Lemon Printing
Quality Control

We don't just print.
We inspect.

Quality isn't a single checkpoint — it's built into every stage. From the moment your file arrives to the moment your carton leaves our dock, we're watching for the details that others miss.

4
Quality checkpoints per order
100%
Files pre-checked before production
AQL 2.5
Acceptable quality level standard
<1%
Average defect rate on qualified orders

Four-Stage Quality Process

Every order passes through four distinct quality stages. Nothing ships without clearing all of them.

Stage 1

Pre-Press File Check

Before we make a single plate, our prepress team reviews your files for resolution, bleed, color mode (CMYK vs RGB), font embedding, overprint settings, and safety margins.

What we check:

  • Resolution (300 DPI minimum)
  • Bleed and trim marks
  • Color mode (CMYK)
  • Font embedding & outlines
  • Overprint and trapping
  • Page count and pagination
Stage 2

On-Press Monitoring

During the print run, operators pull sample sheets at regular intervals to compare color, density, and registration against the approved proof. We ensure the first sheet matches the last.

What we monitor:

  • Color density and consistency
  • Registration accuracy
  • Ink coverage and trapping
  • Paper feeding and alignment
  • Scumming and ghosting
  • Dot gain and sharpness
Stage 3

Post-Press Inspection

After binding and finishing, we inspect the physical product. Are the pages secure? Is the trimming clean and square? Is the foil stamped correctly with no flaking? We catch what screens miss.

What we inspect:

  • Binding strength and alignment
  • Trim accuracy and squareness
  • Cover fit and spine alignment
  • Finish quality (lamination, foil, UV)
  • Page order and completeness
  • Surface condition (scuffs, marks, bubbles)
Stage 4

Packing & Shipping Prep

The last quality gate is packing. We build cartons designed to survive real-world shipping — double-walled boxes, corner protectors, moisture barriers, and palletization for large orders.

What we verify:

  • Correct quantity per carton
  • Corner and edge protection
  • Moisture barrier wrapping
  • Labeling accuracy (SKU, destination)
  • Carton strength and taping
  • Palletization for sea freight

Built for Consistency

Bulk printing only works when every piece matches. Here's how we ensure that.

Standardized Processes

Every job follows the same prepress-to-shipping workflow. No shortcuts, no exceptions. This consistency is what makes our output predictable.

Early Problem Detection

Most quality issues originate in the file, not the press. Our prepress check catches 90%+ of potential problems before a single sheet is printed.

Sample-Based Approval

For important runs, we recommend a pre-production sample. You see and approve the exact product before we commit to the full quantity.

Quality questions?

Ask us about our QC process, proofing options, or how we handle specific quality concerns for your product type.

sales@lemonprinting.com

+86-17688437535