Original Source: http://www.dell.com/support/article/in/en/indhs1/sln133381/how-to-troubleshoot-900-firmware-blue-screen-errors-on-dell-laser-printers?lang=en

Follow the guidance provided in this article to troubleshoot 900 firmware or blue screen errors you may see on your Dell Laser Printer.

Table of Contents

1. Explanation of Errors
2. Restart the Printer with the Data Connections Removed
3. Clear the Print Queues
4. Reinstall the Driver
5. Change the Printer’s IP Address
6. Update the Printer’s Firmware
7. Reset the Printer’s NVRAM
8. Steps for Printing Corrupt Jobs

Explanation of Errors

900 firmware errors are most commonly caused by an issue with the information which is sent to the printer and rarely indicate a hardware related issue.

When corrupt data causes one of these errors to occur, isolating the printer from the print job, driver, system, or network can help determine the source of the corrupt information.

Restart the Printer with the Data Connections Removed

1. Turn the printer off.
2. Disconnect the printer from