As regras no estado de rolagem:
A spell on a scroll can be used only once. The writing vanishes from the scroll when the spell is activated.
(...)
If she meets all three requirements but her own caster level is lower than the scroll spell's caster level, then she has to make a caster level check (DC = scroll's caster level + 1) to cast the spell successfully.
Se a checagem do nível de conjurador falhar, mas sem Mishap, a mágica é "ativada" ou não? O pergaminho é destruído se você falhar?
As perguntas frequentes na parte inferior da página do SRD para pergaminhos respondem exatamente a essa pergunta:
If I fail my caster level check to activate a scroll, but don't have a mishap, is the scroll used up?
No. In the Activation section, in the first paragraph after the bullet points, add the following sentence: "If the caster level check fails but no mishap occurs, the scroll is not expended."
Tags pathfinder magic-items