Lexmark W840 Service Manual page 124

4024-XXX
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 operates?
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?
2-68
Options Service Manual
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.
Refer to the Printer
Service Manual.
Replace the 2TM/ Problem solved.
TTM controller card
assembly.
Go to "2000-sheet
dual input (TTM)—
2TM/TTM controller
card assembly
removal" on
page 4-116.
Go to step 15.
Replace the printer Problem solved.
engine card
assembly.
Refer to the Printer
Service Manual.
No