Brother MFC-9420CN User Manual page 144

Examples of poor print quality
Missing image at edge
Wrinkle
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Mixed color image
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Insufficient gloss
Offset image
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Poor fixing
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Poor fixing when printed on thick
paper
Recommendation
■
Check that the toner cartridges are installed properly.
■
Check that the OPC belt cartridge is installed properly.
■
Identify the color causing the problem and replace the toner cartridge.
(See Replacing a toner cartridge on page C-29.)
■
Replace the OPC belt cartridge. (See Replacing the OPC belt cartridge
(OP-4CL) on page C-33.)
■
Change to a recommended type of paper, and then check that the problem is
solved. (See Recommended paper on page 2-1.)
■
Check that the back cover is closed properly.
■
Check that the transfer roller is installed properly.
■
Check that the fusing unit is installed properly.
■
Replace the fusing unit. (See Replacing the fusing unit on page C-35.)
■
Check that the front cover is closed properly.
■
Check that the toner cartridges are installed properly.
■
Check that the transfer roller is installed properly.
■
Replace the toner cartridges. (See Replacing a toner cartridge on page C-29.)
Check that the recommended paper is being used. (See Recommended paper on
page 2-1.)
Check that the recommended paper is being used. (See Recommended paper on
page 2-1.)
■
Check that the recommended paper is used. (See Recommended paper on
page 2-1.)
■
Check that the media type mode is selected properly.
■
Check that the release lever of the fusing unit is set properly.
■
Replace the fusing unit. (See Replacing the fusing unit on page C-35.)
Set the machine to thick paper mode through the control panel or the printer driver.
(See the Software User's Guide on the CD-ROM.)
Troubleshooting and routine maintenance
C
C - 19