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
printer’s Troubleshooting Print-Quality Problems pages or a specific print-quality
troubleshooting procedure for more information.
Imaging Unit
■ Streaks in Process Direction (in the direction of feed, parallel with paper travel)
■ Banding in Scan Direction (across the page, perpendicular to paper travel)
■ Uneven Density
■ Vo i d s
■ Repeating Defects
■ Mis-registration
Note
See "Cleaning the Imaging Unit Contacts" on page 7-3 for instructions on how to
clean the contacts.
Transfer Unit
■ Toner on the back side of the printed page (simplex mode)
■ Light Prints
■ Repeating Defects
■ Mis-registration - only when there is obvious damage to the belt.
Fuser
■ Hot or Cold Offsetting
■ Repeating Defects
■ Dark Streaks in Process Direction
LED Head
■ Streaks in the Process Direction
■ Uneven Density in the Scan Direction
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