Dell 5230dn Mono Laser Printer Service Manual - Page 203

No fuse Leading edge Trailing edge Step Check 1 Check the fuser unit assembly installation. Is the fuser unit assembly properly installed? 2 Check the media condition. Load new, dry, recommended media. Re-print the defective image. Does the problem remain? 3 Check the heat roll and pressure roll. Remove the fuser unit assembly. CAUTION: Allow the fuser unit assembly to cool down. Is there contamination or cracks on the heat roll and/or pressure roll? 4 Check the LVPS card assembly for proper connection. Is the above component connected properly? 5 Perform a print test. Does the problem remain? Yes Go to step 2. Go to step 3. No Reinstall the fuser unit assembly. Problem solved. Replace the fuser unit assembly. Go to "Fuser unit assembly removal" on page 4-22. Go to step 4. Replace the LVPS card assembly. Go to "System card assembly removal" on page 4-76 or "LVPS card assembly removal (5350dn, 5530dn, and T656)" on page 4-30. Replace the system card assembly. Go to "System card assembly removal" on page 4-76. Remove then reinsert the LVPS card assembly. Problem solved. Diagnostic information 2-169