noun
paper jam
Refers to paper getting stuck inside a printer, copier, or similar machine.
コピー機で紙詰まりが起きた。
A paper jam occurred in the copier.
紙詰まりを直してください。
Please fix the paper jam.
Compound of 紙 (kami, 'paper') and 詰まり (tsumari, 'clogging, blockage'), from 詰まる (tsumaru, 'to be blocked'). The reading かみづまり reflects rendaku voicing of つ to づ.