Oki ES3640MFP Service & Troubleshooting Manual page 42

Last press the On Line button to change from the Tens column to the Hundreds (ex. T=110)
column and once again use the Menu Up & Menu Down buttons to change the value.
Once the T value for P=1 is set correctly press the Enter button to exit the value adjustment.
Press the Menu Up button to change between P values, and repeat the steps above to enter the
correct measurement values for P=2, P=3, & P=CHK.
Once all of the values are set correctly for all four transparency sheets, press the Back button so
that the display now reads "EDIT THICKNESS DATA" again.
Press the Menu Up button so that the display reads "WEIGHT SCAN ADJ EXEC".
Place the stack of 4 transparency sheets in the MP tray so that they are stacked according to step 6.
Press the Enter button, and the unit should begin feeding all 4 sheets.
Once all 4 sheets are fed, the display should read OK in the top left corner.
Once OK is displayed the adjustment procedure is completed. If FAIL is displayed the Auto Media
Sensor must be adjusted and/or replaced and the procedure must be done over.
Press the Back button twice, then press and hold the Shut Down/Restart button until the display
says to power off, then cycle the printer power off/on.