RELIABLE Large monthly volume  within category Robust metal frame strong and steady 600MHZ,128MB Faster processor & bigger memory within category Up to 20,000 page monthly duty cycle boosts more productivity CONVENIENT 23PPM/CPM/SPM, top print, copy and scan speed Less than 7.8s FPOT Full office function: Print, copy, scan and all in one machine Wi-Fi connectivity, mobile printing/scanning & networking Auto Document Feeder Easy & fast copying and scanning One step installation ECO-FRIENDLY Energy-conserving sleep mode Save energy, create less noise Robust metal frame and parts meet the requirement of RoHS ECONOMICAL 1,600p yield standard cartridge Long engine life, low operation costs Compact size suitable for different scenario