What are the label printing methods? A comprehensive comparison of 4 printing methods
💡 💡 At a Glance
Label printing methods include digital, flexographic, offset, and screen printing. Digital printing has no plate-making fee and is suitable for small batches, while traditional printing has a lower unit price for large batches but requires a higher minimum order quantity.
Last week, a client building a new emerging brand asked me: "I want to print 500 labels — which printing method should I choose?"
I said: "It depends on your quantity — under 100 for digital, 1,000–50,000 for offset, 50,000+ for flexo, and special materials for screen printing."
He asked, "What's the difference between the 4 methods?"
I said: "The principles, precision, cost, and applications are all completely different — let me draw you a comprehensive comparison chart. This article won't talk about 'which is cheaper' — it covers the color principles of the 4 printing methods + a 6-dimension comparison + 7-scenario selection guide."
4 Printing Methods: Color Principles
Principle 1: Digital Printing
Color Principle:
Computer Image
→ Digital Signal
→ Laser / LED
→ Photosensitive Drum
→ Electrostatic Toner Adsorption / Inkjet
→ Label
Features:
- No plate making required (direct printing)
- Minimum print quantity of 1 piece
- Variable data (each piece different)
Principle 2: Offset Printing (Lithographic Printing)
Color Principle:
Printing Plate (image + non-image areas)
→ Oil and water repulsion (image areas attract oil, non-image areas attract water)
→ Ink transferred to the blanket
→ Blanket transfers ink to the substrate
→ Label
Features:
- Highest precision (1200-2400 DPI)
- Vivid colors
- Low cost for large volumes
Principle 3: Flexo Printing (Flexographic Printing)
Color Principle:
Flexible resin plate (relief)
→ Anilox roller meters ink supply
→ Raised portions of the plate contact the substrate
→ Ink transfer
→ Continuous roll-to-roll printing
Features:
- High-speed roll printing (50,000+ pieces/hour)
- Thin ink layer (suitable for film labels)
- Extremely low cost (large volumes)
Principle 4: Screen Printing
Color Principle:
Screen plate (open image areas)
→ Ink poured onto the screen
→ Squeegee pressed across
→ Ink passes through the screen onto the substrate
→ Label
Features:
- Thick ink layer (raised tactile feel)
- Suitable for irregular shapes / curved surfaces
- Special materials (PCB / glass)
6-Dimensional Performance Comparison
| Dimension | Digital | Offset | Flexo | Screen |
|---|---|---|---|---|
| Principle | Electronic imaging | Ink transfer | Flexographic plate | Screen mesh |
| Precision | 600-1200 DPI | 1200-2400 DPI | 300-600 DPI | 200-400 DPI |
| Speed | 50-500 sheets/hour | 3000-8000 sheets/hour | 50000+ sheets/hour | 500-1000 sheets/hour |
| Cost | 0.5-1 yuan/sheet | 0.2-0.5 yuan/sheet | 0.05-0.2 yuan/sheet | 0.5-3 yuan/sheet |
| Minimum Quantity | 1 sheet | 500-1000 sheets | 5000+ sheets | 100-500 sheets |
| Applicable Materials | Paper + Film | Paper | Film + Paper | Nearly all |
7 Scenario Selection
Scenario 1: 50-piece Sampling (New Product Testing)
Recommendation: Digital Printing
Reason: Print from 1 piece, no plate-making required
Cost: 25-50 yuan (50 pieces)
Scenario 2: 500-piece Small Batch (New Product Launch)
Recommendation: Digital Printing
Reason: Digital is cheaper for runs under 500 pieces
Cost: 250-500 yuan (500 pieces)
Scenario 3: 5000-piece Medium Batch (Stable Shipments)
Recommendation: Offset Printing
Reason: Offset offers the lowest cost for 1000-50000 pieces
Cost: 1000-2500 yuan (5000 pieces)
Scenario 4: 50000-piece Large Batch (Mass Production)
Recommendation: Flexo Printing
Reason: High-speed roll printing + thin ink layer
Cost: 2500-10000 yuan (50000 pieces)
Scenario 5: PCB / Glass (Specialty Materials)
Recommendation: Screen Printing
Reason: Irregular shapes + curved surfaces + specialty materials
Cost: Depends on complexity
Scenario 6: Cosmetic Hot Stamping
Recommendation: Offset Printing + Hot Stamping
Reason: Offset base layer + hot stamping process
Cost: Offset + 0.3 yuan/piece
Scenario 7: One Item One Code (Traceability)
Recommendation: Flexo Printing + Digital Printing
Reason: Flexo for high-volume printing + digital for personalization
Cost: Flexo + 0.5 yuan/piece
3 Types of Combined Printing Explained
Combination 1: Offset + Screen Printing
Principle:
- Offset base layer (base colors + text)
- Screen-print raised layer (LOGO + decoration)
Advantages:
- High offset precision (vivid base colors)
- Screen-print raised effect (three-dimensional tactile feel)
Cost: +30-50%
Application: High-end cosmetic gift boxes
Combination 2: Flexo + Digital
Principle:
- Flexo printing base (high-speed large volume)
- Digital variable data (one item, one code)
Advantages:
- High flexo speed
- Digital variable data (unique per sheet)
Cost: +20%
Application: One item, one code + anti-counterfeiting
Combination 3: Offset + Hot Foil Stamping
Principle:
- Offset base layer
- Hot foil post-processing (local metallic finish)
Advantages:
- High precision + premium hot foil appearance
Cost: +30%
Application: Gift boxes / high-end brands
4-Step Selection Process
Step 1: Check the Quantity
Under 100 sheets → Digital
1,000-50,000 → Offset
50,000+ → Flexo
Special materials → Screen
Step 2: Check the Material
Coated paper → Offset / Digital
Film → Flexo / Screen
Special → Screen
Step 3: Check the Precision
High precision (1200+ DPI) → Offset
Standard (600 DPI) → Digital / Flexo
Step 4: Check the Timeline
Rush (24 hours) → Digital
Standard (3-5 days) → Offset
Large volume (7-14 days) → Flexo
If you want to learn about post-press finishing — refer to the 3 label post-print processes, or directly contact a LeXiang Packaging consultant, and receive your printing method + quote within 24 hours.
FAQ
What processes are required after label printing?
3 core processes: (1) Die-cutting (the die cuts according to the designed shape, with die plate fees ranging from 200 to 1,500 yuan per plate); (2) Slitting (roll-form labels are slit into individual rolls or sheets); (3) Rewinding (the slit labels are neatly wound into standard rolls). All 3 processes are indispensable: die-cutting determines the shape, slitting determines the size, and rewinding determines the quality. Each process takes 1-3 days to complete, with a total post-printing cycle of 5-7 days.
What is the die-cutting process?
Die-cutting is the process of cutting labels using a die (steel pieces arranged in the designed shape). 3-step process: (1) Mounting the die — install the die on the die-cutting machine; (2) Adjusting machine pressure — adjust according to paper thickness; (3) Die-cutting in batches — automatic die-cutting at 10,000 sheets/hour. 3 common issues: (1) Die wear (decreased precision); (2) Die-cutting misalignment (label size deviation); (3) Rough edges (uneven borders). Simple home test: check whether edges are flat after die-cutting + whether the cut surface is vertical.
How is precision controlled in the slitting process?
Slitting is the process of cutting large label rolls into smaller rolls (according to customer dimensions). Three precision control points: (1) slitting blade accuracy — ±0.1mm; (2) tension control — stable web tension during slitting (to avoid stretching deformation); (3) winding evenness — flat and wrinkle-free roll ends. Three common problems: (1) off-center cutting (uneven edges); (2) stretching (label deformation); (3) wrinkling (uneven roll ends). Three precision grades: Grade A (±0.1mm) / Grade B (±0.3mm) / Grade C (±1mm). Grade A is recommended for high-precision applications (such as QR code labels).
What is the purpose of the rewinding process?
Rewinding is the process of neatly winding slit label rolls into standard rolls. Three core functions: (1) Appearance — neat, wrinkle-free roll ends; (2) Counting — accurate counting according to customer quantity; (3) Packaging — standard rolls are easy to transport and store. Three common issues: (1) Inaccurate counting (+1/-1 pieces); (2) Excessive tension (stretching deformation); (3) Insufficient tension (loose roll ends). Three types of rewinding methods: manual rewinding (slow but precise) / semi-automatic / fully automatic. Roll-form labels must be rewound, while single labels do not require rewinding.
How to inspect and accept post-press finishing processes?
3-Step Acceptance: (1) Sampling 5% of rolls — check die-cutting quality + slitting precision + rewinding neatness; (2) Test 100 pieces of labeling — check flatness + peelability; (3) Real-scenario testing — apply to product for 7 days to check for detachment. Passing all 3 steps = qualified. Recommended: mandatory verification for first-time cooperation with any new supplier, and monthly random inspection for existing suppliers.
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