Diagnostic information
2-11
4024-110
Service checks
280.00 Sensor (bridge unit media entrance) on Jam
Step
Check
Yes
No
1
Check the media path.
Open the bridge unit top cover assembly of the bridge
unit assembly.
Check the two transport belts and the six bridge unit
pinch rolls attached on the bridge unit top cover
assembly by turning them with your fingers.
Are the transport belts and the bridge unit pinch rolls
installed correctly?
Go to step 2.
Clean or replace
the transport
belts and bridge
unit pinch rolls,
and clean the
media path.
2
Are the two transport belts and the six bridge unit pinch
rolls free of damage?
Go to step 3.
Clean or replace
the transport
belts and bridge
unit pinch roll,
and clean the
media path.
3
Check the sensor (bridge unit media entrance) for
correct operation.
Perform the sensor (bridge unit media entrance) test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Media Path1.
5. Select Bridge media ent.
Open the bridge unit top cover assembly.
Does the display on the operator panel change every
time the actuator of the sensor (bridge unit media
entrance) is operated?
Go to step 5.
Go to step 4.
4
Check the sensor (bridge unit media entrance)
connection.
Is the above sensor connected properly?
Replace the
sensor (bridge
unit media
entrance). Go to
“Sensor (bridge
unit media
entrance)
removal” on
page 4-16
.
Replace the
connection.
5
Check the bridge unit drive motor by opening the
finisher front door assembly and then closing it.
Open the bridge unit top cover assembly.
Does the bridge unit drive motor rotate normally?
Go to step 7.
Go to step 6.
6
Check the bridge unit drive motor connection.
Is the above motor properly connected?
Replace the
bridge unit drive
motor.
“Bridge
unit drive motor
assembly
removal” on
page 4-13
.
Replace the
connection.
Содержание W850dn
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