However, I can help you in the following ways:
The PECK utility (including versions like PECK 4, 5, and the newer PECK2) is a service maintenance tool designed for technicians and advanced users to communicate directly with Roland printers. It performs several critical functions: Firmware Updates Roland Peck Tool Download
Where to get it safely
under the support or "Applications" section of specific printer models on the Roland DGA Support site Full PECK Utility However, I can help you in the following