Sensor (Diverter Gate) On Jam - Lexmark w850 Service Manual

4024-XXX
Step Check
4 Check the drive motor (buffer/transport) connection.
Is the above motor connected properly?
5 Perform a test print.
Does the error still occur?

288.00 Sensor (diverter gate) on jam

Step Check
1 Check the media path.
1. Open the bridge unit top cover assembly of the
bridge unit assembly.
2. Check the six bridge unit pinch rolls on the bridge
unit top cover assembly and the two transport belts
by turning them with your fingers.
Are the bridge unit pinch rolls and transport belts
installed correctly?
2 Are the six bridge unit pinch rolls on the bridge unit top
cover assembly and two transport belts free of
damage.
3 Check the media path.
1. Open the finisher front door assembly of the
finisher.
2. Remove the top cover and left upper cover.
3. Open the entrance pinch guide assembly to
upward.
4. Check the media entrance pinch guide pinch roll on
the entrance pinch guide assembly and media
entrance roll assembly by turning them with your
fingers.
Are the media entrance pinch guide pinch roll and
media entrance roll assembly installed correctly?
2-54
Finisher Service Manual
Yes No
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.
Yes No
Go to step 2. Clean or replace
the appropriate
transport belts
and bridge unit
pinch roll, and
clean the media
path.
Go to step 3. Clean or replace
the appropriate
transport belts
and bridge unit
pinch roll, and
clean the media
path.
Go to step 4. Clean or replace
the appropriate
transport belts
and bridge unit
pinch roll, and
clean the media
path.