Epson Stylus Pro 9900 - Paper Thickness Sensor Position 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 411
Confidential
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
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
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 ] + [Paper Feed ] + [OK]
simultaneously.
5. Select SELF TESTING
→ Mecha Adjustment → Paper → Paper Thick.
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.
Lever’s status Jig Panel Display
Down N/A 00
Down 0.4 00
Down 0.5 10
Down 0.8 10
Down 0.9 11
Up N/A 01