800015-540 True Colours Ribbon Eltron / Zebra P310/P420C/i series YMCKO Ribbon 330 Prints and includes cleaning roller. Works with older Eltron and Zebra models P310, P330, P420, P520. Availability: Usually ships the next business day. 800015-540 True Colours Eltron / Zebra P310-420C/i YMCKO Ribbon (330 prints) YMCKO330i$105.00 Quick Zebra Part # Links: 800015-140 800015-148 800015-340 800015-440, 800015-448, 800015-540