Table 2. Comparison of HP LaserJet 5100 Series printers HP LaserJet 5100 (Q1860A) HP LaserJet 5100tn (Q1861A) HP LaserJet 5100dtn (Q1862A) HP LaserJet 5100 LE (Q1863A) Input bins (standard/ maximum Ethernet 10-T/ 10-2 optional standard standard not available 2/4 3/4 3/4 2/2 Standard RAM 16 MB internal 32 MB 32 MB 16 MB 250-sheet feeders (Tray 2, Tray 3) 1 standard 1 optional 1 standard 1 optional 1 standard 1 optional 1 standard 500-sheet feeder optional standard standard N/A EIO hard disk optional optional optional N/A Duplexer optional optional standard N/A LocalTalk optional optional optional N/A Processor 300 MHz 300 MHz 300 MHz 300 MHz 18 Printer description Q1860-90918