Xerox 3300MFP Service Manual - Page 127

Repeating Defect Measurement Print-Quality Troubleshooting When horizontal lines and/or spots occurs periodically, it is possibly caused by a defect on a particular roller. Measure the interval of the defect on the test print and check the relation to the roller in the table. The interval does not necessarily match the circumference of the roller. If abnormal image prints periodically, check the parts shown below. 2 4 3 1 5 6 7 s3300mfp-169 No Roller Abnormal image period Kind of abnormal image Part to replace Parts List 1 OPC Drum 75.5 mm White spot, Black spot Print Cartridge 2 Charge Roller 37.7 mm Black spot Print Cartridge 3 Supply Roller 53.2 mm Horizontal Print Cartridge density band 4 Developing Roller 39.2 mm Horizontal Print Cartridge density band 5 Transfer Roller 47.1 mm Black side Transfer Roller contamination /transfer fault 6 Heat Roller 88.9 mm Black spot and Fuser fuser ghost 7 Pressure Roller 101.3 mm Black side Fuser contamination Phaser 3300MFP Service Manual 5-9