3-14 Phaser 4500 Service Manual
Tray 2/3/4 Low Paper Tests the operation of the Low Paper sensor in the 550-sheet
feeders. Reports “Not Low” in the resting position, and “Low” when lifted. You can
test the sensor by removing all but three or four sheets of paper from the cassette in
that tray and reinserting it. Or you can remove the cassette, reach into the tray cavity,
and operate the actuator manually. The actuator is located near the top and rear of the
cavity on right side.
Tray 1/2/3/4 No Paper Tests the operation of the No Paper sensor in each tray.
Reports “Without Paper” in the resting position, and “With Paper” when lifted. You
can test the sensor by removing all paper from the cassette in that tray and reinserting
it. Or you can remove the cassette, reach into the tray cavity, and operate the actuator
manually. The actuator is located at the top and rear of the cavity in the center.
Duplex Unit Presence Reports whether the Duplex Unit is “Installed” or “Not
Installed.” You can test by removing or installing the Duplex Unit and restarting the
printer, then running the Duplex Unit Presence test.
Stacker Unit Presence Reports whether the Stacker is “Installed” or “Not
Installed.” You can test by removing or installing the Stacker and restarting the
printer, then running the Stacker Unit Presence test.
Solenoid Test
Tests the functionality of the printer’s only solenoid.
Stacker Gate Solenoid This test is available at all times, but runs only when a
Stacker is installed. Attempts to run the test without a Stacker result in the “Option
not installed.” message. You can view the Stacker Gate operation by opening the Rear
Cover.
Clutch tests
Tests the functionality of the printer clutches. The audible click of the clutch engaging
is the only indicator of success. The Feed and Turn Roller clutches listed here can be
tested in conjunction with the Main Motor.
Registration Roller Tests the clutch that couples drive power to the Registration
Roller.
Tray 1/2/3/4 Feed Tests the clutch that couples drive power to the Feed Roller for
the selected tray.
Tray 3/4 Turn Roller Tests the clutch that couples drive power to the Turn Roller
for the selected tray.
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