Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
ADJUSTMENT CR Related Adjustment 368
Confidential
5.3.2 CR Encoder Sensor Adjustment
This allows you to adjust the position of the CR Encoder Sensor to the CR Scale.
PROCEDURE
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while holding down [Menu ] + [Paper Feed ] + [OK]
simultaneously.
2. Select SELF TESTING→Mecha Adjustment→Temporary PG.
3. Press [OK] while [Enter] Un Cap is displayed.
The carriage unit will be unlocked.
4. Open the Front Cover (Middle).
5. Check the gap between the CR Encoder Sensor detecting part and the CR Scale.
If the CR Scale is in the center of the detector of the Sensor: Go to Step 9
If the CR Scale is not in the center of the detector of the Sensor: Go to Step 6
6. Loosen the screw that secures CR Encoder Sensor.
7. Move the CR Encoder Sensor to adjust the position of the sensor.
After adjusting, tighten the screw and return to Step 5.
8. Close the Front Cover (Middle).
9. Press [OK] while [Enter] Cap is displayed to cap the Printhead. Then turn the
printer OFF to complete the adjustment.
Figure 5-17. CR Encoder Sensor Adjustment
Securing Screw
CR Encoder Sensor
CR Scale
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