Oki MPS930b Guide De Référence Pratique page 38

Troubleshooting
Print Problems (cont.)
Horizontal Dark Streaks
There are black lines that appear
horizontally on the page.
• The drum cartridge may be
defective or at the end of its life.
• The paper path may be
contaminated with toner.
• The fuser may be defective.
Repetitive Vertical Dark
Streaks
There are black lines that appear
vertically on the page.
• The paper path may be
contaminated with toner.
• The drum cartridge may be
defective or at the end of its life.
• The fuser may be defective.
• The transfer roller may be
defective.
38 • English