Brother International DCP-1400 Users Manual - English - Page 118
DIFFICULTY, SUGGESTIONS, Print Quality Difficulties - drum unit
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DIFFICULTY SUGGESTIONS Print Quality Difficulties Printed pages are curled. Thin Paper (17lb-18.4lb) can cause this problem. Make sure you select the Paper Type that suits the paper in your multipurpose sheet feeder. (See Paper Type, page 5-6 and 5-10 and Media Type, page 8-4.) Printed pages are smeared. Rough surfaces or thick media can cause "smeared pages" -OR-"the toner to smear." Make sure you select the Paper Type that suits the paper in your multi-purpose sheet feeder. (See Paper Type, page 5-6 and 5-10 and Media Type, page 84.) Printouts are too dark or light. Adjust the print conditions in the Print Density setting. It has been factory set to the middle position. (See Setting the Print Density, page 4-2.) Printed pages contain white stripes. White Stripes or Faint lmages You may fix this by wiping the scanner window with a clean soft cloth. (See Routine Maintenance and Cleaning the Drum Unit, on pages 14-14 and 14-16.) If you still see white stripes or faint images and the LCD shows CHANGE DRUM SOON, replace the drum unit with a new one. Check the DCP's environment. Conditions such as humidity and high temperatures may cause this print defect to occur. Printed pages are stained with toner or have vertical stripes. Dark Stripes or Toner Stains Clean the DCP's interior and the primary corona wire of the drum unit. (See Routine Maintenance and Cleaning the Drum Unit, on pages 14-14 and 14-16.) Make sure that the tab of the corona wire is at the Home ( ) position. If after cleaning, you still see dark stripes or toner stains and the LCD shows CHANGE DRUM SOON, replace the drum unit with a new one. Printed pages have white spots in black text and graphic areas. Make sure that you use paper that meets the specifications. Rough surface or thick media can cause the problem. If you still see white spots and the LCD shows CHANGE DRUM SOON, replace the drum unit with a new one. Check the DCP's environment; conditions such as high humidity may cause this situation to occur. White Spots Toner scatters and stains the printed page. Scattering Toner Adjust the print conditions in the Print Density setting. Remove the drum unit and clean the DCP's interior. (See Routine Maintenance and Cleaning the Drum Unit, on pages 14-14 and 14-16.) Make sure that you use paper that meets specifications. (See page 2-5.) If you still have scattered toner and the LCD shows CHANGE DRUM SOON, replace the drum unit with a new one. Check the DCP's environment; high temperature and high humidity may cause this condition to occur. 14 - 9 T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E