Stacker Set Over Count Failure; Staple Cartridge Empty - Lexmark w850 Service Manual

Step Check
9 Perform a test print.
Does the error still occur?

Stacker set over count failure

Step Check
1 Check connectors of the finisher controller card
assembly connection.
Are all the connectors connected to the finisher
controller card assembly correctly connected?
2 Does the error still occur when the power is turned on?
3 Replace the finisher controller card assembly.
Does the error still occur when the power is turned on?

Staple cartridge empty

Step Check
1 Check the staple cartridge for new and unused staples.
Does the staple cartridge have a sufficient amount of
new and unused staples?
2 Check the staple cartridge for correct installation.
Is the staple cartridge installed properly?
3 Check the staple cartridge for damage.
Is the staple cartridge damaged?
4 Check the sensor (low staple) for correct operation.
Perform the sensor (low staple) test.
1. Enter Diagnostics mode.
2. Select FINISHER TESTS.
3. Select Punch and Staple.
4. Select Low Staple.
Does the display on the operator panel change every
time an undamaged and filled staple cartridge is
removed and reinserted into the stapler unit assembly?
Yes No
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-118.
Yes No
Go to step 3. After
reconnecting, go
to step 2.
Go to step 3. Problem solved.
Replace the Problem solved.
printer engine
card assembly.
Refer to the
Printer Service
Manual.
Yes No
Go to step 2. Refill the
cartridge with
new and unused
staples.
Go to step 3. Install the staple
cartridge
correctly.
Go to step 4. Replace the
staple cartridge.
Go to step 6. Go to step 5.
Diagnostic information
4024-XXX
2-99