Network Interface kit Enables mono network scaning,scan to e-mail,scan to box,network printing and internet fax. PCL Printer kit GDI printer can be upgrated to a PCL printer suitable for more complex print requirements. 32MB Memory Card Upgrade the memory from 8MB (650 pages) to 40MB (3,370 pages) giving extra memory for large applications. 500 Sheets Cassette Second phone line function Mechanical Counter Handset