6 - 13; Black toner marks across the ; White lines across the page- Page 84

Brother HL-2070N User's Guide

Table of Contents

User's Guide HL-2030/HL-2040/HL-2070N
background image

Troubleshooting

6 - 13

6

Black toner marks across the 

page

The drum unit may be damaged. Put in a new drum unit. See

 page 6-12

.

Make sure that you use paper that meets our specifications. See 

What kind of 

paper can I use?

 on page 1-4.

If you use label sheets for laser printers, the glue from the sheets may 
sometimes stick to the OPC drum surface. Clean the drum unit. See

 page 

6-12

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.

White lines across the page

Make sure that you use paper that meets our specifications. A rough surfaced 
paper or thick print media can cause the problem.

Make sure that you select the appropriate media type in the printer driver. 

The problem may disappear by itself. Try printing multiple pages to clear this 
problem, especially if the printer has not been used for a long time.

The drum unit may be damaged. Put in a new drum unit. See 

Replacing the toner 

cartridge

 on page 5-3.

Lines across the page

Clean the inside of the printer and the primary corona wire in the drum unit. See 

Cleaning

 on page 5-11.

The drum unit may be damaged. Put in a new drum unit. See 

Replacing the drum 

unit

 on page 5-8.

Black lines down the page

Printed pages have toner stains 
down the page.

Clean the primary corona wire of the drum unit. See 

Cleaning the corona wire

 

on page 5-14

Make sure the primary corona wire cleaner is at the home position (

). 

The drum unit may be damaged. Install a new drum unit. See 

Replacing the 

drum unit

 on page 5-8.

The toner cartridge may be damaged. Put in a new toner cartridge. See 

Replacing the toner cartridge

 on page 5-3. Make sure that a torn piece of paper 

is not inside the printer covering the scanner window.

The fuser unit may be smudged. Call your dealer or Brother Customer Service.

Examples of poor print 
quality

Recommendation

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Detailed Information for Brother HL-2070N User's Guide

Lists of information found in Brother HL-2070N User's Guide - Page 84

  • 4. • If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the OPC drum surface.
  • 3. Lines across the page ■ Clean the inside of the printer and the primary corona wire in the drum unit.
  • 11. ■ The drum unit may be damaged.
  • 8. Black lines down the page Printed pages have toner stains down the page.
  • 8. ■ The toner cartridge may be damaged.
  • 3. Make sure that a torn piece of paper is not inside the printer covering the scanner window.
  • If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the OPC drum surface.
  • 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.

FAQ (Frequently Asked Questions) for Brother HL-2070N User's Guide - Page 84

  • See What kind of paper can I use?

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