Booklet Unit Maker Error; Bridge Unit Top Cover Open - Lexmark X850e Service Manual

7500-XXX
Step
3 Perform a POR.
Does the error continue when the power is turned off/on?

991.13 Booklet unit maker error

Step
1 Perform a POR.
Does the error continue when the power is turned off/on?

Bridge unit top cover open

Step Check
1 Check the bridge unit cable assembly for proper
connection.
Is the bridge unit cable assembly properly connected to
the rear of the finisher?
2 Open and close the bridge unit top cover assembly on
the bridge unit assembly.
Does it open or close smoothly?
2-90
MFP Finisher Service Manual
Check
Check
Yes
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-116.
Yes
Replace the Problem solved.
booklet controller
card assembly.
"Booklet
Go to
controller card
assembly
removal ??" on
page 4-121.
Yes No
Go to step 2. Replace the
connection.
Go to step 3. Check that the
bridge unit top
cover assembly
is installed
properly, and
correct any
deformations. If
this does not
correct the
problem, replace
the bridge unit
top cover
assembly.
Go to
unit top cover
assembly
removal" on
page
No
No
"Bridge
4-7.