Auto Media Adjustment Calibration Procedure

Calibrate the Auto Media Detection sensor on the C9600 and C9800 units.

The auto media adjustment procedure is a two step process. There is a rough and fine ajustment that needs to be made. Both of these steps should be performed when doing the calibration.

In order to do the adjustment process the Pre-Measured Transparency Pack P/N 42527801, is required. This procedure is only required when replacing the Paper Thickness Sensor, Resist Roller and PU PCB or if the sensor is suspected of being out of calibration. Symptoms of which might be:

A) "Non Paper Sense" error
B) "Paper Too Thick" error
C) Media not fusing properly when the media setting is left at Auto, but fuses fine if a specific media setting is selected

A. Rough Adjustment

1. Power the unit on while holding the Menu Up + Menu Down + Help buttons, and continue to hold them until "System Maintenance" is displayed.

2. Press the Menu Down button until "Diagnostic Mode" is highlighted, and then press the Enter button.

3. Press the Menu Up button until “SWITCH SCAN” is displayed, and press the Enter button.

4. Press the Menu Up button until “REG L/R_DENS_WEIGHT” is displayed, and press the Enter button.

5. 4 Hexadecimal numbers will be displayed. Only look at the 4th number. xxx, xxx, xxx, xxx (example: 09E, 27D, 000, 12C)

6. Adjust the 4th number as close to the desired 12C as possible (acceptable range being: 10E ~ 13E) by rotating the adustment screw (See illustration below).

7. Press the Back button three times to exit diagnostic mode, and restart the printer.

B. Fine Adjustment

1. Power the unit on while holding the Menu Up + Menu Down + Help buttons, and continue to hold them until "System Maintenance" is displayed.

2. Press the Menu Down button until "Diagnostic Mode" is highlighted, and then press the Enter button.

3. Press the Menu Up button until "MEDIA WEIGHT ADJ PA" is displayed and press the Enter button.

4. The display should now read "EDIT THICKNESS DATA", press the Enter button again and now "THICKNESS SAMPLE PAGE P=3" should be displayed.

5. Press the Menu up button and the display should now read:
"PAPER THICKNESS=:P1"
"T=100um OFFSET=0000H"

6. At this point the measurements of all 4 transparency sheets are going to be entered as follows:
P=1 - This is the top sheet when placed in the MP tray
P=2 - This is the second sheet
P=3 - This is the third sheet
P=CHK - This is the bottom sheet that is placed in the MP tray

7. To enter the value for P=1, press the Enter button so that the Ones unit columns begins flashing (example: T=110um, the digit in red will be flashing).

8. Use the Menu UP & Menu Down buttons to change the value of the Ones column.

9. Next, press the On Line button to change from the Ones to the Tens column (ex. T=110um), and again use the Menu Up & Menu Down buttons to change the value.

10. 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.

11. Once the T value for P=1 is set correctly press the Enter button again to exit the value adjustment.

12. Press the Menu Up button to change between P values, and repeat steps 7-11 to enter the correct measurement values for P=2, P=3, & P=CHK.

13. 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.

14. Next press the Menu Up button so that the display reads "WEIGHT SCAN ADJ EXEC".

15. Place the stack of 4 transparency sheets in the MP tray so that they are stacked according to step 6.

16. Press the Enter button, and the unit should begin feeding all 4 sheets.

17. 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 printers power off/on.

Copyright^© 2004, Oki Data, Americas, Inc.