Communication Error With Booklet Controller Card Assembly - Lexmark X850e Service Manual

Step
3 Check the main connector on the booklet unit sensor
interface cable assembly.
Is the above component free of damage?
4 Check the main connector on the booklet unit motor
interface cable assembly.
Is the above component free of damage?
5 Check the booklet stapler interface cable assembly.
Is the above component free of damage?
6 Check the connector on the back of the booklet stapler unit
assembly.
Is the above component free of damage.
7 Perform a print test booklet stapled document.
Does the error remain?
8 Perform a POR.
Does the error continue when the power is turned off/on?

991.12 Communication error with booklet controller card assembly

Step
1 Check the booklet controller card assembly and the finisher
controller card assembly for proper connection.
Is the above component properly connected?
2 Perform a POR.
Does the error continue when the power is turned off/on?
Check
Check
Yes
Go to step 4. Replace the
booklet unit sensor
interface cable
assembly.
Go to step 5. Replace the
booklet unit motor
interface cable
assembly.
Go to step 6. Replace the
booklet stapler
interface cable
assembly.
Replace the Go to step 7.
booklet stapler unit
assembly.
Go to "Booklet
stapler unit
assembly
removal" on
page 4-123.
Replace the Problem solved.
booklet controller
card assembly.
Go to "Booklet
controller card
assembly
removal ??" on
page 4-121.
Replace the Problem solved.
finisher controller
card assembly.
Go to "Finisher
controller card
assembly
removal" on
page 4-116.
Yes
Go to step 2. Replace the
connection.
Replace the Problem solved.
booklet controller
card assembly.
Go to "Booklet
controller card
assembly
removal ??" on
page 4-121.
Go to step 3.
Diagnostic information
7500-XXX
No
No
2-89