White lines across the page

White lines down the page

Hollow print

Gray background

Page skewed

Ghost

Wrinkles or creases

White Spots on black text
and graphics at 3.7 in.
(94 mm) intervals

Black Spots at 3.7 in.
(94 mm) intervals

Faint

Toner specks

All black

Black toner marks across the
page

Line across the page

Black lines down the page

Printed pages have toner
stains down the page

• Make sure that you use paper that meets our specifications. A rough surfaced paper or thick print media can cause the problem.
  Please refer to "What is the recommended paper?".
  
  
• Make sure that you choose the appropriate media type in the printer driver or in the machine's Paper Type menu setting.
  
  
• The problem may disappear by itself. Print multiple pages to clear this problem, especially if the machine has not been used for a long time.
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Wipe the laser scanner windows with a dry, lint-free soft cloth.
  Please refer to the instructions, "How do I clean the laser scanner windows?".
  
  
• Make sure that a torn sheet of paper is not inside the machine covering the scanner window.
  
  
• The toner cartridge may be damaged. Put in a new toner cartridge.
  Please refer to the instructions, "How do I replace the toner cartridge?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Make sure that you use paper that meets our specifications.
  Please refer to "What is the recommended paper?".
  
  
• Choose Thick paper mode in the printer driver, choose Thick in the
  machine's Paper Type menu setting or use thinner paper than you are currently using.
  
  
• Check the machine's environment. Conditions such as high humidity can cause hollow print.
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Make sure that you use paper that meets our specifications.
  Please refer to "What is the recommended paper?".
  
  
• Check the machine's environment. Conditions such as high temperatures and high humidity can increase the amount of background shading.
  
  
• The toner cartridge may be damaged. Put in a new toner cartridge.
  Please refer to the instructions, "How do I replace the toner cartridge?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Make sure that the paper or other print media is loaded properly in the paper tray and that the guides are not too tight or too loose against the paper stack.
  
  
• The paper tray may be too full.
  
  
• Check the paper type and quality.
  Please refer to "What is the recommended paper?".

• Make sure that you use paper that meets our specifications. Roughsurfaced paper or thick paper may cause the problem.
  Please refer to "What is the recommended paper?".
  
  
• Make sure that you choose the proper media type in the printer driver or in the machine's Paper Type menu setting.
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".
  
  
• The fuser unit may be contaminated. Contact Brother Customer Service from "Contact Us".

• Check the paper type and quality.
  Please refer to "What is the recommended paper?".
  
  
• Make sure that paper is loaded properly.
  
  
• Turn over the stack of paper in the tray or rotate the paper 180° in the
  input tray.

• Make ten copies of a blank, white sheet of paper. If the problem is not solved, the drum unit may have glue from a label stuck on the OPC drum surface. Clean the drum unit.
  Please refer to "How do I clean the drum unit?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Check the machine's environment. Conditions such as humidity, high temperatures, and so on, may cause this print fault.
  
  
• If the whole page is too light, Toner Save mode may be on. Turn off Toner Save mode in the machine menu settings or Toner Save mode in the printer Properties of the driver.
  
  
• Clean the scanner window and the corona wire of the drum unit.
  Please refer to "How do I clean the laser scanner window?" and "How do I clean the corona wire?".
  
  
• The toner cartridge may be damaged. Put in a new toner cartridge.
  Please refer to the instructions, "How do I replace the toner cartridge?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Make sure that you use paper that meets our specifications. Roughsurfaced paper may cause the problem.
  Please refer to "What is the recommended paper?".
  
  
• Clean the corona wire and the drum unit.
  Please refer to "How do I clean the corona wire?" and "How do I clean the drum unit?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".
  
  
• The fuser unit may be contaminated. Contact Brother Customer Service from "Contact Us".

• Clean the corona wire inside the drum unit by sliding the blue tab. Be sure to return the blue tab to the home position.
  Please refer to "How do I clean the corona wire?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".
  
  
• The fuser unit may be contaminated. Contact Brother Customer Service from "Contact Us".

• Make sure that you use paper that meets our specifications.
  Please refer to "What is the recommended paper?".
  
  
• If you use label sheets for laser machines, the glue from the sheets may sometimes stick to the OPC drum surface. Clean the drum unit.
  Please refer to "How do I clean the drum unit?".
  
  
• Do not use paper that has clips or staples because they will scratch the surface of the drum.
  
  
• If the unpacked drum unit is in direct sunlight or room light, the unit may be damaged.
  
  
• The toner cartridge may be damaged. Put in a new toner cartridge.
  Please refer to the instructions, "How do I replace the toner cartridge?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Clean the scanner window and the corona wire of the drum unit.
  Please refer to "How do I clean the laser scanner window?" and "How do I clean the corona wire?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".

• Clean the corona wire inside the drum unit by sliding the blue tab. Be sure to return the blue tab to the home position.
  Please refer to "How do I clean the corona wire?".
  
  
• The toner cartridge may be damaged. Put in a new toner cartridge.
  Please refer to the instructions, "How do I replace the toner cartridge?".
  
  
• The drum unit may be damaged. Put in a new drum unit.
  Please refer to the instructions, "How do I replace the drum unit?".
  
  
• The fuser unit may be contaminated. Contact Brother Customer Service from "Contact Us".