Item #765-9 is genuine Pitney Bowes postage meter ink to be used in the DM300c, DM400c, DM450c, DM475c, and G900 postage meters. Pitney Bowes supplies are designed and tested within their respective postage meters. One 765-9 ink cartridge will yield up to 8800 impressions. The 765-9 cartridge does not prematurely dry up. High print quality is assured each time. Our DM300c, DM400c, DM450c, DM475c, and G900 postage meters and red ink have been approved by the USPS. Our meter ink fully meets all USPS requirements. We recommend the use of only genuine Pitney Bowes supply products within our product line.