This manual provides comprehensive information for the Duplo Folder DF-520 and DF-520N. These folding machines are designed for efficient and reliable paper folding in various professional settings. Their robust construction and advanced features ensure consistent performance and ease of operation, making them a valuable asset for businesses requiring high-volume document processing.

The purpose of this manual is to guide users through the proper maintenance, operation, and troubleshooting of the Duplo Folder DF-520 and DF-520N. It covers essential maintenance procedures, diagnostic steps for common issues, and technical specifications to ensure optimal functionality and longevity of the equipment. By following the guidelines within this manual, owners and technicians can effectively maintain the machines and address any operational challenges.