Lexmark W850n Manual page 122

4024-110
Step Check
5 Check the stapler unit cable assembly connection.
Are all the connections of the stapler unit cable
assembly connected properly?
6 Perform a stapled print test.
Does the error still occur?
7 Perform a stapled print test.
2-100
Finisher Service Manual
Yes No
Replace the Replace the
stapler unit connection.
assembly.
Go to "Stapler
unit assembly
removal" on
page 4-56.
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-118.
Replace the Problem solved.
printer engine
card assembly.
Refer to Printer
Service Manual.