CC-Tweaked/src/main/resources/data/computercraft/advancements/recipes/printed_pages.json

{
    "parent": "minecraft:recipes/root",
    "rewards": {
        "recipes": [ "computercraft:printed_pages" ]
    },
    "criteria": {
        "has_normal": {
            "trigger": "minecraft:inventory_changed",
            "conditions": {
                "items": [ { "item": "computercraft:printer" } ]
            }
        },
        "has_the_recipe": {
            "trigger": "minecraft:recipe_unlocked",
            "conditions": { "recipe": "computercraft:printed_pages" }
        }
    },
    "requirements": [
        [
            "has_normal",
            "has_the_recipe"
        ]
    ]
}