Scanner Unit Assembly Software Logic Failure; Switch (Platen Interlock) Open - Lexmark X850e Service Manual

7500-XXX

846.12 Scanner unit assembly software logic failure

Step
1 Check the software version for the scanner controller card
assembly.
Is the version of the software of the scanner controller card
assembly correct?
2 Perform a POR.
Does the error remain when the power is turned off/on?

846.13 Switch (platen interlock) open

Step
1 Check the ADF for opening and closing.
Does the ADF lay completely flush on the scanner unit when
it is in its closed position?
2 Check the sensor (ADF angle) for proper installation.
Is the sensor (ADF angle) installed correctly?
3 Check the sensor (ADF angle) for operation.
Perform the sensor (ADF angle) test.
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch ADF angle.
Open and close the ADF unit assembly.
Does the display on the operator panel change every time the
sensing area of the above sensor is blocked?
4 Check the sensor (ADF angle) for connection.
Is the above sensor connected properly?
2-146
MFP Service Manual
Check
Check
Yes
Go to step 2. Upgrade the
software of the
scanner controller
card assembly.
Replace the Problem solved.
scanner
controller card
assembly.
Go to
"Scanner
controller card
assembly
removal" on
page 4-143.
Yes
Go to step 2. Inspect and
adjust the ADF
left hinge and
right hinge as
required.
Go to step 3. Reinstall the
sensor (ADF
angle).
Go to step 5. Go to step 4.
Replace the Replace the
sensor (ADF connection.
angle).
Go to "Sensor
(ADF angle)
removal" on
page 4-153.
No
No