Dell 5310n - Workgroup Laser Printer B/W Service Manual page 158

The printer does not recognize the paper size selected
FRU
Back restraint
1
Side restraint
Snap-in plate
Autosize slider
Autosize finger
Switch activate spring
2
Paper size sending board
System board
3
ITC cable
System board
4
Autocomp cable
5
Service Manual
2-116
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)
J26 tray out
Letter
(V dc)
1 PSIZE2 +3.3 0
2 Ground 0
3 PSIZE1 +3.3
4 PSIZE3 +3.3
5
6
7
8 +3.3 +3.3
9
10
If the voltage on J26 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 J26 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 autocomp cable. If correct, replace the ITC
assembly. If incorrect, replace the autocomp cable.
Legal A4 Exec
0 +3.3 +3.3
0 0 0 0
+3.3 +3.3 0 0
0 +3.3 +3.3 0
N/A
N/A
N/A
+3.3 +3.3 +3.3 +3.3
N/A
N/A
B5 A5
0 +3.3
0 0
0 +3.3
+3.3 0
+3.3 +3.3