Output Speed: Up to 28 pages per minute A4 Processor: PowerPC 405F5 / 360 MHz Time to print first page: 6 seconds or less Warm up time: 19 seconds Duty Cycle: Max. 20,000 pages per month, Average 2,000 pages per month Power Consumption: Printing: 439 W, Stand-by: 8.3 W, power-Saving (ECOpower): 4.4 W Noise (ISO 7779): Printing: 53 dB(A), Stand-by: 30 dB(A), Power-Saving (ECOpower): Immeasurably low Paper Handling, Input: 250-sheet universal paper cassette, 60-120 g/m2, A4, A5, A6, B5, Letter, Legal, Custom Paper Handling, Output: 250 sheets face-down TK-144 Toner Kit: Microfine toner for 4,000 pages in accordance with ISO/IEC 19752* Memory: Standard 32 MB + ECOmemory, max. 544 MB in 1 SDRAM DIMM slot Emulation: PCL6/PCL5e incl. PJL, KPDL 3 (PostScript 3 compatible)  with automatic emulation sensing (AES), Line Printer, IBM Proprinter X24E, Epson LQ-850, Diablo 630 Standard Interface: USB 2.0 (Hi-Speed), KUIO-LV interface slot Drum Life: 100,000