ACO 645A Magenta Compatible with HP
ACO 645A is a third-party compatible color laser toner cartridge series manufactured by ACO as a cost-saving replacement for the original HP 645A toner family. This specialized, high-capacity cartridge system is engineered for wide-format (A3) heavy-duty printing operations across enterprise-level legacy workspaces. [1, 2, 3]
🖨️ Printer Compatibility [1]
The ACO 645A cartridge family is custom-built with heavy guide tracks to operate with the following older, dependable high-volume HP Color LaserJet devices: [1, 2, 3]
- HP Color LaserJet 5500 Series: 5500, 5500n, 5500dn, 5500dtn, and 5500hdn
- HP Color LaserJet 5550 Series: 5550, 5550n, 5550dn, 5550dtn, and 5550hdn [1, 2]
🎨 Cartridge Variants & Part Numbers
This legacy series consists of four individual high-capacity color cartridges, mapping to specific original HP alpha-numeric part codes: [1]
- C9730A (Black): The base monochrome high-yield cartridge.
- C9731A (Cyan): The blue color toner cartridge.
- C9732A (Yellow): The yellow color toner cartridge.
- C9733A (Magenta): The pink/red color toner cartridge. [1, 2, 3, 4, 5]
📊 Performance Specifications
- Black Page Yield (C9730A): Approximately 13,000 pages per cartridge, rated under the standardized 5% A4 page coverage matrix. [1, 2]
- Color Page Yield (C9731A–C9733A): Approximately 12,000 pages per individual color cartridge at standard 5% coverage. [1]
- Chemically Grown Toner (CGT): Packed with premium, uniform spherical powder engineered to replicate the original chemical structure. This ensures stable gloss levels, accurate wide-format graphic layers, and crisp technical text lines without background shading. [1]
- Smart Core Chip: Arrives pre-fitted with an updated digital handshake counting chip that communicates natively with the printer's logic board to bypass old firmware locks and display real-time volume statistics.
- The Price is for one Color Toner
- The Package is for one Toner Only
- The Product image for Demo
Specifications
| Brand | ACO, Brand # |
| Compatible Brand | HP, Compatible |
| Color | Magenta, Color# |
| Type | Toner Cartridges, Standard |