CompTIA PDI Certification validates the knowledge and skills necessary to support printing and document imaging devices including printers, copiers, scanners, multi-functional devices and fax machines. It is a vendor-neutral certification that recognizes a technicians understanding of basic electromechanical components and tools, print engine and scan processes and components, color theory and connectivitynetworking. The exam also covers soft skills such as customer service, professionalism, safety and environment. While there are no prerequisites for the certification exam, it is recommended that entry-level candidates have foundation-level knowledge or hands-on experience working with printing and document imaging devices. CompTIA PDI is also relevant for more seasoned technicians in the printing and document imaging industry interested in an industry-accepted credential that validates their knowledge and skills.