Ink Mark Sensor Height 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

5.4.10 Ink Mark Sensor Height Adjustment

This allows you to adjust the position of the Ink Mark Sensor to make proper position
to the platen.
REQUIRED TOOLS
Thickness Gauge (2.6/2.7)
Metal Ruler
STANDARD VALUE
2.6 pass
2.7 stop
PROCEDURE
1. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
simultaneously.
2. When any paper is loaded, remove it.
NOTE: A paper out error occurs at this time, but the adjustment can be
continued.
→
3. Select SELF TESTING Mecha Adjustment
4. Press [OK] while [Enter] Un Cap
The carriage unit will be unlocked.
5. Open the Front Cover (Middle).
6. Secure the ruler with the double-sided tape on the position shown in
7. Place the thickness gauge on the ruler. See
8. Move the Carriage Unit slowly over the gauge.
ADJUSTMENT
] + [Paper Feed ] + [OK]
→
IM Sensor Gap.
is displayed.
Figure
Figure 5-60 for the position.
Head Related Adjustments
9. Use the thickness gauge of 2.6 and 2.7 and check if the height of the Ink Mark
Sensor is within the standard value.
Within the standard value: Go to
Out of the range:
Thickness Gauge
Thickness Gauge
Ruler
Platen
Sub Platen
Cross-section diagram
Figure 5-60. Position for the ruler and gauge
5-60.
10. Loosen the screws (x3) that secure the Ink Mark Sensor Assy.
11. Slide the Ink Mark Sensor to up or down to adjust the height.
After the adjustment, secure the screws and return to
12. Close the Front Cover (Middle) and press [OK] while
The Carriage Unit will be locked.
13. Turn the printer OFF.
Step 12
Go to Step 10
Screws
Ruler
Step 8.
[Enter] Cap is displayed.
Confidential
Revision I
399