關於「Err 30 Canon」標籤，搜尋引擎有相關的訊息討論：

Error 30 questions.....please help fast - Canon Communitycommunity.usa.canon.com › EOS-DSLR-Mirrorless-CamerasError 30 displayed on an EOS Mirrorless Camera.support.usa.canon.com › article › ART177664Canon Error 30: Troubleshooting and Repair Guide - JustAnswerwww.justanswer.co