Lexmark W840 - 2 TM;TTM Left Door Assembly Open

Diagnostic information 2-61
4024-XXX
2TM/TTM left door assembly open
2 Check the media.
Pull out tray 4, and visually check it.
Are the front media guide and rear media guide on tray
4 set correctly?
Go to step 3. Set the parts
properly.
3 Check the switch (TTM media size) for proper
installation.
Pull out tray 4, and visually check it.
Is the switch (TTM media size) for tray 4 installed
properly?
Go to step 4. Install the switch
(TTM media size)
correctly.
Go to “2000-sheet
dual input (TTM)—
switch (TTM media
size) removal” on
page 4-84.
4 Check the switch (TTM media size) for proper
connection.
Is the above switch connected correctly?
Replace the switch
(TTM media size).
Go to “2000-sheet
dual input (TTM)—
switch (TTM media
size) removal” on
page 4-84.
Replace the
connection.
5 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?
Go to step 6. Replace the
connection.
6 Perform a print test.
Does the error still occur?
Replace the 2TM/
TTM controller card
assembly.
Go to “2000-sheet
dual input (TTM)—
2TM/TTM controller
card assembly
removal” on
page 4-116.
Go to step 7.
Problem solved.
7 Perform a print test.
Does the error still occur?
Replace the printer
engine card
assembly.
Refer to the Printer
Service Manual.
Problem solved.
Step Check Yes No
1 Check the 2TM/TTM left door assembly for opening and
closing.
Does the 2TM/TTM left door assembly open or close
normally?
Go to step 2. Check the 2TM/TTM
left door assembly
for deformation, and
reinstall it.
Go to “2000-sheet
dual input (TTM)—
2TM/TTM left door
assembly removal”
on page 4-111
Step Check Yes No