Lexmark C752 Service Manual page 137

Step Action and questions
6 Make sure the paper level sensing assembly arm goes
all the way through the bottom of tray x.
Does the arm extend all the way down through the
bottom of the tray?
Tray x does not detect size media installed
Step Action and questions
1 Is the tray set for the size paper loaded in the tray and
are the restraints in the correct location?
2 Are there damaged or broken size sensing gears or
size sensing barrel cam in the tray assembly?
3 Check the paper size sensing assembly for any signs
of damaged, binding, or broken parts.
Are there broken or damaged parts?
Yes No
Recheck the arm. See why the arm
If the problem is not extending
continues, all the way to the
replace the paper bottom of the
leveling sensing tray. Repair as
assembly. If this necessary.
does not fix the
problem, replace
the tray x system
board.
Yes No
Go to step 2 Set the correct
size
Repair or replace Go to step 3
defective parts
Replace the Replace the
paper size electronics/size
sensing sensing
assembly assembly
Diagnostic information
5060-2XX
2-103