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
â– Streaks
â– Fine Lines
â– Banding in Process Direction
â– Uneven Density
â– Vo ids
â– Repeating Defects
Transfer Roller
â– Toner on the back side of the printed page (simplex mode)
â– Light Prints
â– Repeating Defects
Fuser
â– Hot or Cold Offsetting
â– 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.)