Complete the forms below, or call 281-351-5128 to order supplies or request service. How To Replace Toner (choose your model below): MX-3050 / 4050 / 5050 / 6050 MX-3070 / 4070 / 5070 / 6070 MX-M464 / 564 MX-M465 / 565 MX-M654N / 754N Request Supplies: Notice: JavaScript is required for this content. Request Service: Notice: JavaScript is required for this content.