The HP Color LaserJet 4700dtn includes all the features of the 4700dn, two additional 500-sheet paper feeders (Trays 3 and 4), and a printer stand. HP Color LaserJet 4700ph+ (Q7495A) The HP Color LaserJet 4700ph+ includes the features of the 4700dtn, two additional 500-sheet paper feeders (Trays 5 and 6), a high-capacity stapler/stacker, a printer stand, a hard drive, and an additional 256 MB of memory for a total of 544 MB of memory. NOTE 544 MB of SDRAM: 512 MB of DDR, plus 32 MB of additional memory on the formatter board and an additional DIMM slot. This printer has two 200-pin small outline dual inline memory module (SODIMM) slots that accept 128 or 256 MB of RAM each.
HP Color LaserJet CP4005n (CB503A) 4 Chapter 1 Product information ENWW