Stacker Bin Upper Limit Failure - Lexmark X850e Service Manual

Step Check
7 Check the stacker bin lift motor assembly.
Perform the stacker bin lift motor test.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Finisher tests.
4. Touch Stacker lift mtr.
5. Touch Forward or Reverse.
Does the stacker bin lift motor assembly operate
properly?
8 Is the stacker bin lift motor assembly connected
properly?
9 Perform a print test.
Does the error still occur?

981.01 Stacker bin upper limit failure

Step Check
1 Check the sensor (stacker bin level 1) for proper
operation.
Perform the sensor (stacker bin level1) test.
1. Enter the Diagnostics Menu.
2. Touch FINISHER TESTS.
3. Touch Sensor Test.
4. Touch Bin Level.
5. Touch Stacker bin level1.
Does the operator panel display change every time the
sensing area of the sensor (stacker bin level 1) is
blocked by a multiple page document or your finger?
2 Check the sensor (stacker bin level 1) connection.
Are the connections of the main sensor cable
assembly properly connected?
Yes No
Go to step 9. Go to step 8.
Replace the Replace the
stacker bin lift connection.
motor assembly.
Go to "Stacker
bin lift motor
assembly
removal" on
page 4-115.
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-195.
Yes No
Go to step 3. Go to step 2.
Replace the Replace the
sensor (stacker connection.
bin level 1).
"Sensor
Go to
(stacker bin
level 1)
removal" on
page 4-111.
Diagnostic information
7500-XXX
2-119