Sensor (Rear Tamper Hp) On Failure - Lexmark W840 Finisher Service Manual

4024-XXX
Step Check
2 Check the sensor (front tamper HP) for correct
operation.
Perform the front tamper HP test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Sensor Tests.
4. Select Media path2.
5. Select Front tamper HP.
Does the display on the operator panel change every
time the sensing area of the sensor (front tamper HP)
is blocked?
3 Is the sensor (front tamper HP) connected properly?
4 Check the front tamper drive motor by opening the
finisher front door assembly and then closing it.
Does the front tamper drive motor rotate, and does the
tamper move back and forth?
5 Check the compiler unit cable assembly connection.
Are the connections of the compiler unit cable
assembly correctly connected?
6 Perform a test print.
Does the error still occur?

983.00 Sensor (rear tamper HP) on failure

Step Check
1 Check the tamper mechanism by moving it with your
fingers.
Does the tamper mechanism operate smoothly?
2-64
Finisher Service Manual
Yes No
Go to step 4. Go to step 3.
Replace the Replace the
sensor (front connection.
tamper HP). See
"Sensor (front
tamper HP) and
sensor (rear
tamper HP)
removals" on
page 4-72.
Go to step 6. Go to step 5.
Replace the Replace the
media compiler connection.
unit assembly.
See "Media
compiler unit
assembly
removal" on
page 4-69.
Replace the Problem solved.
finisher controller
card assembly.
See "Finisher
controller card
assembly
removal" on
page 4-118.
Yes No
Go to step 2. Replace the
media compiler
unit assembly.
See
compiler unit
assembly
removal" on
page
"Media
4-69.