Historical clue formulations

• Site of a paper jam — 2026-09-08
• OUT OF ORDER! PAPER TRAY REQUIRES MAINTENANCE! — 2025-12-10
• Computer accessory — 2021-01-26
• Johannes Gutenberg, for one — 2020-07-16
• Press user — 2011-06-24
• Computer adjunct — 1996-12-11