The Samsung ProXpress SL-M3320 monochrome laser printer line was launched in May 2013, and includes the 35 page per minute (ppm) ProXpress SL-M3320, SL-M3370 MFP, 40 ppm SL-M3820, SL-M3870 MFP and the 42 ppm SL-M4020 and SL-M4070 MFP. Duty cycles ranged from 50,000 to 100,000 pages per month.
All models utilize the same 3,000 page low yield and 5,000 page standard yield all-in-one cartridge SKUs. The SL-M3820, SL-M3870 MFP, SL-M4020 and SL-M4070 MFP also utilize a 10,000 page high yield cartridge. All cartridges require a chip for correct printer operation.