Dell 5230dn Mono Laser Printer Service Manual page 159

Service manual
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Step
12
Perform a print test and check the duplex drive motor
assembly for proper operation.
Does the above component operate properly?
13
Check media origination.
Did the media originate from the external duplex?
14
Check the sensor (duplex input) for proper operation.
1. Enter the diagnostic mode.
2. Select Duplex tests.
3. Select sensor test.
4. Observe the line item "input".
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
15
Check the sensor (duplex exit) for proper operation.
1. Enter the diagnostic mode.
2. Select Duplex tests.
3. Select sensor test.
4. Observe the line item "exist".
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
16
Check the two pick roll assemblies in the media tray being
picked from.
Are the above components free of excess wear and
contamination?
17
Check the aligner assembly for obstructions.
Is the above component free from obstructions?
18
Check the sensor (input) for proper operation.
1. Enter the diagnostic mode.
2. Select Base sensor test.
3. Observe the line item "input".
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
19
Check the above sensor for proper connection.
Is the above sensor connected properly?
Check
Yes
Go to step 17.
Replace the
duplex drive motor
assembly.
Go to
drive motor
assembly
removal (5350dn,
5530dn, and
T656)" on
page
Go to step 14.
Go to step 16.
Go to step 15.
Replace the
external duplex
assembly.
Go to step 17.
Replace the
external duplex
assembly.
Go to step 17.
Clean or replace
the pick roll
assembly.
Go to
assembly
removal" on
page
Go to step 18.
Remove
obstructions.
The sensor is
Go to step 19.
working properly.
Go to step 20.
Replace the
Replace the
Sensor (input).
connection.
"Sensor
Go to
(input) removal"
on page
4-71.
Diagnostic information
No
"Duplex
4-18.
"Pick roll
4-57.
2-125

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