Printer features Table 1. Features and accessories by printer model 1 To expand the dual inline memory module (DIMM) memory to 512 MB, install 64-MB DIMMs in all eight DIMM slots. Optimized memory for all models is 128 MB. 2 Minimum 64 MB memory recommended for automatic duplex printing.
22 Chapter 1 - Product information EN Model Feature/accessory 8500 8500 N 8500 DN 8550 8550 N 8550 DN 8550 GN 8550 MFP Features Standard DIMM memory (in MB) 32 32 64 32 64 64 128 64 Maximum DIMM memory1 (in MB) 256 256 256 512 512 512 512 512 Internal hard disk X X X X X X HP JetDirect EIO card X X X X X X 500-sheet tray 2 X X X X X X X 2,000-sheet input unit X X X Duplexer X X X X Copy module X Accessories External (EIO- compatible) printer hard disk X X DRAM DIMMs (synchronous) X X X X X X X X Duplexer2 X X X X HP JetDirect EIO card X X 500-sheet input tray X 1,000-sheet paper deck (input) X Automatic document feeder X Multi-bin mailbox (output) X X X 3,000-sheet stapler/ stacker or 3,000- sheet stacker (output) X X