Sensor (Buffer Path) Static Jam C - Lexmark w850 Service Manual

4024-XXX

283.04 Sensor (buffer path) static jam C

Step Check
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?
2 Check the sensor (buffer path) connection.
Is the above sensor connected properly?
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?
4 Check the drive motor (buffer/transport) connection.
Is the above motor connect properly?
5 Perform a test print.
Does the error still occur?
2-30
Finisher Service Manual
Yes No
Go to step 3. Go to step 2.
Replace the Replace the
sensor (buffer connection.
path). Go to
"Sensor (buffer
path) removal"
on page 4-93.
Go to step 5. Go to step 4.
Replace the drive Replace the
motor (buffer/ connection.
transport). Go to
"Drive motor
(buffer/
transport) and
belt (buffer/
transport)
removal" on
page 4-115.
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-118.