Product Specifications: Model: 166A (W1660A) Ink Color: Black Print Technology: Laser Page Yield: ~1,500 Pages Compatible Printers: HP Laser Series: 1008a, 1008w HP Laser MFP Series: 1188a, 1188w, 1188nw EXACT PRINTER COMPATIBILITY: Engineered to work seamlessly with HP Laser 1008a, 1008w, and HP Laser MFP 1188a, 1188w, and 1188nw monochrome laser printers. HIGH-YIELD PAGE CAPACITY: Prints up to 1,500 crisp, clear pages per cartridge (at 5% standard A4 coverage), making it ideal for home offices, schools, and demanding corporate administrative tasks. SHARP, SMUDGE-FREE TEXT: Delivers professional-grade monochrome printing with deep, rich blacks and clean gray gradients. Resists smudging, fading, and streaking from the first page to the last. PLUG-AND-PLAY SETUP: Designed for quick, hassle-free installation. Slides perfectly into your printer’s cartridge slot, reducing office downtime and preventing toner leaks or drum damage. RELIABLE PERFORMANCE: Formulated to withstand heavy daily print cycles without causing paper jams, guaranteeing consistent density and text clarity for your critical documents and invoices.