Sensor (duplex exit) static jam service check (external duplex)
Action Yes No
Step 1
Remove all media present in the media path.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
Check if the display on the operator panel changes every time the
sensing area of the sensor (duplex exit) is interrupted or blocked.
a Enter the diagnostic mode.
b Select Duplex sensor tests.
c Select Sensor test.
d Observe the line item “exit.”
If necessary, replace the connection or replace the external duplex
unit assembly.
Does the problem remain?
Contact next level of
support.
Problem is solved.
Mechanical feed error or timing error (external duplex) service check
Action Yes No
Step 1
Remove all media present in the media path.
Does the problem remain?
Go to step 2. Problem is solved.
Step 2
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 3. Problem is solved.
Step 3
Check if the display on the operator panel changes every time the
sensing area of the sensor (duplex input) is interrupted or blocked.
a Enter the diagnostic mode.
b Select Duplex sensor tests.
c Select Sensor test.
d Observe the line item “input.”
If necessary, replace 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?
Go to step 4. Problem is solved.
4062
Diagnostic information
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