---
title: MB104MFC640M – Install Guide
description: "### What’s In This User Guide? This guide will walk you through the steps of installing and using the M20A03-MB104MFC640M - New LED Replacement back-light for MAZATROL 640 M (PC-FUSION-CNC) or LCD# NEC NL6448AC33- & NEC NL6448BC33. You’ll find out…"
url: "https://t2industrial.com/knowledgebase/install-guides/m20a03-mb104mfc640m-new-led-replacement-back-light-for-mazatrol-640-m-pc-fusion-cnc-or-lcd-nec-nl6448ac33-nec-nl6448bc33/"
updated: "2025-02-28"
category: Install Guides
---

# MB104MFC640M – Install Guide

### What’s In This User Guide?

This guide will walk you through the steps of installing and using the M20A03-MB104MFC640M - New LED Replacement back-light for MAZATROL 640 M (PC-FUSION-CNC) or LCD# NEC NL6448AC33- & NEC NL6448BC33. You’ll find out how to use the device, where it can be used, and how to use it effectively.

### Who Is This Guide For?

This user guide is designed for anyone who needs to use and or install the M20A03-MB104MFC640M - New LED Replacement back-light for MAZATROL 640 M (PC-FUSION-CNC) or LCD# NEC NL6448AC33- & NEC NL6448BC33. It’s also designed for anyone who wants to learn more about this product by reading through it.

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