---
title: Scanner Glass Replacement
description: Scanner glass replacement
---

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1. [Patronscan Support Articles](https://support.patronscan.com/?hsLang=en)
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# Scanner Glass Replacement

## Tools Required #2 Phillips-head screwdriver Plastic pry tool or small flathead screwdriver Cut-resistant gloves (recommended)

 Step-by-Step Instructions

### 1. Power Off and Prepare the Unit

- Unplug the scanner unit from power before beginning.
- Place the unit on a clean, padded workspace with adequate lighting.
- Wear cut-resistant gloves when handling the scanner and glass.

### 2. Remove the Screws

1. Flip the scanner upside down.
2. Using a Phillips-head screwdriver, remove the **six (6) screws** from the bottom of the unit.
3. Remove the **two (2) screws** from the back side of the scanner, located below the back panel.
4. Set all screws aside in a safe location for reassembly.

### 3. Separate the Base from the Housing

1. Turn the unit upright.
2. Starting at the front opening, below where the tablet is located, gently insert the pry tool between the top and bottom sections of the scanner opening.
3. Apply light, steady pressure to separate the housing.
4. Work around the opening carefully to avoid damaging the housing or internal components.

### 4. Disconnect the Scanner

1. Once the base is loose, locate the cables connecting the scanner to the upper portion of the base.
2. Gently disconnect the **white data cable** and **black power cable**.
3. Once both cables are disconnected, remove the bottom base completely.

### 5. Remove the Internal Scanner

1. With the bottom base detached, gently lift the internal scanner assembly from its seated position.
2. If necessary, use a plastic pry tool to assist with removal.
3. Apply light upward pressure near the center edge of the scanner assembly.

### 6. Replace the Scanner Glass

1. Remove the **self-threading Phillips-head screw** from the bottom of the scanner.
2. Slide the old glass toward the rear of the scanner and pull it out.
3. Before installing the new glass, verify that the **alignment rod and scanner are properly positioned on the belt**.
4. The scanner should be firmly seated against the belt. **It should not slide freely along the belt.**
5. Slide the new glass into position from the rear of the scanner.
6. Reinstall the self-threading Phillips-head screw to secure the glass.

### 7. Reassemble the Unit

1. Reconnect the **white data cable** and **black power cable**.
2. Carefully reinstall the bottom base onto the scanner housing.
3. Flip the unit over.
4. Reinstall the **six (6) screws** on the bottom.
5. Reinstall the **two (2) screws** on the back side of the scanner.

 Final Steps

1. Plug the scanner unit back into power.
2. Power the unit on.
3. Test the scanner to verify that the new glass is installed correctly and the scanner is functioning properly.
4. If the scanner does not operate correctly, power the unit off and verify that both internal cables are securely connected and that the scanner assembly is properly seated.

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