There is provided a printing apparatus. The printing apparatus includes a memory storing a program; and at least one hardware processor configured to execute a process in the program. The process includes: performing at least one printing operation of pre-printing and post-printing of overprinting which is an operation of performing pre-printing on a medium and then performing post-printing on the medium; and printing one of charts indicating reference positions by the intersection points of reference lines, during test printing related to each of the at least one printing operation, wherein the directions of reference lines corresponding to pre-printing are different from the directions of reference lines corresponding to post-printing.