If you are experiencing in accurate supply reading on your Xerox Phaser 7800, please ensure it is using the latest version of system software. We have found that the older System Software 081.150.102.023300 does not match the supplies properly and is fixed in newer releases from Xerox.

Maintaining firmware upgrades will always ensure you are using the latest manufacturer's specifications for your device, this not only helps the functionality of the device but also supportability between you and Xerox if issues arise with the device.