Lexmark M5150 Service Manual page 198

Action
Step 4
Do the following:
•
Open, and then close the rear door. Check if the rear door closes
properly.
•
Check the rear door rollers for damage.
•
Remove all obstructions along the paper path.
Is the rear door functional and free of damage?
Step 5
a
Open the rear door. Check the upper and lower rollers on the finisher
side for damage.
b
Open the left cover. Reseat the cable J22 on the HPU controller PCBA.
c
Check the paper path gears for damage.
Note: To access the gears, remove the four screws from the HPU
controller PCBA (no need to remove the PCBA, just move it out of
the way), and then remove the screws securing the grounding plate.
The gears are found under the grounding plate.
Are the paper path components free of damage?
Step 6
a
Reseat all cables on the HPU controller PCBA.
b
Reseat the cables J27, J19, and J13 on the stapler controller PCBA.
Does the error remain?
Step 7
Open the left cover, reseat all connectors on the stapler controller PCBA
and then POR the machine.
Does the error remain?
Yes
If the error persists,
then go to step 5.
If the error persists,
then go to step 6.
Replace the finisher
option. See
hole punch finisher
option removal" on
page
If the error persists,
then go to step 7.
Replace the stapler
controller PCBA. See
"Stapler controller
PCBA removal" on
page
If the error persists,
then replace the
finisher option. See
"Staple, hole punch
finisher option
removal" on page
738.
Diagnostic information
198
No
Replace the finisher
option. See
hole punch finisher
option removal" on
page 738.
Replace the finisher
option. See
hole punch finisher
option removal" on
page 738.
The problem is solved.
"Staple,
738.
The problem is solved.
749.
4063
"Staple,
"Staple,