Red Ink Cartridge For Mailstation and Mailstation2 Red Ink Cartridge for mailstation/mailstation2 (K7M0) mailstation (k700) Use genuine Preferred Postage Supplies ink cartridges to keep your meter running. Tested in millions of cycles, for outstanding reliability and performance Ink formulated by Preferred Postage Supplies Meets or exceeds requirements Optimizes the number of envelopes you can print with each cartridge Yields up to 400-880 impressions Still readable if wet, so even wet mail can be delivered. Item #797-M/797-0 is genuine IDEALSEAL meter ink to be used in the K7M0 mailstation2 and k700 mailstation postage meter. IDEALSEAL ink is designed and tested within their respective postage meters. One red ink cartridge will yield up to 400 - 880 impressions or 3-4 months. The 797-M/797-0 cartridge does not prematurely dry up. High print quality is assured each time. We recommend the use of only genuine IDEALSEAL supply products. *Actual ink yields vary with usage and environmental conditions.