Xerox 7750DXF - Phaser Color Laser Printer - Defects Associated with Specific Printer Components; The ROS

Print-Quality Troubleshooting 5-3
The Imaging Units
Potential Defects (usually single color):
■ Spots
■ Deletions
■ Bands
■ Repeating defects - 44 mm (1.7 in.) or 94 mm (3.7 in.)
The Developer Housings
Potential Defects (usually single color):
■ Bead Carryout (grit on copy)
■ Spots
■ Deletions
■ Mottle
■ Uneven density front to rear
■ Repeating defects - 28.3 mm (1.1 in.)
The Accumulator Belt Assembly
Potential Defects (usually all colors):
■ Spots
■ Deletions
■ Banding
■ Uneven density front to rear
■ Offsetting/Ghost Images (cleaner malfunction)
■ Repeating defects - every 4th 8 1/2 x 11 or every other 11 x 17
The Fuser
Potential Defects (all colors):
■ Streaks
■ Spots
■ Bands
■ Offsetting
■ Repeating defects - 84 mm (3.3 in.) or 94 mm (3.7 in.)
■ Transfer Roller - 88mm