Lexmark T652 - Page 97

Paper jam around internal duplex service check
Action Yes No
Step 1
Remove all media present in media path.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Check for obstructions in media path.
Does the problem remain?
Go to step 3. Problem is solved.
Step 3
Check the sensor (fuser output) for damage. If necessary, replace
the fuser unit assembly. See
“Fuser unit assembly removal” on
page 331.
Does the problem remain?
Go to step 4. Problem is solved.
Step 4
Check if the display on the operator panel changes every time the
sensing area of the above sensor is interrupted or blocked.
a Enter the diagnostic mode.
b Select Base sensor test.
c Observe the line item “exit.”
If necessary, replace the connection or the fuser unit assembly. See
“Fuser unit assembly removal” on page 331.
Does the problem remain?
Go to step 5. Problem is solved.
Step 5
Check the sensor (duplex input) for damage, and if necessary,
replace the sensor (duplex input). See
“Sensor (duplex input)
removal (T652, T654, T656)” on page 340.
Does the problem remain?
Go to step 6. Problem is solved.
Step 6
Check if the display on the operator panel changes every time the
sensing area of the above sensor is interrupted or blocked.
a Enter the diagnostic mode.
b Select Duplex sensor test.
c Select Sensor test.
d Observe the line item “input.”
If necessary, replace the connection, the external duplex unit
assembly (external duplex only), or the duplex input sensor
assembly (internal duplex only). See
“T652, T654, and T656
duplex input sensor assembly removal” on page 317.
Does the problem remain?
Contact next level of
support.
Problem is solved.
4062
Diagnostic information
97