Epson Stylus Pro 4910 Service Manual page 396

Epson Stylus Pro 4900/Epson Stylus Pro 4910
Table 4-8. Sensor Check
Repaired Part Procedure
1. Select [Paper Empty Sensor].
2. Remove the paper cassette.
Paper Empty
3. While pushing the actuator of the paper
Sensor
cassette sensor, insert/remove paper into/from
the transmission and reception section of the
sensor.
1. Select [Rear Unit Sensor].
Rear Unit Sensor 2. Remove the Rear Unit.
3. Push/Release the actuator.
1. Select [Roll Sensor].
Roll Sensor
2. Insert/Remove paper from the roll paper
insertion opening.
1. Select [Roll Feeding Sensor].
2. Remove the Left Roll Cover.
Roll Feeding
3. Install the roll unit to the printer.
Sensor
4. Rotate the shading plate manually to move it
to the shading position or the transmission
position.
1. Select [Roll Unit Sensor].
Roll Unit Sensor
2. Push/Release the actuator.
1. Select [Roll Lock Sensor].
2. Rotate the pinion gear of the roll feeding
Roll Lock Sensor
motor manually to move the gear to the front
or the rear.
1. Select [Cutter HP Sensor].
2. Remove the Front Cover.
Cutter HP Sensor
3. Set the cutter to the home position (HP) or
move it away from the home position
manually.
ADJUSTMENT
Confirmation Screen
Display
Pushed (With Paper):
01h
Released (No Paper):
00h
Unit Not Detected:01h
Unit Detected:00h
Pushed (With Paper):
01h
Released (No Paper):
00h
(P. 151)
Sensor Interrupted:
01h
Sensor not Interrupted:
00h
Sensor Interrupted:
01h
Sensor not Interrupted:
00h
Gears on the rear.:01h
Gears on the front.:00h
Not in Home Position:
(P. 142)
01h
In Home Position.:
00h
Other Printer Checks and Adjustments
Table 4-8. Sensor Check
Repaired Part Procedure
1. Select [Front Cover Sensor].
Front Cover
Sensor
2. Remove/Install the Front Cover.
Revision A
Confirmation Screen
Display
Sensor not Interrupted
(No cover):01h
Sensor Interrupted
(With cover):00h
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