Brother International MFC 9420CN Users Manual - English - Page 144
C - 19 - driver
UPC - 012502614074
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Troubleshooting and routine maintenance Examples of poor print quality Missing image at edge Wrinkle ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. 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.) Mixed color image ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ■ 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 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. 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.) Poor fixing ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ■ 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.) C 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.) C - 19