Epson Stylus Pro 9900 - Rear Sensor AD Adjustment

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
ADJUSTMENT PF Related Adjustment 415
Confidential
5.5.7 Rear Sensor AD Adjustment
This allows you to acquire AD values of the newly attached Rear Sensor to store them
onto the Main Board as a standard for reading operation of the sensor.
REQUIRED TOOL
 Standard Sheet (JETRAS JP-D300S)
PROCEDURE
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu ] + [Paper Feed ] + [OK]
simultaneously.
2. Select SELF TESTING
→ Mecha Adjustment → RearAD.
3. Press [OK] while [Enter] Start is displayed.
Check if Retry AD Adjust is displayed on the Control Panel.
4. Press [Paper Source ] for several times and return to Top Menu.
5. Press [Paper Set] to release the paper presser.
6. Open the Front Cover (Middle).
7. Insert the Standard Sheet to the position shown in Figure 5-73 and press [Paper
Set] to lock the paper presser.
8. Close the Front Cover (Middle).
NOTE: A paper out error occurs at this time, but the adjustment can be
continued.
9. Select SELF TESTING
→ Mecha Adjustment → RearAD and press [OK]
while [Enter] Start is displayed.
Check if the 3 digits number is displayed on the Control Panel. If Retry AD
Adjust is displayed, check if there is a defect (tears/rips, contamination, wrinkles)
on the Standard Sheet, and execute obtaining AD value again.
10. Press [Paper Source ] for several times and return to top menu.
11. Press [Paper Set] to release the paper presser.
12. Remove the Standard Sheet.
13. Turn the printer OFF.
Figure 5-73. Position of the Standard Sheet
C H E C K
P O I N T
Make sure to carry out procedure below without loading the
standard sheet.
C A U T I O N
When executing procedure below, do not remove the external parts
to acquire proper AD value.
C A U T I O N
If Retry AD Adjust is displayed again, the sensor is defective.
Replace the sensor with a new one and carry out the adjustment
again.
Standard Sheet
Center of the Waste
Ink Pad at HP side
Gap of the Platen