Amazon.com: Oki Data C610 Series 44315304 Toner Cartridge (Black) : Office Products
4 Pack High Quality Compatible for OKI 610 Color Toner Cartridge for Okidata C610 C610DN C610CDN C610DTN Printer|Toner Cartridges| - AliExpress
New ! 4PK HY Toner for OKI OKIDATA C610N Color Printer Toner 44315304 44315301 30955560335 | eBay
Amazon.com: OKI Toner Set for C610 Series Printers. Full Set of 4 Genuine OKI Toner Cartridges. 44315301 Yellow, 44315302 Magenta, 44315303 Cyan, 44315304 Black. Type C15 - 6K Yield on colors, 8K