Tsewang Tolden posted an answer for this Brother MFC 420CN All-In-One InkJet Printer:
"error 46"
Tsewang Tolden posted a question about Brother MFC 490cw Color Inkjet Multi-Function Printer:
"machine error 46"
Tsewang Tolden posted an answer for this Konica Minolta bizhub C450P Laser Printer:
"touch panel is not working"