Brother HL-4070CDW User Manual

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Troubleshooting

164

7

Wrinkle

 Change to the recommended type of paper.

 Make sure that the back cover is closed properly.

 Make sure that the drum unit is installed properly.

 Make sure that the fuser unit is installed properly.

 Replace the fuser unit. Call Brother Customer Service.

Offset image

 Check the printer’s environment. Conditions such as humidity and high

temperatures may cause this print quality problem. (See Positioning the

printer on page 5.)

 Make sure that you use paper that meets the printer's specifications. (See

About paper on page 6.)

 Put in a new drum unit. (See Replacing the drum unit on page 106.)

Poor fixing

 Make sure that you use paper that meets the printer's specifications. (See

About paper on page 6.)

 Make sure that the media type setting in the driver matches the type of paper

you are using. (See About paper on page 6.)

 Make sure that the release lever of the fuser unit is in the closed position.

 Replace the fuser unit. Call Brother Customer Service.

Poor fixing when printed on thick

paper

 Set the printer to thick paper mode from the control panel or the printer driver.

Examples of poor print quality Recommendation

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

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Brother HL-4070CDW