User's Reference
Page 45
Message appears if user presses Duplex on the printer. Check printer documentation for all scanner and printer combinations. This message does not display for information about installing the duplex option. Copy error messages 40 Toner cartridge door is not installed correctly on the MFP control panel, but the duplex option is open. Error Close Door No Duplex Option Installed Description Message appears in the top line of the control panel display.
Message appears if user presses Duplex on the printer. Check printer documentation for all scanner and printer combinations. This message does not display for information about installing the duplex option. Copy error messages 40 Toner cartridge door is not installed correctly on the MFP control panel, but the duplex option is open. Error Close Door No Duplex Option Installed Description Message appears in the top line of the control panel display.