Tray 4 Media Size Mismatch In Length - Lexmark W850n Service Manual

Step
10 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?
11 Check the sensor (registration) for proper connection.
Is the above sensor connected properly?
12 Check the registration clutch for proper operation.
1. Enter Diagnostics mode.
2. Select MOTOR TESTS.
3. Select Registrat clutch.
Does the above component make an audible clicking
sound every time it is activated?
13 Check the registration clutch for proper connection.
Is the above component connected properly?
14 Perform a print test.
Does the error still occur?
15 Perform a print test.
Does the error still occur?

Tray 4 media size mismatch in length

Step
1 Check the media.
Pull out tray 4, and visually check it.
Is the media loaded in tray 4 properly?
2 Check the media.
Are the front media tray guide assembly and rear media
tray guide on tray 4 set correctly?
Pull out tray 4, and visually check it.
Check
Check
Yes
Go to step 12. Go to step 11.
Replace the sensor Replace the
(registration). connection.
Refer to the Printer
Service Manual.
Go to step 14 Go to step 13.
Replace the Replace the
registration clutch. connection.
Replace the 2TM/ Problem solved.
TTM controller card
assembly.
Go to "2X 500-
sheet drawer
(2TM)—2TM/TTM
controller card
assembly removal"
on page 4-43.
Go to step 15.
Replace the printer Problem solved.
engine card
assembly.
Refer to the Printer
Service Manual.
Yes
Go to step 2. Load media
properly.
Go to step 3. Set the parts
properly.
Diagnostic information
4024-110
No
No
2-33