2Tm/Ttm Controller Card Assembly Communication Failure - Lexmark W840 Service Manual

Step
8 Check the sensor (media level) for proper connection.
Is the above sensor connected properly?
9 Check the tray 4 switch (TTM media size) for proper
connection.
Is the above switch connected properly?
10 Perform a print test.
Does the error still occur?
11 Perform a print test.
Does the error still occur?

980.00 2TM/TTM controller card assembly communication failure

Step
1 Check the 2TM/TTM controller card assembly and the
printer engine card assembly for proper connection.
Are connectors P541 and P413 on the above cards
connected properly?
2 Perform a print test.
Does the error still occur?
3 Perform a print test.
Does the error still occur?
Check
Check
Yes
Replace the sensor Replace the
(media level). connection.
Go to "2000-sheet
dual input (TTM)—
sensor (media
level) removal" on
page 4-96.
Replace the switch Replace the
(TTM media size). connection.
Go to "2000-sheet
dual input (TTM)—
switch (TTM media
size) removal" on
page 4-84
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 11.
Replace the printer Problem solved.
engine card
assembly.
Refer to the Printer
Service Manual.
Yes
Problem solved. Replace the
connection.
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 3.
Replace the printer Problem solved.
engine card
assembly.
Refer to the Printer
Service Manual.
Diagnostic information
4024-XXX
No
No
2-59