Samsung ML-2552W Laser Printer (ML-2552W/XAA) Catridge/Printhead Duty Cycle - Approx. 10,000 pages Monthly Duty Cycle - Up to 100,000 Processor - PPC 266 MHz Catridge/Printhead Duty Cycle - Approx. 10,000 pages Catridge/Printhead Duty Cycle - Approx. 10,000 pages