Sensor (Bridge Unit Media Entrance) Static Jam A - Lexmark W840 Finisher Service Manual

4024-XXX
Step Check
7 Perform a test print.
Does the error still occur?
8 Perform a test print.
Does the error still occur?

280.01 Sensor (bridge unit media entrance) static jam A

Step Check
1 Check the sensor (bridge unit media entrance) for
correct operation.
Perform the Bridge media ent test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Media Path1.
5. Select Bridge media ent.
Does the display on the operator panel change every
time the actuator of the sensor (bridge unit media
entrance) is operated?
2 Check the sensor (bridge unit media entrance)
connection
Is the above sensor connected properly?
3 Check the bridge unit drive motor for correct operation.
Check the above motor by opening the finisher front
door assembly and then closing it.
Does the bridge unit drive motor rotate normally?
4 Check the bridge unit drive motor connection.
Is the above motor connected properly?
2-12
Finisher Service Manual
Yes No
Replace the Problem solved.
bridge unit
interface card
assembly. See
"Bridge unit
interface card
assembly
removal" on
page 4-117.
Go to step 8.
Replace the Problem solved.
finisher controller
card assembly.
See "Finisher
controller card
assembly
removal" on
page 4-118.
Yes No
Go to step 3. Go to step 2.
Replace the Replace the
sensor (bridge connection.
unit media
entrance). See
"Sensor (bridge
unit media
entrance)
removal" on
page 4-16.
Go to step 5. Go to step 4.
Replace the Replace the
bridge unit drive connection.
motor. See
"Bridge unit
drive motor
assembly
removal" on
page 4-13.