6 - 12; Examples of poor print ; a b c d e- Page 117

Brother HL-5140 User's Guide

Table of Contents

About this printer
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TROUBLESHOOTING   6 - 12

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Make sure that you use paper that meets the recommended specifications. 
See What kind of paper can I use? in Chapter 1.

Check the printer’s environment - high temperatures and high humidity can 
increase the amount of background shading. See Positioning the printer on 
page 1-4.

Use a new toner cartridge. See Replacing the toner cartridge in Chapter 5.

Use a new drum unit. See Replacing the drum unit on page 5-9.

Ghost

Make sure you use paper that meets our specifications. Rough-surfaced 
paper or thick print media may cause this problem. See What kind of paper 
can I use?
 on page 1-5.
 

Make sure that you choose the appropriate media type in the printer driver. 
See What kind of paper can I use? on page 1-5.

Try using a new drum unit. See Replacing the drum unit on page 5-9.

Toner specks

Make sure that you use paper that meets our specifications. Rough-surfaced 
paper may cause the problem. See What kind of paper can I use? on page 
1-5
.

The drum unit may be damaged. Put in a new drum unit. See Replacing the 
drum unit
 on page 5-9.

Hollow print

Make sure that you use paper that meets our specifications. See What kind 
of paper can I use?
 in Chapter 1.

Choose Thick paper mode in the printer driver, or use thinner paper than you 
are currently using.

Check the printer’s environment because conditions such as high humidity 
can cause hollow print. See Positioning the printer on page 1-4. 

All black

You may clear the problem by cleaning the primary corona wire inside the 
drum unit by sliding the blue tab. Make sure you return the blue tab to the 
home position (

). See Cleaning on page 5-12.

The drum unit may be damaged. Put in a new drum unit. See Replacing the 
drum unit
 on page 5-9.

Examples of poor print 
quality

Recommendation

ABCDEFGH
abcdefghijk

A B C D
a b c d e
0 1 2 3 4

ABCDEFGH
abcdefghijk

A B C D
a b c d e
0 1 2 3 4

Detailed Information for Brother HL-5140 User's Guide

Lists of information found in Brother HL-5140 User's Guide - Page 117

  • 1. ■ Check the printer’s environment - high temperatures and high humidity can increase the amount of background shading.
  • 4. ■ Use a new toner cartridge.
  • 5. ■ Use a new drum unit.
  • 9. Ghost ■ Make sure you use paper that meets our specifications.
  • 5. ■ Make sure that you choose the appropriate media type in the printer driver.
  • 5. ■ Try using a new drum unit.
  • 9. Toner specks ■ Make sure that you use paper that meets our specifications.
  • 5. ■ The drum unit may be damaged.
  • 9. Hollow print ■ Make sure that you use paper that meets our specifications.
  • 1. ■ Choose Thick paper mode in the printer driver, or use thinner paper than you are currently using.
  • 4. All black ■ You may clear the problem by cleaning the primary corona wire inside the drum unit by sliding the blue tab.
  • 12. ■ The drum unit may be damaged.

FAQ (Frequently Asked Questions) for Brother HL-5140 User's Guide - Page 117

  • See What kind of paper can I use?
  • See What kind of paper can I use?
  • See What kind of paper can I use?
  • See What kind of paper can I use?
  • See What kind of paper can I use?

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