Sensor (Front Tamper Hp) On Failure - Lexmark w850 Service Manual

4024-XXX
Step Check
8 Check the sensor (stacker bin level encoder) for correct
operation.
Perform the sensor (stacker bin level encoder) test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Bin Level.
5. Select Stacker bin level encod.
Does the display on the operator panel change when
the belt of the stacker bin lift motor assembly is moved
by hand?
9 Is the sensor (stacker bin level encoder) connected
properly?
10 Check the stacker bin lift motor assembly by blocking
the lower hole in either of the sensor (stacker bin level).
The stacker bin should lower slightly.
Does the stacker bin lift motor assembly rotate
normally?
11 Check the stacker bin lift motor assembly connection.
Is the connector of the stacker bin lift motor assembly
correctly connected to the finisher controller card
assembly?
12 Perform a test print.
Does the error still occur?

982.00 Sensor (front tamper HP) on failure

Step Check
1 Check the tamper mechanism by moving it with your
fingers.
Does the tamper mechanism operate smoothly?
2-68
Finisher Service Manual
Yes No
Go to step 10. Go to step 9.
Replace the Replace the
sensor (stacker connection.
bin level
encoder). Go to
"Sensor
(stacker bin
level encoder)
removal" on
page 4-35.
Go to step 12. Go to step 11.
Replace the Replace the
stacker bin lift connection.
motor assembly.
Go to "Stacker
bin lift motor
assembly
removal" on
page 4-38.
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. Replace the
media compiler
unit assembly. Go
to "Media
compiler unit
assembly
removal" on
page 4-69.