Lexmark M5150 Service Manual page 296

Action
Step 6
a
Check the top diverter:
•
Check the diverter for damage.
•
Move the diverter and check if the spring makes it retract to its
default position.
•
Make sure the diverter springs are aligned and properly installed.
b
Do a feed test. Enter Diagnostics menu and navigate to:
Output bin tests > Feed to all bins
Check if the uppermost bin is being fed.
Is the top diverter functional and free of damage?
Step 7
Open the rear door and do the following:
•
Check the rear door for damage.
•
Manually turn the rear door rollers and check if they are ok.
•
Check if the rear door opens and closes properly.
Is the rear door functional and free of damage?
Step 8
Open the rear door and check the two sensors (pass through) for proper
operation. Enter Diagnostics Menu and navigate to:
Output bin tests > Sensor test
Select the output bin assigned to the mailbox option.
Does the display on the operator panel change every time the sensing
area of the above sensors are interrupted or blocked?
Step 9
a
Open the rear door and check the sensors (pass through):
•
Make sure the sensor is aligned and seated properly.
•
Check the sensor and sensor flag for damage. If damaged, then
replace the sensor. See
on page 733.
b
Re-seat the sensor connections (J3T and J3B) on the controller PCBA.
POR the machine.
Does the error remain?
"Sensor (mailbox pass through) removal"
Diagnostic information
Yes
Go to step 7.
Go to step 8.
Go to step 10.
Go to step 10.
296
4063
No
Replace the defective
mailbox top diverter.
See "Mailbox top
diverter removal" on
page 723.
Replace the mailbox
rear door. See
"Mailbox rear door
removal" on page
689.
Go to step 9.
The problem is solved.