Devluent
Direct Mail & Printing

Paper Roll OptimizationSystem

How we helped Darwill reduce paper waste by 35% through intelligent job splicing and automated roll optimization for their direct mail printing operations.

CLIENT

Darwill

Full-service direct mail and multi-channel marketing agency

TIMELINE

4 weeks

February 2024

TEAM SIZE

2 specialists

Full-stack specialists

The Challenge

Inefficient Paper Roll Usage

Darwill, a full-service agency offering direct mail and multi-channel marketing services with in-house printing capabilities, faced significant waste in their production process:

  • One job per roll leaving significant unused paper
  • No automated way to combine multiple jobs efficiently
  • Difficulty identifying where one job ends and another begins
  • Manual calculations prone to errors and inefficiency

Without automated job splicing capabilities, Darwill was printing one job per roll, leading to substantial paper waste and increased production costs.

35%
of paper rolls went to waste due to inefficient usage

Our Solution

An intelligent paper roll optimization and job splicing system

Smart Job Splicing

Automated algorithm that analyzes PDF job lengths in feet and intelligently combines multiple jobs to maximize roll utilization.

Roll Calculation Engine

Precise calculation system that determines optimal job combinations to achieve near-full roll usage while maintaining production efficiency.

Separator Template Generation

Automatic generation of templated separator PDFs that clearly indicate where each customer's job begins and ends on the combined roll.

Production Workflow Integration

Seamless integration with existing printing workflow, providing clear instructions for operators and quality control staff.

Implementation Process

A focused 4-week optimization deployment

1

Process Analysis

1 week

Detailed analysis of current printing workflow, roll specifications, and job measurement processes to understand optimization opportunities.

2

Algorithm Development

2 weeks

Development of roll calculation algorithms and job splicing logic optimized for Darwill's specific equipment and production requirements.

3

Integration & Testing

1 week

Integration with existing systems, comprehensive testing with real production data, and operator training for seamless adoption.

Measurable Results

Significant improvements in material efficiency and cost reduction

35%
Waste Reduction
Paper waste eliminated through intelligent job combining
$50K
Annual Savings
Cost savings from reduced paper waste and improved efficiency
90%
Roll Utilization
Average roll utilization increased from 65% to 90%
25%
Productivity Gain
Overall production efficiency improvement

Additional Benefits

Environmental Impact

Significant reduction in paper waste contributing to sustainability goals

Improved Quality Control

Clear separator templates eliminated confusion between different customer jobs

Streamlined Operations

Automated calculations reduced manual planning time and human error

Better Resource Planning

More accurate material forecasting and inventory management

Technologies Used

Cutting-edge tools and frameworks powering the solution

Python

JavaScript

PDF Processing

Algorithm Design

Web Interface

GitHub

"The roll calculation system has been a game-changer for our printing operations. We've dramatically reduced waste while improving our production efficiency. It's exactly what we needed to optimize our workflow."
Production Manager
Production Manager
Darwill

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