diff --git a/patchwork.md b/patchwork.md
index 4763fe0a9..465fe5822 100644
--- a/patchwork.md
+++ b/patchwork.md
@@ -72,4 +72,13 @@ port :8080.
     # Other rules as before.
 
 Closes #540
-```
\ No newline at end of file
+```
+
+The alterations in ColourUtils.java were not needed so they were not ported over
+```
+6f868849ab2f264508e12c184cc56f2632aaf5bc
+Use tags to check if something is a dye
+
+We half did this already, just needed to change a couple of checks.
+Closes #541.
+```
diff --git a/src/main/java/dan200/computercraft/shared/peripheral/printer/ContainerPrinter.java b/src/main/java/dan200/computercraft/shared/peripheral/printer/ContainerPrinter.java
index 52d3757c2..dd9e9d761 100644
--- a/src/main/java/dan200/computercraft/shared/peripheral/printer/ContainerPrinter.java
+++ b/src/main/java/dan200/computercraft/shared/peripheral/printer/ContainerPrinter.java
@@ -15,7 +15,6 @@ import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.inventory.Inventory;
 import net.minecraft.inventory.SimpleInventory;
-import net.minecraft.item.DyeItem;
 import net.minecraft.item.ItemStack;
 import net.minecraft.screen.ArrayPropertyDelegate;
 import net.minecraft.screen.PropertyDelegate;
@@ -87,7 +86,7 @@ public class ContainerPrinter extends ScreenHandler {
             }
         } else {
             // Transfer from inventory to printer
-            if (stack.getItem() instanceof DyeItem) {
+            if( TilePrinter.isInk( stack ) ) {
                 if (!this.insertItem(stack, 0, 1, false)) {
                     return ItemStack.EMPTY;
                 }
diff --git a/src/main/java/dan200/computercraft/shared/peripheral/printer/TilePrinter.java b/src/main/java/dan200/computercraft/shared/peripheral/printer/TilePrinter.java
index a6dbfbbab..03fa0a1e9 100644
--- a/src/main/java/dan200/computercraft/shared/peripheral/printer/TilePrinter.java
+++ b/src/main/java/dan200/computercraft/shared/peripheral/printer/TilePrinter.java
@@ -278,8 +278,8 @@ public final class TilePrinter extends TileGeneric implements DefaultSidedInvent
         }
     }
 
-    private static boolean isInk(@Nonnull ItemStack stack) {
-        return stack.getItem() instanceof DyeItem;
+    static boolean isInk(@Nonnull ItemStack stack) {
+        return ColourUtils.getStackColour( stack ) != null;
     }
 
     @Nonnull
@@ -380,9 +380,8 @@ public final class TilePrinter extends TileGeneric implements DefaultSidedInvent
 
     private boolean inputPage() {
         ItemStack inkStack = this.m_inventory.get(0);
-        if (!isInk(inkStack)) {
-            return false;
-        }
+        DyeColor dye = ColourUtils.getStackColour( inkStack );
+        if( dye == null ) return false;
 
         for (int i = 1; i < 7; i++) {
             ItemStack paperStack = this.m_inventory.get(i);
@@ -391,8 +390,7 @@ public final class TilePrinter extends TileGeneric implements DefaultSidedInvent
             }
 
             // Setup the new page
-            DyeColor dye = ColourUtils.getStackColour(inkStack);
-            this.m_page.setTextColour(dye != null ? dye.getId() : 15);
+            m_page.setTextColour( dye.getId() );
 
             this.m_page.clear();
             if (paperStack.getItem() instanceof ItemPrintout) {