Paper Thickness Sensor Position 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

5.5.5 Paper Thickness Sensor Position Adjustment

This allows you to adjust the positions of Paper Thickness Sensor so as to detect the
thickness of paper correctly.
REQUIRED TOOL
P-Thick Sensor Position Jig (use the one 0.5 in thickness only.)
Paper Thickness Position Tool (use the ones 0.4/0.8/0.9 in thickness only.)
STANDARD VALUE
Lever's status
Down
Down
Down
Down
Down
Up
CHECKING PROCEDURE
1. Remove the following parts in advance.
IC Cover (L/R) and IC Shaft Cover (L/R)
Maintenance Tank (L/R) (Maintenance Tank L is for Epson Stylus Pro 9900/
9910/9890/9908 only)
Control Panel
Left Cover
Right Cover
Top Cover
2. Install the following parts after removing the Top Cover.
Maintenance Tank (L/R) (Maintenance Tank L is for Epson Stylus Pro 9900/
9910/9890/9908 only)
Control Panel
ADJUSTMENT
Jig Panel Display
N/A 00
0.4 00
0.5 10
0.8 10
0.9 11
N/A 01
PF Related Adjustment
3. Switch the open/close detection switch of the IC Cover (L/R) to make the cover
closed. (See Figure 5-11.)
4. Turn the printer ON in the Serviceman Mode.
Turn the power ON while pressing [Menu
simultaneously.
→
5. Select SELF TESTING Mecha Adjustment
6. Press [Paper Set] to lock the paper presser.
7. Check that "00" is displayed on the Control Panel.
Carry out the adjustment if the displayed value is other than "00".
→
Go to adjustment procedure
8. Press [Paper Set] to release the paper presser.
9. Insert the adjustment jig (0.4) from the paper insertion opening, and set it to the
position shown in Figure 5-69, then press the [Paper Set] button.
10. Check that "00" is displayed on the Control Panel.
Carry out the adjustment if the displayed value is other than "00".
→
Go to adjustment procedure
11. Press [Paper Set] to release the paper presser.
12. Insert the adjustment jig (0.5) from the paper insertion opening, and set it to the
position shown in Figure 5-70, then press the [Paper Set] button.
13. Check that "10" is displayed on the Control Panel.
Carry out the adjustment if the displayed value is other than "10".
→
Go to adjustment procedure
14. Press [Paper Set] to release the paper presser.
15. Insert the adjustment jig (0.8) from the paper insertion opening, and set it to the
position shown in Figure 5-69, then press the [Paper Set] button.
16. Check that "10" is displayed on the Control Panel.
Carry out the adjustment if the displayed value is other than "10".
→
Go to adjustment procedure
17. Press [Paper Set] to release the paper presser.
18. Insert the adjustment jig (0.9) from the paper insertion opening, and set it to the
position shown in Figure 5-69, then press the [Paper Set] button.
Revision I
] + [Paper Feed ] + [OK]
→ →
Paper Paper Thick.
411
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