Lexmark X644E Service Manual - Page 205

7002-xxx FRU 7 Flatbed contact glass (models X642e/X644e/ X646e) Action Check for any signs of contamination on the flatbed contact glass. 8 Flatbed glass holder assembly (models X642e/X644e/ X646e) 9 ADF frontside bracket assembly strip 10 Flatbed CCD module (models X642e/X644e/ X646e) Use a clean, soft, lint-free cloth with isopropyl alcohol (if available) to clean the glass of any contamination. If the problem still persists, go to step 8. Note: It is recommended that you remove the glass and clean both sides. Check for any signs of contamination of the flatbed glass holder. Use a clean, soft, lint-free cloth with isopropyl alcohol (if available) to clean the glass if any contamination is found on the glass. If after cleaning, the problem persists, go to step 9. Check the ADF frontside bracket assembly for any signs of damage to the front flatbed white strip. If damaged, replace the complete ADF assembly. See "ADF complete assembly removal" on page 4-15. If no problem is found, check the front flatbed white strip for any signs of dirt, debris, or contamination. If any problem is found, clean the strip with a clean, soft, lint-free cloth with isopropyl alcohol. If this does not fix the problem, or no problem is found, go to step 10. Replace the flatbed CCD module. See "Flatbed CCD module assembly removal" on page 4-28. Diagnostic information 2-167