The Canon MG6230 is a Japan-exclusive model (part of the PIXUS line). It is not sold in the US or Europe. Its direct international equivalent is the Canon PIXMA MG5520 or MG6320 (depending on the region). The hardware is similar, but the firmware and service tools are often region-specific. What is the "Service Tool" for the MG6230? The Service Tool (often labeled ST Tool or Service Tool v4.xx or v5.xx ) is an official, unpublished Canon utility used by repair centers. It is not a driver or a cleaning utility from Canon's website.