Sensor (Registration) On Jam (Mpf Pick) - Lexmark W850n Service Manual

4024-110

250.00 Sensor (registration) on jam (MPF pick)

Step
1 Check the media condition.
Is the media in the MPF tray crumpled or damaged?
2 Check the media size setup.
Does the media size in use match the size set for MPF tray?
3 Check the media position.
Open the printer left door assembly, and visually check it.
Does the media touch the sensor (registration)?
4 Check the MPF media side guides for proper operation.
Do the MPF media side guides operate smoothly?
5 Check the MPF for installation.
Remove the MPF feed unit assembly, and reinstall it.
Perform a print test.
Does an error occur during print test?
6 Check the roll.
Remove the MPF pick unit assembly.
Is the MPF feed roll assembly free of excess wear and
contamination?
7 Check the roll.
Remove the MPF feed unit assembly.
Is the MPF feed roll assembly free of excess wear and
contamination?
8 Check the sensor (registration) for proper operation.
1. Enter Diagnostics mode.
2. Select BASE SENSOR TESTS.
3. Select Media path.
4. Select Registration.
Open the printer left door assembly, and check it.
Does the display on the operator panel change every time
the sensor actuator is operated?
9 Check the sensor (registration) connection.
Is the sensor (registration) properly connected?
2-40
Printer Service Manual
Check Yes
Replace the media Go to step 2.
with new; ensure it
is dry.
Go to step 3. Replace the
media, or change
the media size
setup.
Remove the Go to step 4.
media.
Go to step 5. Adjust the MPF
media side guides
correctly.
Go to step 6. Problem solved.
Go to step 7. Clean or replace
the MPF feed roll
assembly.
Go to "MPF feed
unit assembly
removal" on
page 4-51.
Go to step 8. Clean or replace
the MPF feed roll
assembly.
Go to "MPF feed
unit assembly
removal" on
page 4-51.
Go to step 10. Go to step 9.
Replace the Replace the
sensor connection.
(registration).
Go to "Sensor
(registration)
removal" on
page 4-78
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