Lexmark X940e Service Manual page 305

Step
2 Check the media tray assembly 4 for the transparencies.
Does the media tray 1 assembly contain transparencies?
3 Check the sensor (transparency detect) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch BASE SENSOR TESTS.
3. Touch Media path.
4. Touch Transparency detect
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked?
4 Check the sensor (transparency detect) for proper
connection.
Is the above component properly connected?
5 Perform a POR.
Does the error remain when the power is turned off/on?
6 Perform a POR.
Does the error remain when the power is turned off/on
again?
Check Yes
Ensure that the Go to step 3.
media tray
assembly is
supposed to be
configured for
transparencies or
replace them with
standard media.
Go to step 5. Go to step 4.
Replace the Replace the
sensor connection.
(transparency
detect).
Go to "Sensor
(transparency
detect) removal"
on page 4-38.
Replace the lower Problem solved.
printer engine card
assembly.
Go to "Lower
printer engine
card assembly
removal" on
page 4-77.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-71.
Diagnostic information
7510-XXX
No
2-191