Brother International 4200CN Users Manual - English - Page 98

Symptom White spots appear in areas of dense black printing. Possible Cause Action Is the media suitable? Is the media folded or creased? Replace the media with a recommend size and type, and confirm that your printer driver settings are correct. See Suitable and Unsuitable Paper Types on page 3-1 The print head cartridge is old or damaged. Replace the print head cartridge. See Replacing the Print Head Cartridge (PH-12CL) on page 7-5. Color around the edge of printing is incorrect. Is the color registration correctly adjusted? Adjust the color registration. See Adjusting Color Registration on page 1-1. Partial blanks Is the paper damp? Replace the paper. See Loading Paper on page 3-7. Vertical blanks Is the media suitable? Is the transfer roll cartridge or fuser unit properly installed in the printer? Replace the media with a recommend size and type, and confirm that your printer driver settings are correct. Make sure that the transfer roll cartridge or fuser unit is properly installed. See Replacing the Transfer Roll Cartridge (TR-11CL) on page 7-11. See Replacing the Fuser unit (FP-12CL) on page 7-14. Is the print head cartridge properly installed in the printer? The print head cartridge, transfer roll cartridge, or fuser unit is old or damaged. Make sure that the print head cartridge is properly installed. See Replacing the Print Head Cartridge (PH-12CL) on page 7-5. Check the print head cartridge, transfer roll cartridge and fuser unit and replace them as necessary. See Replacing the Print Head Cartridge (PH-12CL) on page 7-5. See Replacing the Transfer Roll Cartridge (TR-11CL) on page 7-11. See Replacing the Fuser unit (FP-12CL) on page 7-14. 5 - 9 TROUBLESHOOTING