Konica Minolta Magicolor 2490MF - Manual (Page 131)

Replacing the Toner Cartridge 119
15
Press the Stop/Reset key.
The message is erased from the message window, and machine is reset
so that it can continue printing.
"
If no operation is performed for more than 30 seconds after the
scanner unit is closed, the machine is automatically reset so that it
can print.
"
The machine must complete a calibration cycle (less than 2 minutes)
after a toner cartridge has been replaced. If you open a cover before
the machine is reset, the calibration stops, then starts over again after
the cover is closed.