Lexmark W850dn, Manual

Page: 51 / 327

Diagnostic information
2-29
4024-110
283.03 Sensor (buffer path) static jam B
Step Check Yes No
1 Check the sensor (buffer path) for correct operation.
Perform the sensor (buffer path) test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Media Path1.
5. Select Buffer path.
Open the finisher front door.
Lower the buffer pinch guide assembly.
Push a sheet of media into the buffer path and around
the buffer roll assembly in a clockwise direction.
Does the display on the operator panel change every
time the actuator of the sensor (buffer path) is
operated?
Go to step 3. Go to step 2.
2 Check the sensor (buffer path) connection.
Is the above sensor connected properly?
Replace the
sensor (buffer
path). Go to
“Sensor (buffer
path) removal”
on page 4-93
.
Replace the
connection.
3 Check the drive motor (buffer/transport) for correct
operation.
Check the above motor by opening the finisher front
door assembly and then closing it.
Does the drive motor (buffer/transport) rotate
normally?
Go to step 5. Go to step 4.
4 Check the drive motor (buffer/transport) connection.
Is the above motor connect properly?
Replace the drive
motor (buffer/
transport). Go to
“Drive motor
(buffer/
transport) and
belt (buffer/
transport)
removal” on
page 4-115
.
Replace the
connection.
5 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.