Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
ADJUSTMENT Media Feed Related Checks and Adjustments 378
Confidential
4.13.7 PW + T&B&S Check & Adjustment
4.13.7.1 PW Adjustment
PAPER USED
Size: A4
Type: Archival Matte Paper
EXECUTION MODE
Normal Mode
PROCEDURE
1. Load three or more sheets of paper in the paper cassette.
2. Turn the printer ON.
3. Start the Service Program and select PW + T&B&S Check & Adjustment.
4. Click [PW Adjust.]. Check the message displayed on the panel.
[Successful] is displayed: Go to Step 8
[Gap Error] is displayed: Go to Step 5
[Detection Position Error] is displayed: Go to Step 6
5. Execute PG Height Check & Adjustment (p321), and return to Step 4.
6. Since the installation of the PW Sensor may have the abnormality, install the PW
Sensor correctly again (P. 193). After installing the PW Sensor, execute Step 4 to
check again.
When [Detection Position Error] still occurs after checking again, execute Sensor
Check (p394) to check if the sensor operates correctly. If an error occurs, replace
the PW Sensor.
7. Execute Step 4. If the error is not solved, execute Sensor Check. If the error still
occurs, replace the PW Sensor. Return to Step 4.
8. Click [Finish].
9. Turn the printer OFF to complete the adjustment.
4.13.7.2 T&B&S Adjustment
PAPER USED
Size: A4
Type: Archival Matte Paper
STANDARD VALUE
Top margin: 10 ± 0.4 mm
Bottom margin: 14 ± 0.6 mm
Side margin: 14 ± 0.6 mm
PROCEDURE
1. Load three or more sheets of paper in the paper cassette.
2. Turn the printer ON.
3. Start the Service Program and select PW + T&B&S Check & Adjustment.
4. Click [Run].
The adjustment pattern will be printed.
5. Measure the distance as shown in Figure 4-88.
Within the standard value: Go to Step 9
Out of the range: Return to Step 4
C A U T I O N
When measuring the value, make sure to put the adjustment
pattern on the horizontal surface.
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