Xerox 4500N Reference Guide - Page 149

Print-Quality Problems Diagnosing Print-Quality Problems (Continued) Problem Causes Solutions Horizontal Line Deletions There are localized print deletions appearing as bands running across the paper. 1. The paper may be defective with creases, folds, etc. 2. The print cartridge may be defective or at the end of its life. 3. The transfer roller may be defective. 1. Replace the paper. 2. Replace the print cartridge. 3. Replace the transfer roller (in the maintenance kit). Vertical Dark Streaks There are black lines running across the print. 1. The print cartridge may be defective or at the end of its life. 2. The paper path may be contaminated with toner. 3. The fuser may be defective. 1. Replace the print cartridge. 2. Print several blank sheets of paper to remove the toner accumulations. 3. Replace the fuser (in the maintenance kit). Repetitive Horizontal Dark Streaks There are black lines running across the page. For more information, see "Repeating Defects" on page 4-29. 1. The paper path may be contaminated with toner. 2. The print cartridge may be defective or at the end of its life. 3. The fuser may be defective. 4. The transfer roller may be defective. 1. Print several blank sheets of paper to remove the toner accumulations. 2. Replace the print cartridge. 3. Replace the fuser (in the maintenance kit). 4. Replace the transfer roller (in the maintenance kit). Phaser™ 4500 Laser Printer 4-26