collating (printing)
Technical term in printing and publishing; refers to assembling printed sheets into complete sets in the correct order. Often used in contexts like 部単位で綴じる (bind in collated sets).
このプリンターは部単位で印刷できます。
This printer can print in collated sets.
Collating by sets is important in the bookbinding process.
Compound of 部 (ぶ, 'copy' or 'part') and 単位 (たんい, 'unit'). The term likely arose in printing contexts to describe handling sheets in units of complete copies.