Brother MFC-490CW Scanning Glass Replacement

简介

The glass that you place your documents on can break or crack causing this function to be unusable. This guide will show and explain how one can isolate and then replace the scanner glass.

你所需要的

步骤 1 Removing Scanner Header

Brother MFC-490CW Scanning Glass Replacement, Removing Scanner Header: 步骤 1 中的图像 1，3

Brother MFC-490CW Scanning Glass Replacement, Removing Scanner Header: 步骤 1 中的图像 2，3

Brother MFC-490CW Scanning Glass Replacement, Removing Scanner Header: 步骤 1 中的图像 3，3

Twist green section to allow the scanner head to have a full range of motion.

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步骤 2 Removing Scan Header

Brother MFC-490CW Scanning Glass Replacement, Removing Scan Header: 步骤 2 中的图像 1，3

Brother MFC-490CW Scanning Glass Replacement, Removing Scan Header: 步骤 2 中的图像 2，3

Brother MFC-490CW Scanning Glass Replacement, Removing Scan Header: 步骤 2 中的图像 3，3

To remove scanner head, open it halfway as possible and slide the hinges out of place and the head will be removed.

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步骤 3 Remove scanner head connection to printer

Brother MFC-490CW Scanning Glass Replacement, Remove scanner head connection to printer: 步骤 3 中的图像 1，3

Brother MFC-490CW Scanning Glass Replacement, Remove scanner head connection to printer: 步骤 3 中的图像 2，3

Brother MFC-490CW Scanning Glass Replacement, Remove scanner head connection to printer: 步骤 3 中的图像 3，3

The panels to expose the cords will become exposed when the head is removed.
Pull all colored cords from the printer and unscrew the other wire to be fully removed.
Pull the black tab from the printer to remove.

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步骤 4 Removing the bottom screws

Brother MFC-490CW Scanning Glass Replacement, Removing the bottom screws: 步骤 4 中的图像 1，2

Brother MFC-490CW Scanning Glass Replacement, Removing the bottom screws: 步骤 4 中的图像 2，2

Once scanner is free from the printer remove all the screws on the bottom base
Use a #2 Philips head screw driver to remove the two 12.1mm screws.

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步骤 5 Exposing scanner glass

Brother MFC-490CW Scanning Glass Replacement, Exposing scanner glass: 步骤 5 中的图像 1，3

Brother MFC-490CW Scanning Glass Replacement, Exposing scanner glass: 步骤 5 中的图像 2，3

Brother MFC-490CW Scanning Glass Replacement, Exposing scanner glass: 步骤 5 中的图像 3，3

To separate the base from the glass hold upright and separate along the edge where you removed the screws.
Use hands to expose the glass.
Keep track flat once glass is removed as to not lose little parts.