itney Bowes Red Ink Cartridge for SendPro MailCenter/P/ Connect+ Series Mailing Machine, part # 787-1, or equal with fluorescent ink approved by the USPS. Yields up to 60000 impressions. Pitney Bowes Red Printhead for SendPro MailCenter/P/ Connect+ Series Mailing Machine, part # 78P-R, or equal with fluorescent ink approved by the USPS. Pitney Bowes Black Ink Cartridge for SendPro MailCenter/P/ Connect+ Series Mailing Machine, part # 787-3, or equal with fluorescent ink approved by the USPS. Pitney Bowes Black Printhead for SendPro MailCenter/P/ Connect+ Series Mailing Machine, part # 78P-B, or equal with fluorescent ink approved by the USPS. Pitney Bowes Self-Adhesive Postage Tape Rolls for SendPro MailCenter/P/ Connect+ Series Mailing Machine, part # 613-H, or equal and approved by the USPS. Pitney Bowes Coated Continuous Direct Thermal Labels for Enterprise Shipping Label Printers, part # 674-0, or equal and approved by the USPS. Pitney Bowes Moistener Replacement Kit for SendPro MailCenter/P/ Connect+ Series Mailing Machine, part # 2F3-F, or equal and approved by the USPS. Black Ink Cartridge (Twin Pack) for DM Infinity Series, part # 772-2, or equal, approved by the USPS. Yields up to 580000 impressions. HP 771 Black Ink Cartridge for Upgraded DM Infinity Systems, part # SL-7741, or equal and approved by the USPS. HP 775P Print Head Replacement for Upgraded DM Infinity Systems, part # SL-775P, or equal and approved by the USPS.