PRINTING METHOD: laser ; SPEED: 16ppm(A4) B&W Simplex 4ppm(A4) Colour Simplex ; FIRST PRINT: time Mono 14 secs, Colour 25 secs ; WARM UP: time 180 seconds ; RESOLUTION: 600 x 600 dpi ; MEMORY: 16MB RAM Max (144MB) ; Expansion: 2 Slots PRINT CONTROL LANGUAGE: ESC/Page S (Host based) ; Fonts Compatible with all TrueType® fonts and supported Windows™ and Apple Macintosh™ Operating Systems. ; INTERFACES: - IEEE 1284 bi-directional Parallel Interface with compatibility mode, nibble mode and ECP mode , - Universal Serial Bus (USB) 1.1 compliant , Note: only Macintosh systems equipped with a USB connector and running Mac OS 8.1 or later and Windows Me/98/2000/XP support USB interface ; EPSON Type B Interface Slot (empty) , 10/100baseTx Ethernet internal print server (ACU 900N) ; STANDARD PAPER INPUT: - A4, A5, B5, Letter, Half Letter, GLT, Executive, Monarch, C10, DL, C5, C6, IB5, Custom size (92 to 216mm x 210 to 297mm) ; - up to 200 Optional Paper Handling 500 sheet paper cassette (C12C813911) ; Duplex Unit (C12C813921) ; Noise level 39dB(A) or less in Standby Mode, 54dB(A) or less while printing ; Rated Voltage 220V to 240V ±10% Rated Frequency 50Hz or 60Hz ± 3Hz.