Friday 9am-5pm EST as we will be happy to assist you. We can also provide support through email and live chat. You can find these options under the support tab on the DYMO website, www.dymo.com.