Brother MFC-9450CDN, DCP-9042CDN, DCP-9045CDN a b

Troubleshooting and routine maintenance

Ghost

Make sure that you use paper that meets our specifications. Rough-

surfaced paper or thick paper may cause the problem. (See

Acceptable paper and other mediaon page 10.)

Make sure that you choose the proper media type in the printer driver

or in the machine’s Paper Type menu setting. (See Acceptable paper

and other mediaon page 10 and Basic tab in the Software User’s

Guide on the CD-ROM.)

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

Replacing the drum uniton page 122.)

The color of your printouts are

not what you expected.

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

Replacing a toner cartridgeon page 117.)

Make sure that the toner cartridges are not empty. (See Toner life end

messageon page 117.)

Make sure that the drum unit is installed properly. (See Replacing the

drum uniton page 122.)

Make sure that the belt unit is installed properly. (See Replacing the

belt uniton page 128.)

Perform the calibration by using the control panel. Press Menu, 3, 6.

aPress OK to select Calibrate.

bPress 1 to select Yes.

(For more information, see Software User’s Guide on the CD-ROM.)

Adjust the color by using the custom setting in the printer driver.

Colors the machine can print and colors you see on a monitor are

different. The machine may not be able to reproduce the colors on

your monitor.

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

Acceptable paper and other mediaon page 10.)

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

Replacing the drum uniton page 122.)

Put in a new belt unit. (See Replacing the belt uniton page 128.)

All one color Clean the corona wires of the drum unit for the color causing the

problem. (See Cleaning the corona wireson page 104.) If the print

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

drum uniton page 122.)

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

Replacing the drum uniton page 122.)

Uneven density appears

periodically across the page

Identify the color that is uneven and put in a new toner cartridge for

that color. (See Replacing a toner cartridgeon page 117.)

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

Replacing the drum uniton page 122.)

Make sure that the fuser unit is installed properly.

Examples of poor print

quality

Recommendation

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