Brother International 8050N Users Manual - English - Page 115

Symptom Vertical stripes Possible Cause Is the toner cartridge properly installed in the printer? Dirt may be on the laser window. Action Make sure that the toner cartridge is properly installed. See Replacing the Toner Cartridge (TN-1700) on page 6-1. Clean the laser window. Creased paper The toner cartridge, transfer roll cartridge, or fuser unit is old or damaged. Check the toner cartridge, transfer roll cartridge and fuser unit and replace them as necessary. See Replacing the Toner Cartridge (TN-1700) on page 6-1. See Replacing the Fuser Unit & Transfer Roll Cartridge (FP-8000) on page 6-5. Is the paper damp? Replace the paper. See Loading Paper and Printing on page 2-9. Is the media suitable? Are you using warped paper? Replace the media with a recommended size and type, and confirm that your printer driver settings are correct. See Suitable and Unsuitable Paper Types on page 2-1. Is the paper tray properly inserted into the Push the paper tray completely back into printer? the printer. Is there paper or a foreign object jammed in the printer? Turn the power off and remove the jammed paper or foreign object. If you cannot remove the obstruction, turn the printer off and contact your dealer or Brother Customer Service. Do not attempt to disassemble the printer. Is the fuser unit or transfer roll cartridge properly installed in the printer? Make sure that the transfer roll cartridge and fuser unit are properly installed. See Replacing the Fuser Unit & Transfer Roll Cartridge (FP-8000) on page 6-5. 5 - 9 TROUBLESHOOTING