Lexmark W840 - Page 103

Diagnostic information 2-47
4024-XXX
9 Check the sensor (tray 4 feed-out) for proper
connection.
Is the above sensor connected properly?
Replace the sensor
(tray 4 feed-out).
Go to “2000-sheet
dual input (TTM)—
sensor (tray 4 feed-
out) removal” on
page 4-83.
Replace the
connection.
10 Note: This step only applies to machine equipped with a
2000-sheet dual input (TTM).
Remove the tray 4 media transport assembly from the
TTM.
Go to “2000-sheet dual input (TTM)—tray 4 media
transport assembly removal” on page 4-69.
Inspect the metal tab on the tray 4 media transport
assembly as shown in the graphic below.
Is the metal tab on the tray 4 media transport assembly
bent?
Staighten the metal
tab with needle nose
plyiers or replace the
tray 4 media
transport assembly.
Go to “2000-sheet
dual input (TTM)—
tray 4 media
transport assembly
removal” on
page 4-69.
Go to step 11.
11 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 12.
Problem solved.
12 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