Improving the print quality; Examples of poor print quality; C - 16- Page 141

Brother MFC-9420CN User's Guide

2014 Dodge Charger SRT Owner Manual

Table of Contents

USER’S GUIDE MFC-9420CN
Section II Fax & Telephone
Section V Appendixes
background image

Chapter C

C - 16

Improving the print quality

If you are having problems with print quality, please do a test print first (

Menu/Set

4

2

3

).

If the problem appears on the printout, then match it to one of the examples below and follow the 
recommendation. If the problem does not appear on the test print, please check driver settings 
and the interface cables as the problem may not lie with the machine.

Examples of poor print quality

Recommendation

White lines or bands or ribbing 
across the page

â– 

Check that the machine is on a solid level surface.

â– 

Check that the back cover is closed properly.

â– 

Check that the toner cartridges are installed properly.

â– 

Shake the toner cartridges gently.

â– 

Check that the transfer roller is installed properly.

â– 

Replace the transfer roller. (See 

Replacing the transfer roller

 on page C-39.)

Colors are light or unclear on the 
whole page

â– 

Check that the recommended paper was used. (See 

Recommended paper

 on 

page 2-1.)

â– 

Change the paper to freshly unpacked paper, and then check that the problem 
is solved.

â– 

Check that the back cover is closed properly.

â– 

Shake the toner cartridges gently.

â– 

Clean the laser glass. (See 

Cleaning the laser glass

 on page C-24.)

â– 

Turn off Toner Save. (See 

Toner Save

 on page 3-7.)

White streaks or bands down the 
page

Clean the laser glass. (See 

Cleaning the laser glass

 on page C-24.)

Identify the missing color and replace that toner cartridge. (See 

Replacing a toner 

cartridge

 on page C-29.)

The toner has probably reached the end of its life.

However, when you see a white vertical line on the toner roller, try the following 
procedure.

â– 

Cut a sheet approx. 1.97 in. x 1.97 in. (50 mm x 50 mm) out of a transparency 
film. 

â– 

Insert the film about 2.54 in. (10 mm) into the gap between the toner roller and 
the blade.

â– 

Slide the film and pull it out as shown below.

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

Detailed Information for Brother MFC-9420CN User's Guide

Lists of information found in Brother MFC-9420CN User's Guide - Page 141

  • 39.) Colors are light or unclear on the whole page â–  Check that the recommended paper was used.
  • 1.) â–  Change the paper to freshly unpacked paper, and then check that the problem is solved.
  • 24.) â–  Turn off Toner Save.
  • 7.) White streaks or bands down the page Clean the laser glass.
  • 24.) Identify the missing color and replace that toner cartridge.
  • 29.) The toner has probably reached the end of its life.
  • 1.97 in.
  • 1.97 in.
  • 2.54 in.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.
  • 89. abcdefghijklmnopqrstuvwxyz.

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