Os assistentes usam impressoras de operação mágica.
Luna was not there: the thing that was making such a racket was a wooden object covered in magically turning cogs and wheels. It looked like the bizarre offspring of a workbench and a set of old shelves, but after a moment Harry deduced that it was an old-fashioned printing press due to the fact that it was churning out Quibblers.
Harry Potter and the Deathly Hallows - Chapter Twenty: Xenophilius Lovegood
Não está totalmente claro no texto se eles estão usando impressão offset (o tipo que imprime de um negativo ) ou tipo móvel (o tipo em que você usa blocos de letras ) mas parece provável que é o primeiro dado a presença de rolos. No filme, você pode ver claramente que é uma impressora de rolo.
Além disso, fotos em jornais trouxas não normalmente são movidas então provavelmente há algo mágico na tinta usada.
O Ministério usa magia para montar panfletos do que parecem ser folhas de papel pré-impressas
Harry paused to watch them, for the effect was quite mesmerising. They were all waving and twiddling their wands in unison, and squares of coloured paper were flying in every direction like little pink kites. After a few seconds, Harry realised that there was a rhythm to the proceedings, that the papers all formed the same pattern, and after a few more seconds he realised that what he was watching was the creation of pamphlets, that the paper squares were pages, which when assembled, folded and magicked into place, fell into neat stacks beside each witch or wizard.
Harry Potter and the Deathly Hallows - Chapter Thirteen: The Muggle-Born Registration Commission