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Operator Panel Display - Dell 5310n - Workgroup Laser Printer B/W Service Manual

Service manual.
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Operator panel display

Service tip: The printer has detected a problem with the system board, the operator panel cable (part of the
upper front cover hinge assembly), or the operator panel board if POST does not complete, the printer emits 5
beeps, and stops in a continuous pattern until the printer is turned off.
Note: If the operator panel is operating properly except for a pel or a few pels missing or broken, run the
Test" on page 3-7
FRU
Operator panel cable
1
Operator panel display
2
blank, 5 beeps, LED off
Operator panel display
3
blank, 5 beeps, LED on
Operator panel all
4
diamonds, no beeps
Operator panel all
5
diamonds, 5 beeps
Service Manual
2-108
from the hardware tests before continuing with this service check.
Action
Check for proper installation of the cable at the system board (J13)
and at the operator panel. Check the continuity of the operator panel
cable. If incorrect, replace the upper front cover hinge assembly. See
"Upper front cover hinge assembly removal" on page
Check for correct installation of the operator panel cable at J13 on
the system board. If incorrect, reinstall the cable properly. If correct,
measure the voltage at J13-2 on the system board. The voltage
should measure approximately +5 V dc. If incorrect, replace the
system board.
page
the continuity is incorrect, replace the upper front hinge assembly. If
the continuity is correct, replace the operator panel board. See
"Operator panel board removal" on page
Check for ground between J13-4 and ground. If correct, replace the
operator panel board. See
page
incorrect, replace the upper front cover hinge assembly. See
front cover hinge assembly removal" on page
replace the system board. See
removal" on page
Make sure a card is not plugged in backward. This condition causes
the printer to fail POST, displaying all diamonds on the operator
panel with no beeps.
Remove all the cables except the operator panel cable (J13) from the
system board. Turn the printer on, and see if a message appears. If
an error message appears, go to the service check for that error
code. For example, if a 924 error code appears, go to the
924.xx—Hot fuser service check).
If the problem is not resolved check the voltage at Pin J13-1 and J13-
3. The voltage measures approximately +3.3 V dc. If correct, replace
the FRUs in the following order:
• Operator panel board (see
page
removal" on page
• System board. See
on page
• Upper front cover hinge assembly. See
hinge assembly removal" on page
"System board and inner shield removal" on
4-77. If correct, check continuity of the operator panel cable. If
"Operator panel board removal" on
4-67. If incorrect, check the operator panel cable. If the cable is
"System board and inner shield
4-77.
"Operator panel board removal" on
4-67) or the Upper front cover (see
4-12).
"System board and inner shield removal"
4-77.
"Panel
4-79.
4-67.
"Upper
4-79. If the correct,
"Upper front cover
"Upper front cover
4-79.

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