White Reference/Exposure Lamp Illumination Failure - Lexmark X862de Service Manual

Step
2 Check the exposure lamp for connection.
Is the above component connected properly?
3 Check the exposure lamp PS card assembly.
Is the above card properly connected to the scanner
controller card assembly?
4 Check the scanner PS card assembly for connection.
Is the above card connected properly?
5 Perform a POR.
Does the error remain when the power is turned off/on?

844.01 White reference/exposure lamp illumination failure

Step
1 Check the large platen glass.
Is the large platen glass installed properly?
Check
Check
7500-432, -632, and -832
Yes No
Replace the Replace the
exposure lamp. connection.
Go to "Exposure
lamp removal"
on page 4-166.
Replace the Replace the
exposure lamp connection.
PS card
assembly.
Go to "Exposure
lamp PS card
assembly
removal" on
page 4-165.
Replace the Replace the
scanner PS card connection.
assembly.
Go to "Scanner
PS card
assembly
removal" on
page 4-162.
Replace the Problem solved.
scanner
controller card
assembly.
Go to "Scanner
controller card
assembly
removal" on
page 4-151.
Yes No
Go to step 2. Remove and
clean the large
platen glass.
Go to "Large
platen glass
removal" on
page 4-150.
Reinstall the
large platen glass
properly.
Go to step 3.
Diagnostic information
Previous
Next
Go Back
2-137