Scanner Controller Card Assembly Failure 2; Exposure Lamp Failure - Lexmark X850e Service Manual

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

843.26 Scanner controller card assembly failure 2

Step
1 Check the connection of each scanner controller card
assembly connector.
Is each connector of scanner controller card assembly
connected properly?
2 Perform a POR.
Does the error remain when the power is turned off/on?
3 Perform a POR.
Does the error remain when the power is turned off/on again?

844.00 Exposure lamp failure

Step
1 Check the exposure lamp for operation.
Perform the exposure lamp test.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Scanner Motor Tests.
4. Touch Exposure lamp.
Does the exposure lamp operate properly?
Check
Check
Check
Yes
Replace the Problem solved.
scanner PS card
assembly.
Go to "Scanner
PS card
assembly
removal" on
page 4-154.
Yes
Go to step 2. Connect each
connector of
scanner
controller card
assembly
properly.
Replace the Problem solved.
scanner
controller card
assembly.
"Scanner
Go to
controller card
assembly
removal" on
page 4-143.
Replace the Problem solved.
scanner PS card
assembly.
Go to "Scanner
PS card
assembly
removal" on
page 4-154.
Yes
Go to step 6. Go to step 3.
Diagnostic information
7500-XXX
No
No
No
2-139