How to evaluate card damage

This document contains examples of access cards that are damaged, worn, broken, etc.

These cards may fail intermittently or altogether – on all locks, or just some. They are in need of replacement.

Pictures and descriptions provided courtesy of Justin M Smith (jumsmith@ucdavis.edu) - Thanks!

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One of these cards are more likely than the others to not work for an Onity room - can you guess which one it is?

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Any scratches (indicated by a white line) in a magstripe card could cause intermittent or complete failure. However, this card may still work on certain locks.