1-Do a Back up of DC Controller Settings > using Service Mode; Level 2 > Copier > Function > System > DSRAMBUP.
2-Then, Clear the DC Controller using Service Mode; Level 1 > Copier > Function > Clear > DC-CON.
3-Then cycled printer off/& back on.
4-Next, Restore the DC Controller Settings > using Service Mode; Level 2 > Copier > Function > System > DSRAMRES
5-Then cycled printer off/& back on.
CHECK YOUR OPERATIONS> for Copying > Printing
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if that fails>>>>>>>>>>>>>>
Clear the DC Controller Settings and input the Front Door Settings Manually back into the Controller.
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