Checking The Suction Power - Epson Stylus Pro 4910 Service Manual

Epson Stylus Pro 4900/Epson Stylus Pro 4910
PROCEDURE
1. Turn the printer ON.
2. Press [Paper Source ] to select
3. Press [Paper Set] to unlock the paper pressure.
4. Open the Printer Cover.
5. Insert the paper to the Printer Cover Sensor to turn the sensor ON.
Insert the sheet to the position shown in
C H E C K
P O I N T
[Paper Set] to lock the paper presser. Make sure to follow the
following points.
Place it with the gloss side up
Do not close the sucking hole on the left end
6. Push the tube strongly against the sucking hole on the left end.
Measurement jig
Figure 4-93. Checking the suction power
7. Start the Service Program and select
ADJUSTMENT
cut sheets.
Figure 4-93 and press
Paper
Sucking hole on the left end
Suction Check & Adjustment.
Media Feed Related Checks and Adjustments
8. Click [Run].
9. Measure the rise distance of water surface.
Figure 4-94. Measuring the surface
10. Double the value measured in Step 9
rises, and the one on the left lowers. Summing up the moved distances of the water
surfaces can provide the result.) Check the result if it is within the standard.
Within the standard value: Go to
Out of the range: Go to Step 11
11. Click [Read].
12. Input the adjustment value. Input the value as 1 mm=1% so that it will be within
the standard value.
13. Click [Write], and return to Step
14. Remove the measurement jig and paper.
15. Click [Finish].
16. Turn the printer OFF to complete the adjustment.
Revision A
±
Within 12.5 1 mm
±
(25 2mm/2)
Measurement jig
(The water surface in the tube on the right
Step 14
6.
Confidential
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