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152

Colours are light or unclear on the

whole page

 Perform the calibration using the Touchscreen or the printer

driver (see Colour Calibration on page 116).

 Adjust the copy density and contrast if you are copying

(see Advanced User's Guide).

 Make sure Toner Save mode is off in the Touchscreen or the

printer driver.

 Make sure the media type setting in the driver matches the

type of paper you are using (see Acceptable paper and other

print media on page 32).

 Shake all four toner cartridges gently.

 Wipe the laser scanner windows with a dry lint free soft cloth

(see Cleaning the laser scanner windows on page 102).

White streaks or bands down the

page

 Wipe the laser scanner windows with a dry lint free soft cloth

(see Cleaning the laser scanner windows on page 102).

 Wipe the scanner glass strip with a dry lint free soft cloth

(see Cleaning the scanner glass on page 101).

 Make sure foreign material such as a torn piece of paper,

sticky notes or dust is not inside the machine or around the

drum unit and toner cartridge.

Examples of poor print quality Recommendation

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

Brother DCP-L8400DN User Manual

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