noun
proof printing; proof sheet
Refers to a preliminary printed copy for checking before final production, used in publishing and printing contexts.
編集者は下刷りをチェックして誤字を探した。
The editor checked the proof sheet for typos.
校正刷り is a more formal term for a proof copy used in proofreading, while 下刷り is a general term for a preliminary print.
Compound of 下 (preliminary) and 刷り (printing), literally 'preliminary printing'.