Ink Ribbon ERC 30, ERC 34, ERC 38, ERC 30/34/38 compatible black and red impact and dot matrix printer ribbon cartridge for the ERC38, NK506 by Monroe Systems for Business (12-pack, black
Amazon.com: Paper Planet Replacement Red and Black Ink Printer Ribbon for Clover Kitchen Printer (Star SP700 Kitchen Receipt Printer) | Compatible with Star SP-700BR, RC-700BR, SP-712, SP-742 | 10 Ink Ribbons :
DSD Impact Printer Ribbon
SNBC Printer Ribbon ERC-38 | Cummins Allison
Epson Ribbon Cartridge - Dot Matrix - 2 Million Characters - Black - 1 Each