HP 645A Colour LaserJet Cartridge Black SC1 C9730A

HP 645A Colour LaserJet Cartridge Black SC1 C9730A | Black printing, clearly identified

Rather than trying to identify a cartridge by appearance, this listing gives you a specific HP product name and code to work from. It’s the 645A Colour LaserJet cartridge in black, identified by SC1 and C9730A. That makes the key details easy to read when you’re browsing printer ink: the brand, cartridge family, printer type and colour are all in the name. The listing suits someone looking for this named black cartridge, or keeping a clear record of a printer consumable. Its purpose is straightforward: it’s a black cartridge for the Colour LaserJet range. The honest limitation is that the product name alone doesn’t identify particular printer models, so I wouldn’t use it to infer a specific printer match. For an exact product reference, C9730A is the clearest code to retain.

Renz lists this item in Printers & Scanners > Printer ink, rather than among printers or scanning equipment. That’s a useful distinction when you’re searching the shop: this is a consumable listing, not a printer. The wording also separates the black cartridge from the broader Colour LaserJet name, so its colour is explicit in the product title. If you’re referring to the item in a note or search, the full name keeps the family designation and both identifiers together. That’s more precise than searching only for “HP cartridge”, which describes a much broader product category.

Technical Specifications

• Brand: HP
• Series: 645A
• Product type: Colour LaserJet cartridge
• Colour: Black
• Identifier: SC1
• Product code: C9730A