Print-Quality Troubleshooting 5-3
Defects Associated with Specific Printer Components
Some print-quality problems can be associated with specific assemblies, the most
common problems and the associated assemblies are listed below. Also, refer to the
specific print-quality troubleshooting procedure for more information.
Imaging Unit
■ Streaks
■ Fine Lines
■ Banding in Process Direction
■ Uneven Density
■ Vo ids
■ Repeating Defects
Transfer Roller
■ Toner on the back side of the printed page (simplex mode)
■ Light Prints
■ Repeating Defects
Fuser
■ Hot or Cold Offsetting
■ Repeating Defects
Repeating Defects
Routine
Maintenance Item Component Distance between Defects
Imaging Unit Developer Roller [YMCK] 28 mm (1.10 in.)
Drum [YMCK] 62 mm (2.44 in.)
Drum Charge Rollers 25 mm (1 in.)
IDT 1 (Y and M, C and K) 132 mm (5.20 in.)
IDT 2 all colors together 132 mm (5.20 in.)
Transfer Roller Transfer Roller 64 mm (2.52 in.)
Fuser Assembly Fuser Assembly 82 mm (3.23 in.)
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