Lexmark Optra C Service Manual - Page 101

5045-001 Poor Fusing Service Check FRU Action 1 Fuser upper roller Does the defect appear vertical and in a line? Check for flaws on the upper and lower rollers. 2 Fuser lower roller Is the fuser lower roller soiled? Clean the roller. Replace it if you cannot clean it. 3 Oil applying unit Is oil uniformly applied to the fuser upper roller? Check the operation of the oil applying unit. 4 Print paper Print with recommended paper. If the outcome is good, ask the user to use recommended paper. 5 Fuser unit Fuser nip width cannot be adjusted. Replace the fuser unit. Spacing Table Service Check FRU Fuser, upper roller Fuser, lower roller Photoconductor Developer Primary charge roll Attraction roll Discharge roll Cleaning brush Defect spacing 134 mm 134 mm 129 mm 50 mm 38 mm 50 mm 50 mm 94 mm Dirt X X X X X Blank Dirt on back Fusing X X X X X X X X Diagnostic Information 2-69