Rear Sensor Ad Adjustment - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

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
simultaneously.
→
2. Select SELF TESTING Mecha Adjustment
Make sure to carry out procedure below without loading the
C H E C K
P O I N T
standard sheet.
3. Press [OK] while [Enter] Start
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
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.
ADJUSTMENT
] + [Paper Feed ] + [OK]
→
RearAD.
is displayed.
Figure 5-73 and press [Paper
When executing procedure below, do not remove the external parts
C A U T I O N
to acquire proper AD value.
9. Select SELF TESTING
while [Enter] Start
Check if the 3 digits number is displayed on the Control Panel. If
Adjust is displayed, check if there is a defect (tears/rips, contamination, wrinkles)
on the Standard Sheet, and execute obtaining AD value again.
If Retry AD Adjust
C A U T I O N
Replace the sensor with a new one and carry out the adjustment
again.
10. Press [Paper Source
11. Press [Paper Set] to release the paper presser.
12. Remove the Standard Sheet.
13. Turn the printer OFF.
Standard Sheet
Gap of the Platen
PF Related Adjustment
→ →
Mecha Adjustment RearAD
is displayed.
is displayed again, the sensor is defective.
] for several times and return to top menu.
Center of the Waste
Figure 5-73. Position of the Standard Sheet
Revision I
and press [OK]
Retry AD
Ink Pad at HP side
415
Confidential