noun
character printer; serial printer
A printer that outputs one character at a time, as opposed to a line printer or page printer. Technical computing term.
逐次印字装置は、一度に一文字ずつ印刷するタイプのプリンターです。
A character printer is a type of printer that prints one character at a time.
Compound of 逐次 (sequential) + 印字 (printing) + 装置 (device). A straightforward technical term with no unusual historical derivation.