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Dell 5310n - Workgroup Laser Printer B/W Service Manual Page 115

Service manual.
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271.xx Paper Jam—Check Bin 1
FRU
Bottom pass thru sensor
1
flag assembly
Control board
274.xx Paper Jam—Check Bin 4
Service tip: When a 274.xx Paper Jam Check Bin 4 message displays, a problem exists with the top pass thru
sensor assembly or the control board.
FRU
Top pass thru sensor flag
1
assembly
Control board
Ready Bin x Full
displays—May be able to clear message and feed paper into bin
selected
FRU
Bin x sensor
1
Bin x sensor cable
Bin x sensor flag
Control board
Bin x is Full
—message that bin x is full does not display
FRU
Bin x sensor
1
Bin x sensor cable
Bin x sensor flag
Bin x sensor flag
Control board
displays
Action
Check the flag for correct operation, binding, broken parts, or
interference from the sensor cable. If incorrect, repair as necessary.
If correct, make sure the bottom pass thru sensor is correctly
connected to J5 on the control board. Disconnect the pass thru
sensor cable and check the voltage at J5-3. The voltage measures
approximately +5 V dc. If incorrect, check the voltage at J5-2. The
voltage measures approximately 0 V dc. If incorrect, replace the
sensor assembly. If this does not fix the problem, replace the control
board.
displays
Action
Check the flag for correct operation, binding, broken parts or
interference from the sensor cable. If incorrect, repair as necessary.
If correct check to make sure the top pass thru sensor is correctly
connected to J11 on the control board. Disconnect the pass thru
sensor cable and check the voltage at J11-3 The voltage measures
approximately +5 V dc. If incorrect, check the voltage at J11-2. The
voltage measures approximately 0 V dc. If incorrect, replace the
sensor assembly. If this does not fix the problem, replace the lower
control board.
Action
Check the sensor and sensor cable for the bin that is displaying the
message to make sure the sensor is seated correctly in the side of
the tray and the cable is connected to the sensor and the control
board. Check the flag for binding and proper operation. If correct,
replace the bin x sensor. If this does not fix the problem, replace the
control board.
Note: This sensor is in a normally open position with the flag out of
the sensor slot.
Action
Check the sensor flag for binds, broken or missing parts. If correct,
check the bin sensor for correct installation in the side of the tray. If
the bin sensor is installed correctly, check the sensor cable for
correct installation to the sensor and control board. If correct, replace
the bin x sensor. If this does not fix the problem, replace the control
board.
Diagnostic information
2-73

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