Introducing accessibility initiatives is increasing across academic libraries and effective library staff training is one of the factors for the successful implementation and continuity of any accessibility endeavours. This case study outlines the development of a training program to teach student library assistances to format scanned PDFs to be accessible. This study frames the development of the training program within the context of accessibility training in academic libraries, considerations for training student assistants, cognitive load theory, and training delivery options. This article will be of interests to libraries developing services to format scanned PDFs to be accessible.