MFC-9420CN User Manual

Loading ...

Troubleshooting and routine maintenance

C - 19

C

Missing image at edge ■ 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.)

Wrinkle ■ 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.)

Mixed color image ■ 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.)

Insufficient gloss Check that the recommended paper is being used. (See Recommended paper on

page 2-1.)

Offset image Check that the recommended paper is being used. (See Recommended paper on

page 2-1.)

Poor fixing ■ 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.)

Poor fixing when printed on thick

paper

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.)

Examples of poor print quality Recommendation

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

Loading ...

User Manual - Page 144