Lexmark T632 Service Manual page 101

The printer does not recognize the paper size selected.
FRU
1 Back restraint
Side restraint
Snap-in plate
Autosize slider
Autosize finger
2 Switch activate spring
3
Internal tray card (ITC)
System board
ITC cable
4 System board
5
ITC/autocomp cable
ITC assembly
Action
Check all the paper size parts for damage or broken parts. make sure
the parts operate correctly. If a problem is found, repair as necessary.
If no problem is found, go to step 2.
Make sure the switch activate spring is not bent or broken. Replace
the spring if damaged. If the spring is not damaged, go to step 3.
Set the tray for the paper size that is not recognized and install the
tray in the printer. Select the paper size and corresponding paper
switch from table, below.
Pin Signal Static Static with paper tray in and set to: (V dc)
tray out
Letter
(V dc)
1 PSIZE2 +3.3
2 Ground 0
3 PSIZE1 +3.3
4 PSIZE3 +3.3
5 N/A
6 N/A
7 N/A
8 +3.3 +3.3
9 N/A
10 N/A
If the voltage on J34 does not change, go to step 4. If the voltage
changes, recheck the printer. If Tray 1Missing is still displayed,
replace the system board assembly.
Ground the appropriate pin on connector J34 on the system board.
Tray 1 Missing should not be displayed. If it is not displayed, go to
step 5. If it still displays, replace the system board assembly.
Check continuity of the ITC/Autocomp cable. If correct, replace the
ITC assembly. If incorrect, replace the ITC/autocomp cable.
Legal A4 Exec
0 0 +3.3 +3.3
0 0 0 0
+3.3 +3.3 0 0
0 +3.3 +3.3 0
+3.3 +3.3 +3.3 +3.3
Diagnostic information
4060-xxx
B5 A5
0 +3.3
0 0
0 +3.3
+3.3 0
+3.3 +3.3
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