User Manual

ManualsBrandsBrother ManualsComputer equipmentHL-3075CW

161

162

163

164

165

166

167

168

169

170

Table Of Contents

USER’S GUIDE HL-3045CN HL-3075CW

Troubleshooting

158

Colour misregistration

 Make sure that the printer is on a solid level surface.

 Perform the auto colour registration using the control panel (see Auto

Registration on page 96) or perform the manual colour registration using the

control panel (see Manual Registration on page 97).

 Identify the colour causing the problem and put in a new drum unit. (See

Replacing the drum units on page 112.)

To identify the colour of the drum unit, visit us at http://solutions.brother.com/

to view our FAQs and troubleshooting tips.

 Put in a new belt unit. (See Replacing the belt unit on page 117.)

Uneven density appears

periodically across the page

 Perform the calibration. (See Calibration on page 95.)

 Identify the colour that is uneven and put in a new toner cartridge for that

colour. (See Replacing the toner cartridges on page 104.)

To identify the colour of the toner cartridge, visit us at

http://solutions.brother.com/

to view our FAQs and troubleshooting tips.

 Identify the colour that is uneven and put in a new drum unit. (See Replacing

the drum units on page 112.)

To identify the colour of the drum unit, visit us at http://solutions.brother.com/

to view our FAQs and troubleshooting tips.

Missing image at thin line  Make sure toner save mode is off in the control panel or the printer driver.

 Change the print resolution.

 If you use Windows printer driver, choose Improve pattern printing or Improve

Thin Line in Print Setting of Basic tab. (See Settings Dialog on page 38.)

Wrinkle

 Change to the recommended type of paper.

 Make sure that the back cover is closed properly.

 Make sure that two

grey levers inside the back cover are in the up position.

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

you are using. (See About paper on page 1.)

Offset image

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

you are using. (See About paper on page 1.)

 Make sure that two

grey levers inside the back cover are in the up position.

 Check the printer’s environment. Conditions such as dry and low

temperatures may cause this print quality problem. (See Choosing a location

in the Quick Setup Guide.)

 Identify the colour causing the problem and put in a new drum unit. (See

Replacing the drum units on page 112.)

To identify the colour of the drum unit, visit us at http://solutions.brother.com/

to view our FAQs and troubleshooting tips.

Examples of poor print quality Recommendation

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghij klmno pqrstu vwxyz.

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.