If the sensors are covered in dust, they cannot "see" the toner density accurately.
Issues with the toner dispense motor, drum cartridge, or the ESS/MCU PWB (main circuit board).
Poor contact or short circuits in the wiring between the sensor and the control board. Step-by-Step Troubleshooting Guide Xerox Error Code 092 910 Pdfsdocuments2
If these steps do not clear the message, you may need to replace the or the MCU PWB through an Authorized Xerox Service Provider .
is a critical fault indicating an issue with the printer's density sensors, specifically identifying ATC (Auto Toner Control) Sensor Fail or CTD (Color Toner Density) Sensor Dustiness . When this error triggers, the printer typically halts operations to prevent poor print quality or mechanical damage caused by incorrect toner concentration. Understanding the 092-910 Error If the sensors are covered in dust, they
Enter sub-code (for ATC Fail) or 060 (for Continuous Count) and press Start . Change the value to 0 and press Start to save. Exit the service menu and restart the machine. Preventive Maintenance Tips
Locate the CTD/ADC sensor (usually behind the rear cover or near the transfer belt). Step-by-Step Troubleshooting Guide If these steps do not
High humidity can cause toner to clump, leading to "blockage" errors in the dispense path.
For models like the WorkCentre 5024, the error flag may be "locked" in the NVRAM and requires a manual reset even after the physical cause is fixed. Turn on the printer.