Sensor (Bridge Unit Media Exit) On Jam A - Lexmark W850n Manual

4024-110
Step Check
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?
4 Check the bridge unit drive motor connection.
Is the above motor connected properly?
5 Perform a test print.
Does the error still occur?
6 Perform a test print.
Does the error still occur?

281.00 Sensor (bridge unit media exit) On Jam A

Step Check
1 Check the media path.
1. Open the bridge unit top cover assembly of the
bridge unit assembly.
2. Check the transport belts and the six bridge unit
pinch rolls attached on the bridge unit top cover
assembly by turning them with your fingers.
Are the transport belts and the bridge unit pinch rolls
installed correctly?
2 Are two transport belts and the six bridge unit pinch roll
free of damage?
2-14
Finisher Service Manual
Yes No
Go to step 5. Go to step 4.
Replace the Replace the
bridge unit drive connection.
motor. Go to
"Bridge unit
drive motor
assembly
removal" on
page 4-13.
Replace the Problem solved.
bridge unit
interface card
assembly. Go to
"Bridge unit
interface card
assembly
removal" on
page 4-117.
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 transport
belts and bridge
unit pinch rolls,
and clean the
media path.
Go to step 3. Clean or replace
the transport
belts and bridge
unit pinch roll,
and clean the
media path.