Lexmark X945e MFP 7510 series Service Manual page 343

Step
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
Go to step 5. Go to step 4.
Replace the Replace the
sensor connection.
(transparency
detect).
Go to "Sensor
(transparency
detect) removal"
on page 4-48.
Replace the lower Problem solved.
printer engine card
assembly.
Go to "Lower
printer engine
card assembly
removal" on
page 4-91.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-84.
Diagnostic information
7510
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