A printing apparatus comprising: a plurality of power supply circuits (21 to 26) including at least a first power supply circuit and a second power supply circuit; a head including a plurality of nozzles, the nozzles forming a plurality of groups (g10 to g70) arranged in a first direction, each of the groups including a plurality of nozzle arrays (c01 to c70) arranged in the first direction, each of the nozzle arrays extending in a second direction intersecting with the first direction, each of the nozzles being associated with any of the power supply circuits; and a memory (52, 62) storing information indicating: a correspondence relationship between the nozzles and the power supply circuits; and a correspondence relationship between the nozzles and the groups, wherein: printing is performed by driving the head based on the information; the groups include a first group and a second group adjacent to each other in the first direction; and the first group includes a first nozzle array adjacent to the second group in the first direction; the memory storing information further indicates a correspondence relationship between the nozzles and the nozzle arrays, and the information indicates that a plurality of nozzles that are associated with the first group include a plurality of nozzles associated with the first power supply circuit and a plurality of nozzles associated with the second power supply circuit, and indicates that a plurality of nozzles associated with the first nozzle array include some of the nozzles associated with the second power supply circuit. a plurality of power supply circuits (21 to 26) including at least a first power supply circuit and a second power supply circuit; a head including a plurality of nozzles, the nozzles forming a plurality of groups (g10 to g70) arranged in a first direction, each of the groups including a plurality of nozzle arrays (c01 to c70) arranged in the first direction, each of the nozzle arrays extending in a second direction intersecting with the first direction, each of the nozzles being associated with any of the power supply circuits; and a memory (52, 62) storing information indicating: a correspondence relationship between the nozzles and the power supply circuits; and a correspondence relationship between the nozzles and the groups, a correspondence relationship between the nozzles and the power supply circuits; and a correspondence relationship between the nozzles and the groups, wherein: printing is performed by driving the head based on the information; the groups include a first group and a second group adjacent to each other in the first direction; and the first group includes a first nozzle array adjacent to the second group in the first direction; the memory storing information further indicates a correspondence relationship between the nozzles and the nozzle arrays, and the information indicates that a plurality of nozzles that are associated with the first group include a plurality of nozzles associated with the first power supply circuit and a plurality of nozzles associated with the second power supply circuit, and indicates that a plurality of nozzles associated with the first nozzle array include some of the nozzles associated with the second power supply circuit. printing is performed by driving the head based on the information; the groups include a first group and a second group adjacent to each other in the first direction; and the first group includes a first nozzle array adjacent to the second group in the first direction; the memory storing information further indicates a correspondence relationship between the nozzles and the nozzle arrays, and the information indicates that a plurality of nozzles that are associated with the first group include a plurality of nozzles associated with the first power supply circuit and a plurality of nozzles associated with the second power supply circuit, and indicates that a plurality of nozzles associated with the first nozzle array include some of the nozzles associated with the second power supply circuit.