Lexmark MX71x Service Manual page 130

Action
Step 2
Check the pick roller assembly for proper installation. Fully press the pick
roller assembly toward the sensor to make sure the mounting latches are
properly engaging the slot in the shaft.
Does the problem remain?
Step 3
Check the pick roller assembly to make sure that the rollers are free from
contamination and paper dust.
Is the pick roller assembly free of wear or damage?
Step 4
Check the separator roller tires and gears:
•
Make sure that the rollers are free from contamination
•
Manually turn the gears and check if it causes the rollers to turn
Is it free of wear or damage?
Step 5
Check the sensor (pass through) for proper operation. Enter Diagnostics
Menu and navigate to:
INPUT TRAY TESTS > Sensor Test >Tray [x]
Does the display on the operator panel change every time the sensing
area of the sensor is interrupted or blocked?
Step 6
Check the sensor (pass through):
•
Make sure that the sensor is properly installed and seated
•
Check if the sensor is in good condition. If damaged, then replace the
sensor (pass through). Go to
on page 659.
Reseat the connector J7 on the controller board. POR the machine.
Does the error remain?
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). See "Sensor (pick) removal" on page
Reseat the connector J8 on the controller board. POR the machine.
Does the error remain?
"Sensor (drawer pass through) removal "
661.
Diagnostic information
Yes
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 7
Go to step 7.
Go to step 8.
130
7463
No
The problem is solved.
Replace the pick roller
assembly. See "Drawer
pick roller removal " on
page 650.
Replace the separator
roller. See "Media tray
separation roller
removal" on page
648.
Go to step 6.
The problem is solved.
The problem is solved.