Lexmark W850 - Sensor (Bridge Unit Media Entrance) Static Jam a

2-12 Finisher Service Manual
4024-XXX
280.01 Sensor (bridge unit media entrance) static jam A
7 Perform a test print.
Does the error still occur?
Replace the
bridge unit
interface card
assembly. Go to
“Bridge unit
interface card
assembly
removal” on
page 4-117.
Go to step 8.
Problem solved.
8 Perform a test print.
Does the error still occur?
Replace the
finisher controller
card assembly.
Go to “Finisher
controller card
assembly
removal” on
page 4-118.
Problem solved.
Step Check Yes No
1 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 3. Go to step 2.
2 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.
3 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 5. Go to step 4.
Step Check Yes No