Dell 5230dn Mono Laser Printer Service Manual page 162

Step
3 Perform a MPF print test and check the MPF pick solenoid
for proper operation.
Does the above component operate properly?
4
Check the MPF lift plate assembly for damage.
Is the above component free from damage?
5
Check all the media trays for proper media installation.
Is the media properly installed in all the media trays?
6
Check all of the media trays and the media path for partially
fed media.
Are the media trays and the media path free from any
partially fed pieces of media?
7
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.
8 Check the above sensor for proper connection.
Is the above sensor connected properly?
9
Perform a print test.
Does the problem remain?
2-128
Service Manual
Check Yes
Go to step 4. Replace the MPF
pick solenoid.
Go to
solenoid
assembly
removal" on
page
Go to step 5. Replace the MPF
lift plate assembly.
Go to
plate assembly
removal" on
page
Go to step 6. Remove and
properly re-install
the media.
Go to step 7. Remove any pre-
staged or jammed
media.
Go to step 9. Go to step 8.
Replace the Replace the
Sensor (input). connection.
"Sensor
Go to
(input) removal"
on page 4-71.
Contact next Problem solved.
highest level of
tech support.
No
"MPF pick
4-38.
"MPF lift
4-36.