Learn Spanish (Latin America): Pon el filtro en la cafetera y lee la receta impresa. - Put the filter in the coffee maker and read the printed recipe.

The verb imprimir (to print) has two valid past participles: the regular imprimido and the irregular impreso. When used as an adjective modifying a noun, like describing a printed recipe (la receta impresa), the irregular form is the standard choice. It also has to agree in gender and number with receta, which is why it ends in -a.

Could I use the regular participle imprimida in this sentence?

No, it would sound unnatural here. While both forms are technically accepted when using the helper verb haber to form perfect tenses (like he imprimido or he impreso for I have printed), the regular form is virtually never used as an adjective. When describing a noun, you should always stick to the irregular impreso.

If we changed the sentence to say the recipes instead of the recipe, how would the end of the sentence change?

It would become las recetas impresas. Because impresa is acting as an adjective here, it must agree in both gender and number with the noun it modifies. If you were using the participle purely as a verb with haber (like I have printed the recipes), it would remain fixed in the masculine singular form: he impreso las recetas.

Both verbs here are commands (pon and lee). Do they follow the same conjugation rule?