diff --git a/visualization/app/codeCharta/ui/export3DMapButton/export3DMapDialog/export3DMapDialog.component.spec.ts b/visualization/app/codeCharta/ui/export3DMapButton/export3DMapDialog/export3DMapDialog.component.spec.ts
index 25f1d8ba6b..646547f620 100644
--- a/visualization/app/codeCharta/ui/export3DMapButton/export3DMapDialog/export3DMapDialog.component.spec.ts
+++ b/visualization/app/codeCharta/ui/export3DMapButton/export3DMapDialog/export3DMapDialog.component.spec.ts
@@ -6,6 +6,7 @@ import { ThreeSceneService } from "../../codeMap/threeViewer/threeSceneService"
 import { DEFAULT_STATE, TEST_NODES } from "../../../util/dataMocks"
 import { CodeMapMesh } from "../../codeMap/rendering/codeMapMesh"
 import { defaultState } from "../../../state/store/state.manager"
+import { Vector3 } from "three"
 
 describe("Export3DMapDialogComponent", () => {
     beforeEach(() => {
@@ -30,5 +31,46 @@ describe("Export3DMapDialogComponent", () => {
         expect(dialog).not.toBe(null)
     })
 
-    // Add more test cases as needed
+    it("should update number of colors on printer change", async () => {
+        const { fixture } = await render(Export3DMapDialogComponent, { excludeComponentDeclaration: true })
+
+        const component = fixture.componentInstance
+        const threeSceneService = TestBed.inject(ThreeSceneService)
+
+        const updateNumberOfColorsMock = jest.fn()
+        const updateSizeMock = jest.fn()
+        const getSizeMock = jest.fn().mockReturnValue(new Vector3(10, 10, 10))
+        Object.defineProperty(component, "previewMesh", {
+            value: {
+                updateNumberOfColors: updateNumberOfColorsMock,
+                updateSize: updateSizeMock,
+                getSize: getSizeMock,
+                printMesh: { traverse: jest.fn() },
+                mapMesh: { geometry: {} },
+                updateMapColors: jest.fn(),
+                updateColor: jest.fn()
+            },
+            writable: true
+        })
+        const cameraMock = {
+            position: {
+                set: jest.fn()
+            }
+        }
+        Object.defineProperty(component, "printPreviewScene", {
+            value: {
+                getObjectByName: jest.fn().mockReturnValue(cameraMock)
+            },
+            writable: true
+        })
+
+        component.selectedPrinter = component.printers[1]
+
+        component.onSelectedPrinterChange()
+
+        expect(threeSceneService.getMapMesh).toHaveBeenCalled()
+        expect(updateNumberOfColorsMock).toHaveBeenCalled()
+        expect(component["currentNumberOfColors"]).toBe(component.selectedPrinter.numberOfColors)
+        expect(cameraMock.position.set).toHaveBeenCalled()
+    })
 })