THEY ARE PRODUCED BY A DIFFERENT SUPPLIER THAN THE "NON ECO" SERIES. 12 MONTH WARRANTY! Compatible Printers: Canon LBP 800, 810, 1120, HP LASERJET 1100, 1100A, 3200 M, 3200. BLACK COMPATIBLE TONER C4092A ECO SERIES HP Laser Jet 1100/1100A/3200 CAPACITY 2,500 Pages.
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