Digital Printing कधी फायदेशीर ठरते?
Topic - 5
Digital vs Offset Printing Profit
(Digital vs Offset
Printing – Technical Cost & Profit Analysis)
Introduction –
Reality Check
1️. Digital Printing – Technical
Cost Anatomy
Digital printing चा खर्च linear असतो (प्रत्येक impression ला ठरलेला खर्च).
🔧 Cost Components:
Click cost (color
/ mono), Toner / ink coverage %
Drum / imaging unit
life, Fuser / belt depreciation
Power + idle cost, Operator
time
📌 Digital मध्ये:
प्रत्येक sheet = खर्च निश्चित
🧮 Example (Realistic
numbers):
Color click cost:
₹2.20
Paper (130 GSM):
₹3.00
Avg coverage (40%):
included
Effective cost /
sheet ≈ ₹5.20
👉 Quantity 200 असो वा 2,000, Cost per sheet almost same यालाच म्हणतात:
Linear Costing Curve.
2️. Offset Printing – Technical
Cost Anatomy
Offset printing चा खर्च Non-linear असतो (initially heavy, नंतर Smooth).
🔧 Cost Components:
A) Plate cost
B) Make-ready wastage
C) Ink (very low per
sheet)
D) Machine hour cost
E) Operator skill
factor
F) Rejection risk
📌 Offset मध्ये: पहिले 200 sheets तोट्याचे, पुढचे 10,000 नफ्याचे
🧮 Example:
- Plate: ₹600
- Make-ready wastage: 200 sheets
- Ink + power: ₹0.40 / sheet
- Paper: ₹3.00
👉 500 qty:
Cost / sheet ≈ ₹6.50 ❌
👉 5,000 qty: Cost / sheet ≈ ₹3.80 ✅
यालाच म्हणतात: Cost Dilution Through Volume.
3️. Break-Even Point –
Mathematical View
Break-even म्हणजे: Digital total cost = Offset
total cost
Simplified formula:
- Digital Cost = Qty × D (#D = Digital)
- Offset Cost = Plate + (Qty ×
O) (#
O= Offset variable cost per sheet)
Break-even qty:
Plate ÷ (D − O)
Example:- Plate = ₹600
- Digital = ₹5.20
- Offset = ₹3.80
Break-even: 600 ÷ (5.20 − 3.80) ≈ 428
sheets
📌 पण… Actual presses मध्ये Safety Margin धरून 700–800 sheets घेतली जाते.
4️. Color Coverage – Silent
Killer (Technical Point)
Digital मध्ये: 20% coverage ≠ 80% coverage, Toner
consumption exponentially वाढतो.
Example:
Logo job → Cheap, Background full color → Costly
Offset मध्ये: Coverage वाढला तरी Ink Cost Negligible
📌 म्हणून:
Heavy color jobs = Offset
friendly
Light coverage jobs = Digital friendly
5️. Registration &
Consistency – Technology Reality
Digital:
Perfect first copy पण long run मध्ये color drift possible
Offset:
Initial setup
painful पण once set → 10,000 sheets
identical
📌 Brand jobs मध्ये offset consistency still
superior
6️. Machine Utilization Factor
(Advanced Insight)
Digital machine idle असेल तर: Depreciation चालू Click counter नाही, पण EMI चालू .
Offset machine idle
असेल तर: Zero running cost Only
opportunity loss
📌 Low volume press साठी: Digital safer
📌 High volume press साठी: Offset king
7️. Failure Zones (Real Press
Mistakes)
❌ Digital वापरून: 10,000 pamphlets छापणे,
Full background color
❌ Offset वापरून: 200 visiting cards,
Variable
data jobs
दोन्ही ठिकाणी: “काम झालं, पण Profit मारला गेला” 😄
8️. Ideal Hybrid Model (Industry
Best Practice)
|
Stage |
Technology |
|
Proof |
Digital |
|
Sample |
Digital |
|
Short run |
Digital |
|
Long run |
Offset |
|
Reprint |
Digital |
👉 Result:
Waste control, Faster
deliver, Higher net margin
Conclusion – Engineer’s Truth
Digital Printing: Linear
cost Flexible Short-run friendly
Offset Printing: Scalable
cost, Stable, Volume champion
📌 Technology नाही, Job Analysis Profit ठरवतो.
🔗 Related Articles:
🔗🔹 Next Topic (No. 06)
Printing मध्ये Quality Fail का होते?
– Operator, Machine की Management?
हा लेख Printing A to Z Marathi मालिकेतील एक भाग आहे. पुढील भाग दर रविवारी सकाळी प्रकाशित होतो.
🤝अनुभवी सल्ला हवा आहे?
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