If the Paper Tray Cover cannot be opened or closed properly on the Xiaomi Portable Photo Printer Pro, follow these steps:
Check for any foreign objects or debris lodged in the gap around the Paper Tray Cover. Even small particles can obstruct its movement;
Gently clean around the cover using a soft cloth or brush to remove dust or dirt that can be causing it to stick;
Inspect the cover for any visible warping or deformation, which can result from accidental drops or external force;
Avoid using excessive force when trying to open or close the cover, as this can cause further damage;
If the issue persists after cleaning and inspection, contact after-sales service for assistance or potential repair options.