PREMIUM COMPATIBLES INC. PCI HP 122A Q3964A 20K IMAGING DRUM KIT HEWQ3964A FOR COLOR LASERJET 2550 2550LPCI HP 122A Q3964A 20K IMAGING DRUM KIT HEWQ3964A FOR COLOR LASERJET 2550 2550L2550LN 2550N 2800 2820 2830 2840 2840AIO H24-Q3964A HT964A 100-Q3964A 200-Q3964A Q3964ACPT PRMHT964A R-Q3964A C9704A-115552P C9704A-115552P HPQ3964A Q3964A;CPT Manufacturer : PREMIUM COMPATIBLES INC. UPC : 845161007068