set-off; offset (ink transfer)
Only when written 裏移り
Printing term for unwanted ink transfer from a freshly printed sheet to the back of the next sheet in a pile.
To prevent set-off, it is necessary to allow sufficient drying time after printing.
Only when written 裏写り
Refers to the offset printing method itself, where ink is transferred from a plate to a rubber blanket and then to paper.
This brochure is printed using the offset process.
Printing term for when printing on one side of a sheet is visible from the other side, often due to thin paper or heavy ink coverage.
When using thin paper, show-through can sometimes be a concern.
Standard kanji spelling for the set-off/offset sense in printing.
Used specifically for the offset printing process sense.
Kana spelling that can be used for any sense, avoiding kanji ambiguity.
Compound of 裏 (ura, 'back, reverse side') and 移り (utsuri, 'transfer, moving'), literally 'transfer to the back'. The spelling 裏写り uses 写 (sha, 'copy, reflect') for the offset process sense.