Brother MFC-9840CDW manual

Models: MFC-9840CDW

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Page 138
Image 138

Examples of poor print

Recommendation

quality

 

 

 

 

 

 

 

 

 

 

Colored streaks or bands down

„ One of the toner cartridges may be damaged. Replace the toner

the page

 

 

 

 

 

 

 

 

 

cartridge that matches the color of the streak or band. (See Replacing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

a toner cartridge on page 172.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Clean all four corona wires (one for each color) of the drum unit by

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789.

abcdefghijklmnopqrstuvwxyz.

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789.

abcdefghijklmnopqrstuvwxyz.

sliding the green tab. (See Cleaning the corona wires on page 158.)

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789.

abcdefghijklmnopqrstuvwxyz.

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789.

abcdefghijklmnopqrstuvwxyz.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Make sure each corona wire’s green tab is at the home position (b).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the drum unit on page 177.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ The fuser unit may have a smudge mark. Call Brother Customer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Service at 1-877-BROTHER (1-877-276-8437) (in USA) or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-877-BROTHER (in Canada).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Colored lines across the page

„ One of the toner cartridges may be damaged. Replace the toner

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cartridge that matches the color of the line. (See Replacing a toner

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

cartridge on page 172.)

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the drum unit on page 177.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Clean all four corona wires (one for each color) of the drum unit by

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sliding the green tab. (See Cleaning the corona wires on page 158.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Clean the laser scanner windows with a soft cloth. (See Cleaning the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

laser scanner windows on page 154.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

White spots or hollow print

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Acceptable paper and other media on page 11.)

 

 

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

„ Make sure that the recommended paper was used.

 

 

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Choose Thick paper mode in the printer driver or in the machine’s

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Paper Type menu setting, or use thinner paper than you are currently

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

using. (See Paper type on page 22 and Basic tab in the Software

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

User’s Guide on the CD-ROM.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Change the paper to fresh, unopened paper.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Check the machine’s environment. Conditions such as high humidity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

can cause hollow print. (See Choosing a location on page 98.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Clean all four corona wires (one for each color) of the drum unit by

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sliding the green tab. (See Cleaning the corona wires on page 158.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If the print quality has not improved, put in a new drum unit. (See

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the drum unit on page 177.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Clean the drum unit. (See Cleaning the drum unit on page 161.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Completely blank or some

„ Make sure that the toner cartridges are installed properly. (See

colors are missing.

Replacing a toner cartridge on page 172.)

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

„ One of the toner cartridges may be damaged. Identify the missing

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

color and put in a new toner cartridge for the color with the white line.

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(See Replacing a toner cartridge on page 172.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replacing the drum unit on page 177.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

122

Page 138
Image 138
Brother MFC-9840CDW manual