🧭 Overview
Proper labeling is critical when sending items to FBA. Even small mistakes can lead to:
Shipment delays
Inventory discrepancies
Additional fees
👉 This guide covers the most common mistakes and how to fix them.
⚠️ Most Common Labeling Mistakes
❗ 1. Missing FNSKU Labels
Problem:
Items are sent without FNSKU labels
Impact:
Amazon cannot identify your inventory
Items may be rejected or relabeled (with fees)
Fix:
Ensure every unit has a scannable FNSKU label
❗ 2. Barcode Not Covered
Problem:
Original UPC/EAN barcode is still visible
Impact:
Amazon may scan the wrong barcode
Inventory may be assigned incorrectly
Fix:
Cover or remove all other barcodes
Only the FNSKU barcode should be visible
❗ 3. Incorrect Label Placement
Problem:
Labels placed on curved, uneven, or hard-to-scan areas
Impact:
Scanning issues
Processing delays
Fix:
Place labels on a flat, visible surface
Avoid edges, seams, or corners
❗ 4. Poor Print Quality
Problem:
Blurry, faded, or low-resolution labels
Impact:
Barcode won’t scan properly
Manual processing delays
Fix:
Use a thermal printer or high-quality print settings
Ensure labels are clear and sharp
❗ 5. Wrong Labels Applied
Problem:
Applying the wrong FNSKU to an item
Impact:
Inventory mismatches
Customer complaints
Potential account issues
Fix:
Double-check labels before applying
Label items immediately after scanning
❗ 6. Switching Items Between Boxes After Labeling
Problem:
Moving items between boxes after labels are assigned
Impact:
Box content mismatch
Shipment errors (e.g., “additional quantities encountered”)
Fix:
Always update box content first
Reprint labels if changes are made
❗ 7. Missing Box Labels
Problem:
Shipping boxes are not labeled
Impact:
Shipment may be delayed or rejected
Fix:
Apply correct box labels to each shipment box
❗ 8. Damaged Labels
Problem:
Labels are torn, wrinkled, or smudged
Impact:
Scanning failures
Fix:
Reprint and replace damaged labels
Keep labels clean and protected
❗ 9. Using the Wrong Label Type
Problem:
Confusing FNSKU with internal (merchant) labels
Impact:
Amazon cannot track your items
Fix:
Always use FNSKU labels for FBA shipments
Merchant labels are optional only
🔧 Quick Labeling Checklist
Before shipping, confirm:
✅ FNSKU label on every unit
✅ No other barcodes visible
✅ Labels are clear and scannable
✅ Correct label on correct item
✅ Box labels applied properly
💡 Pro Tips
Label items immediately after scanning
Use consistent placement for all items
Keep extra labels ready in case of damage
✅ Quick Summary
Most labeling issues come from:
Missing or incorrect labels
Poor placement or quality
Mismatched box content
👉 Proper labeling ensures smooth receiving and accurate inventory tracking.