Lexmark MX310 Service Manual page 102

Action
Step 9
POR into the Diagnostics menu and perform a sensor test:
Diagnostics Menu > Base Sensor Test > Input
Does the sensor state on the control panel display change when
it is toggled?
Step 10
Does the error remain?
Sensor (input) image jam service check
Action
Step 1
Check the LSU cables for proper connection.
Are they properly connected?
Step 2
Inspect the LSU cables and connectors.
Are they free of damage?
Step 3
Check the input sensor cable for proper connection.
Is it properly connected?
Step 4
POR into the Diagnostics menu and perform a feed test:
Diagnostics Menu > Input Tray Tests > Feed Tests > Tray 1
Does it pass the test?
Step 5
POR into the Diagnostics menu and perform a sensor test:
Diagnostics Menu > Base Sensor Test > Input
Does the sensor state on the control panel display change when
it is toggled?
Step 6
Check the controller board for any damage.
Is it free of damage?
Step 7
Does the error remain?
Diagnostics and troubleshooting
102
Yes No
Go to step 10. Replace the input
sensor. See
sensor and input
sensor removal" on
page
Contact the next The problem is
level of support. solved.
Yes No
Go to step 2. Reseat the cables.
Go to step 3. Replace the LSU.
See
unit (LSU) removal"
on page
Go to step 4. Reseat the cable.
Go to step 5. Replace the LSU.
See
unit (LSU) removal"
on page
Go to step 6. Replace the input
sensor. See
sensor and input
sensor removal" on
page
Go to step 7. Replace the
controller board. See
"Controller board
removal" on
page
Contact the next The problem is
level of support. solved.
7015
"Duplex
342.
"Laser scanning
379.
"Laser scanning
379.
"Duplex
342.
299.