Sensor (Registration) On Jam (Tray 3 Media Feed) - Lexmark W850n Service Manual

Step
12 Perform a print test.
Does the error still occur?

243.03 Sensor (registration) on jam (tray 3 media feed)

Step
1 Check the media condition.
Is the media in the tray crumpled or damaged?
2 Check the media size setup.
Does the media size in use match the size set for tray 3?
3 Check the tray 3 rolls.
Pull out tray 3, and check it.
Are the feed roll, separation roll, and pick roll for
transport free of excess wear and contamination?
4 Check the media position.
Open the printer left door assembly, and visually check
it.
Does the media touch the sensor (registration)?
5 Check the media position.
Open the 2TM/TTM left door assembly, and visually
check it.
Does the media touch the sensor (tray 3 feed-out)?
6 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 visually check
it.
Does the display on the operator panel change every
time the actuator on the above sensor operates?
7 Check the sensor (registration) for proper connection.
Is the above sensor connected properly?
Check
Check
Yes
Replace the printer Problem solved.
engine card
assembly.
Refer to the Printer
Service Manual.
Yes
Replace the media. Go to step 2.
Go to step 3. Replace the media
or change the media
size setup.
Go to step 4. Clean or replace the
feed roll, separation
roll, and pick roll.
Go to
dual input (TTM)—
feed roll removal"
on page
"2000-sheet dual
input (TTM)—
separation roll
removal" on
page
"2000-sheet dual
input (TTM)—pick
roll removal" on
page
Remove the media. Go to step 5.
Remove the media. Go to step 6.
Go to step 8. Go to step 7.
Replace the sensor Replace the
(registration). connection.
Refer to the Printer
Service Manual.
Diagnostic information
4024-110
No
No
"2000-sheet
4-100,
4-104, and
4-107.
2-43