The Focus First Flash MS1690 is a barcode scanner that can read 1D and 2D barcodes in any orientation. It is equipped with Metrologic’s FirstFlash technology for quick throughput and high performance. However, to use this scanner with your PC, you need to download and install the correct driver.

In this article, we will show you how to troubleshoot some common issues with the Focus First Flash MS1690 scanner, and where to find the installation and user guide for this device. We will also provide you with a link to download the latest driver for your scanner.

If you encounter any problems with your Focus First Flash MS1690 scanner, such as razzberry tones, flashing LEDs, or no response to configuration barcodes, you can follow these steps to diagnose and fix the issue[^1^]:

• Check if the scanner is properly connected to the PC and powered. You can find useful information about this in the installation section of the user guide.
• Make sure you have scanned the suitable configuration barcodes indicated in the manual. You can find these barcodes in the appendix of the user guide.
• If the scanner does not respond to configuration barcodes, then the unit should be sent for service.
• If possible, check if other components of the installation are working properly or are in good condition, such as PC keyboard, scanner cables, connectors bended, missing or damaged pins in the Mini Din PS2 male connector, etc.

If you have a MS1690 Focus Rev. A USB -38 USB LS (low speed USB) interface, you may encounter an USB compliance issue. This is because the firmware for the co-processor that supports the USB interface does not match with the USB port from the host. As the co-processor firmware is ROM based and cannot be flashed, there is no technical solution. You should contact Honeywell sales for a commercial solution[^2^].

If you need more information about how to use your Focus First Flash MS1690 scanner, you can download the installation and user guide from this link[^1^]. This guide contains detailed instructions on how to set up, configure, operate, and maintain your scanner. It also includes troubleshooting tips, specifications, warranty information, and more.

To use your Focus First Flash MS1690 scanner with your PC, you need to download and install the latest driver for your device. You can find the driver from this link[^3^]. Follow these steps to download and install the driver:

1. Click on the link above and save the file to your computer.
2. Unzip the file and run the setup.exe file.
3. Follow the on-screen instructions to complete the installation.
4. Restart your computer if prompted.
5. Connect your scanner to your PC and scan a barcode to test if it works.

Congratulations! You have successfully downloaded and installed the Focus First Flash MS1690 driver. You can now enjoy scanning barcodes with your device.