Epson Stylus Pro 4910 Service Manual page 395

Epson Stylus Pro 4900/Epson Stylus Pro 4910
Table 4-8. Sensor Check
Repaired Part Procedure
1. Select [Retard Roller Sensor].
2. Remove the Right Cover.
3. Rotate the gear shown in the picture below
manually to shade or transmit the sensor.
Overhead view
Retard Roller
Sensor
1. Select [Assist Roller Sensor].
2. Remove the Right Cover.
3. Rotate the gear shown in the picture below
manually to shade or transmit the sensor.
Overhead view
Assist Roller
Sensor
Assist Roller Sensor
ADJUSTMENT
Confirmation Screen
Display
(P. 139)
Sensor Interrupted:
01h
Gear
Sensor not Interrupted:
00h
Retard Roller Sensor
(P. 139)
Sensor Interrupted:
01h
Gear
Sensor not Interrupted:
00h
Other Printer Checks and Adjustments
Table 4-8. Sensor Check
Repaired Part Procedure
1. Select [Eject Star Wheels Position Sensor].
2. Remove the Right Upper Cover.
3. Press the [F11] key to unlock the CR Unit.
4. Move the CR Unit to the left.
5. Rotate the gear shown in the picture below
manually to shade or transmit the sensor.
Front
Eject Star Wheels
Position Sensor
1. Select [Edge Release Sensor].
2. Remove the Right Upper Cover.
Edge Release
3. Rotate the gear with a thin stick to move the
Sensor
shading part of the gear to the sensor position
or move it away from the sensor position.
1. Select [Paper Cassette Sensor].
Paper Cassette
2. Remove the paper cassette.
Sensor
3. Push/Release the actuator.
Revision A
Confirmation Screen
Display
(P. 138)
Transmission part
Sensor Interrupted:
01h
Sensor not Interrupted:
00h
Gear
Sensor Interrupted:
(P. 138)
01h
Sensor not Interrupted:
00h
Sensor Interrupted
(With Cassette):01h
Sensor not Interrupted
(No Cassette):00h
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