Labor-saving laser marker that replaces manual work with automatic printing.

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LMS-K500ML (Inline CO2 Laser Marker / Automation for Labeling and Visual Inspection to Reduce Labor)

last updated：Jul 31, 2026

Horiuchi Electronics Co., Ltd. Development Division

Replace manual label application and visual inspection with automatic printing and reading verification, enabling stable operation of board identification even with a small number of people.

As the working-age population decreases, the replacement of manual tasks such as hand-labeling, handwritten management, and visual inspections is one of the challenges in manufacturing sites. The LMS-K500ML is an inline CO2 laser marker that directly marks a unique ID (2D code or text) on the circuit board itself at the very beginning of the SMT assembly line, automatically handling everything from printing to reading verification. 【Usage Scenarios】 - Replace manual labeling and handwritten management numbers with direct laser printing to reduce labor. - Substitute visual inspections after printing with automatic reading judgments using image processing cameras. - Provide a stable unique ID for each circuit board without relying on skilled workers. 【Benefits of Implementation】 - Eliminate human errors such as mislabeling and number skipping, ensuring sequential management even with a small workforce. - Reduce the labor involved in visual inspections and redirect limited personnel to higher value-added tasks. - Achieve stable quality assurance that is not affected by the skill level of operators.

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basic information

This is a device specification that enables labor-saving through the replacement of visual inspection and manual work. 【Features】 - Equipped with Keyence 3-axis CO2 laser marker ML-Z9600 series (30W) for high-speed printing over a wide area. - Automatic execution of XY position correction, front and back identification, and 2D code reading judgment after printing using an image processing system. - Supports alphanumeric characters, kanji, 2D/1D codes, serial numbers, and dates, automating the process from numbering to printing. - Compatible materials include resin-based substrates such as FR-4, CEM-3, and paper phenol, with a board thickness of 0.6 to 2.2 mm. - Target substrates can be a maximum of 380×280 mm and a minimum of 50×50 mm, with a substrate weight of up to 800 g. - Completely airless and does not require cooling water, operating solely on AC100V connection (200V specification is also possible). No ink or labels are needed, resulting in zero consumables. 【Our Strengths】 Approximately 30 years of experience in laser printing and traceability. Made in Japan, minimizing the risk of technical information leakage. We offer free test printing (work tests) on actual substrates.