Oki MC851+ - The Touch Screen Display; The LED Head

Maintenance > 139
... THE TOUCH SCREEN DISPLAY
To clean the display surface, use a soft cloth, either dry or moistened with neutral detergent
or ethanol. Do not use any organic solvents, acid or alkali solutions.
... THE LED HEAD
Clean the LED head when printing does not come out clearly, has white lines or when text
is blurred.
There is no need to switch the MFP off to clean the lens.
1. Pull the lever (a) firmly to release the lock and then gently raise the scanner (b).
2. Press the cover release (a) and open the top cover (b) fully.
CAUTION!
Be careful not to stress or damage the touch screen display.
b
a
b
a