Print technology: Monochrome laser printing technology. Resolution: Print resolution up to 600 x 600 dpi, upsampling up to 1200 x 1200 dpi. Print speed: Up to 20 pages per minute. Memory: 128MB primary memory, no internal memory. Paper types: Plain paper, envelopes, card, labels, recycled paper. Paper sizes: 76 x 127 mm to 216 x 356 mm. Processor: 600 MHz processor. Monthly duty cycle: Up to 15,000 pages. Connectivity flexibility: Supports USB 2.0, Ethernet, Wi-Fi b/g/n, Apple AirPrint for mobile printing. Toner type used in this printer: Xerox 106R02773 toner (capacity up to 1500 pages according to ISO/IEC 19752, based on 5% page coverage.)