Lexmark MX81 Series Service Manual page 177

Action
Step 7
Check the sensor (pick):
•
make sure that the sensor is properly installed and seated
•
check if the sensor is in good condition. If damaged, then replace the
sensor (pick). Go to "Sensor (pick) removal" on page
Re-seat the connector (J8) on the controller PCBA. POR the machine.
Does the error remain?
Step 8
Re-seat the connectors (J4, J8 and J7) on the controller PCBA.
Does the error remain?
Step 9
Remove the media tray. Manually turn the lift plate drive gear and observe
the lift plate. If the lift plate doesn't move upward, then replace the media
tray. Go to "Media tray assembly removal" on page
With the printer turned on, insert the media tray into the drawer. Viewing
from the rear side of the option, observe the lift plate if it moves up during
the insertion.
Does the lift plate automatically move up?
Step 10
Open the left cover. Do a feed test, enter Diagnostics Menu and navigate
to:
INPUT TRAY TESTS > Feed Test >Tray [x]
Observe the pick/feed motor and the transport motor.
Do the motors run?
Step 11
Re-seat all connectors on the controller PCBA.
Does the error remain?
Yes
Go to step 8.
533.
Go to step 9.
Go to step 10.
521.
Go to step 11.
Replace the controller
PCBA. Go to
controller PCBA
removal" on page
525.
If the error persists,
then replace the option
tray. Go to
sheet media tray
option removal" on
page 521
Diagnostic information
177
No
The problem is solved.
The problem is solved.
Go to step 10.
If the pick motor
doesn't run, then
replace the media
feeder. Go to
media feeder
removal " on
page 528.
If the transport motor
doesn't run, then
replace the transport
motor. Go to
transport motor
removal" on page
530.
The problem is solved.
"Drawer
"250/550-
7463
"Drawer
"Drawer