THEY ARE PRODUCED BY A DIFFERENT SUPPLIER THAN THE "NON ECO" SERIES. 12 MONTH WARRANTY! Compatible Printers Canon LBP 1210, HP LASERJET 1000, 1000W, 1005W, 1200N, 1200, 1220, 3300, 3320, 3320 N, 3330, 3380 HP LASERJET 1300, 1300N HP LASERJET 1150, 1150N.
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