Lexmark XC9455
Intermittent 900 firmware error appears on the printer and scanner is too hot at some point.
Turn off the printer and power it back on after one minute.
Check the printer if the error message still appears.
Check the surface of the scanner and verify if becomes too hot.
Lexmark CX92x, XC92xx, MX91xx, XM91xx: Printer Displays 824.00 Scanner Error upon Boot-Up
When users scan an ID Card onto the scanner glass, the device is not able to detect the paper size and scan. Instead, it always throws the intrusive red dialogue saying, "Original size not recognized."