Adf Pick Roll Position Lift Up Failure - Lexmark X850e Service Manual

Step
2 Perform a POR.
Does the error remain when the power is turned off/on?

843.12 ADF pick roll position lift up failure

Step
1 Check the feed/pick roll assembly.
Remove the left cover media guide. Does The feed/pick roll
assembly moves smoothly up/down when the gears are
manually rotated?
2 Check the sensor (pick roll position HP) for operation.
Perform the sensor (pick roll position HP) test.
Open the ADF left cover assembly.
Remove the ADF left cover media guide. Go to
cover media guide removal" on page
1. Enter the Diagnostics Menu.
2. Touch SCANNER TESTS.
3. Touch Sensor Tests.
4. Touch Pick roll position HP.
Manually rotate the gears of the pick roll position motor
assembly to raise and lower the pick roll.
Does the display on the operator panel change every time the
sensing area of the above sensor is blocked?
3 Check the sensor (pick roll position HP) for connection.
Is the above sensor connected properly?
4 Check the pick roll position motor assembly.
Perform the pick roll position motor test.
Open ADF left cover assembly.
Override the switch (ADF left cover interlock).
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Scanner Motor Tests.
4. Touch Pick roll position mtr.
Does the pick roll position motor assembly raise and lower
properly?
Check
Check
"ADF left
4-181.
Yes
Replace the Problem solved.
ADF controller
card assembly.
Go to "ADF
controller card
assembly
removal" on
page 4-167.
Yes
Go to step 2. Replace the feed/
pick roll
assembly.
Go to step 4. Go to step 3.
Replace the Replace the
sensor (pick roll connection.
position HP).
Go to "Sensor
(pick roll
position HP)
removal" on
page 4-177.
Go to step 6. Go to step 5.
Diagnostic information
7500-XXX
No
No
2-135