OpScan 4ES

Name: OpScan 4ES
Brand: Scantron
Availability: InStock

The OpScan 4ES is the world's most trusted OMR scanner, delivering a throughput of 2,800 sheets per hour with the accuracy that defined an industry. Compact enough for any desktop, yet powerful enough for your most critical data initiatives.

the challenge

In environments like K-12 state testing, university evaluations, or government audits, a single misread bubble can compromise the integrity of an entire project.

The Scantron Solution

The OpScan 4ES provides an audit-ready physical trail with specialized sheet thickness detectors to prevent multi-feed errors and self-diagnostics that ensure your hardware is always running at peak performance.

Design

Optimized to read both Mark Reflex and Trans-Optic forms designed by our expert team.

Capture

High-speed desktop scanning with dual read heads for simultaneous two-sided form capture.

Automate

Feeds directly into Scantron’s automated scoring engines to turn paper into digital records instantly.

Analyze

Delivers clean, validated data into your longitudinal reporting dashboards for immediate action.

Specification

Throughput: Up to 2,800 sheets per hour
Feeder: 100-sheet hopper
Read Technology: 16-level OMR
Forms: 2.5" x 5" to 9" x 14"

System Requirements

OS: Windows 10 64-bit (with all hotfixes/service packs)
Processor: Pentium® 1 GHz 32-bit (x86) or 64-bit (x64) minimum
Memory: 1 GB minimum
Storage: 40 GB drive with at least 15 GB available
Display: Monitor at 1024 x 768 or higher
Hardware: CD-ROM drive (for installation), USB 2.0 (for OMR processing)

Programmable Interactive Printer

Prints scores, serial numbers, or validation flags directly on forms during the scan.

Select Stacker

Automatically separates forms that fail edit checks, ensuring your final data set is error-free.

SelfScore® Module

Ideal for classrooms, turning your scanner into an immediate test-scoring and survey engine.

Technical Resources

OpScan 4ES Brochure

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Ready to bring the gold standard to your desktop?

Our hardware specialists can help you determine the best configuration for your specific volume and industry requirements.