There is no known safe, official “Roland Peck Tool.” Treat any download of that exact name as highly suspicious unless it’s from an authoritative source. Always prefer open, well-known alternatives.
While the PECK tool is powerful, "Putting" incorrect parameters or interrupting a firmware update can cause "Data Errors" or "Sum Errors," potentially bricking your mainboard. If you are uncomfortable with these steps, always reach out to Roland Product Support for professional assistance. on how to back up your printer's parameters using CoPeck? Roland Peck Tool Download