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Dapra Marking Systems
A Division of Dapra Corporation
66 Granby Street
Bloomfield, CT 06002
Tel: 860-286-8728
Toll-Free: 800-442-MARK
Fax: 860-242-3017

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M4 Inline Part Marking Solution

Inline Marking System with 16-Bus Card for Industrial Traceability

DAPRA's new M4 Inline is a turnkey solution that features an integrated 16 bus card and eliminates need for vision identification/control equipment, making it the ideal solution for efficient, cost-effective inline part marking everywhere from automated production lines to manual loading stations and custom-engineered systems.

Download the Multi 4 spec sheet Download the M4 brochure and spec sheet (4mb PDF)
Download the M4 Controller data sheet (410k PDF)
Download the M4 Marking Head data sheet (340k PDF)

Watch the M4 Inline demo video:


With up to 1,000 possible settings, the Multi 4 can mark numbers, letters, logos, special characters and Data Matrix Codes of varying heights and depths. The machine can mark several characters per second and, since the characters are indented into the material, the marking is permanent.

M4 Inline Part Marking Solution
Part marking in automated production lines and manual loading stations  

Easy Integration

Multiple mounting options and marking head sizes are available for easy integration into existing production lines and new custom systems. The M4 includes a high-res color screen and user-friendly software, with no PC required for operation.


IDI Mark & Track

IDI Mark technology ensures consistent marks, even on uneven surfaces. IDI Track detects missed parts or marks and predicts production outages, eliminating the need for expensive vision equipment and significantly reducing downtime.

  IDI Mark & Trace for consistent marks, maximized production efficiency
Inline part marking for custom applications  

Permanent Dot Peen Marking

Mark text, logos, data matrix codes, barcodes, date codes, QR codes, serial numbers and much more.

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M4 Inline 50 Technical Features

Marking Head
(L x W x H)
1.97" x 2.16" 5.43" x 4.88" x 8.85" 8.15 lbs.
Control Box
AC power 9.44" x 9.64" x 4.33" 6.17 lbs.

Marking Head Configurations

Head 50 (1.97" x 2.16")
Head120 (4.72" x 2.16")
Head 200 (7.87" x 2.16")
Operating Parameters
Power: 250 W
Frequency: 50 to 60 Hz
Input power: 90 to 240 V
Operating temperature: 32°F to 113°F (0°C to 45°C)


2006/42/CE «machines» directive
2004/108/CE «CEM» directive
2006/95/CE «low voltage» directive
FCC Chapter 15 directive
Unit Control Box Features
High-resolution (640x480) color screen with icon-based navigation
Industrial USB keyboard
Intelligent handling of the marking (IDI Mark & Track)
RS232 connection, 16 bus card, Ethernet, 2 USB ports (Device & HOST)
Embedded software in different languages
Memory capacity of 40Mb (up to 20,000 stored marking files with 40 characters/line)
Maintenance menu: interventions preventive management, self-diagnostic function, dashboard use
Fast updates through USB port
Various marking modes: text, variable data, serial numbers, time stamp, logos and Data Matrix codes (2D), QR codes and standard OCR font

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