hand feeding; manual feeding
Refers to manually feeding materials or workpieces into a machine, as opposed to automatic feeding. Common in manufacturing and printing contexts.
この印刷機は手送りで紙をセットします。
This printing press is loaded with paper by hand feeding.
手送り作業は自動化によって減った。
Manual feeding work has decreased due to automation.
Compound of 手 (hand) and 送り (feeding, sending). The meaning is transparent from its components.