900-80CS727de

Lexmark CS727de error 900.80: Troubleshooting Guide

Lexmark CS727de error 900.80 is a firmware communication exception indicating that the printer's controller board has encountered an unhandled data packet. Many administrators wonder how to fix 900.80 error on Lexmark CS727de when it occurs during high-volume document processing, often due to file format conflicts. This guide provides the necessary steps to reset the device and restore stable communication with your local network or workstation.

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Common causes

  • 1Data corruption from the print driver.
  • 2Firmware version incompatibility with the current OS.
  • 3Network noise causing packet loss or misalignment.
  • 4Controller board cache exhaustion during large jobs.

Solutions

Quick Diagnosis

This error manifests as a system hang during data processing. If the screen displays 900.80 while the 'Data' light is active, it indicates a communication buffer overflow or error.

Step-by-Step Solution

  1. Power off the printer completely.
  2. Disconnect the network cable or USB cable to clear the local buffer.
  3. Clear the print spooler on the PC initiating the job.
  4. Restart the printer and verify it reaches a ready state.
  5. Reconnect the network and send a test page to verify connectivity.

Prevention and Maintenance

Always keep the printer firmware up to date. Avoid printing highly complex vector graphics without using a print server to manage data flow.

When to Call a Technician

If the error persists after a factory reset or re-flashing the firmware, the controller board may have a memory corruption issue that requires hardware replacement.

Device Specifications

  • Technology: High-Speed Color Laser
  • Speed: Up to 50 ppm
  • Connectivity: USB, Ethernet
  • Feed Capacity: 650 sheets
  • Compatible Consumables: Lexmark 74C Series
  • Recommended Use: Corporate Enterprise
  • Official Drivers/Firmware

Steps to follow

  1. 1

    Shut down

    Power off and disconnect network cables.

  2. 2

    Clear queue

    Clear all pending jobs on your host computer.

  3. 3

    Reboot

    Power on the device and verify connectivity.

Frequently asked questions

Try a full power cycle and clearing your printer spooler to fix the error.

It is a firmware exception error usually resolved by a reboot.

The printer uses the 74C series high-yield cartridges.

Check for updates every few months via the support page.