900.00Lexmark B2236dw

Fixing Lexmark B2236dw Error 900.00: Firmware Issue

The 900.00 error is a generic Lexmark code referencing a software exception or firmware failure. This error typically occurs during complex job processing or startup. In most cases, it is easily resolved via a firmware update or a system cache clear.

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Common causes

  • 1Corrupted print job file from a client machine.
  • 2Outdated firmware conflicting with OS updates.
  • 3Temporary RAM controller glitch.

Solutions

Power Cycle

  1. Turn off the printer power switch.
  2. Disconnect the power cable and any interface cables.
  3. Wait 60 seconds to discharge capacitors.
  4. Reconnect and power on.

Firmware Update

  1. Visit the Lexmark support site for your B2236dw model.
  2. Download the latest available firmware bundle.
  3. Follow the installation steps via USB connection.

Steps to follow

  1. 1

    Clear print queue

    Clear all pending documents from your workstation's print spooler.

  2. 2

    Download firmware

    Acquire the latest version from the official Lexmark website.

  3. 3

    Install update

    Run the firmware utility, ensuring constant power during the process.

Frequently asked questions

It is typically software-based. An update is the standard resolution method.

It can brick the logic board. Ensure your power supply is reliable.

Yes, keeping Universal Print Drivers updated prevents future software conflicts.