Brother International MFC 4600 Users Manual - English - Page 101
Black White Example of Regular, Marking, Blurred Ghost Images
UPC - 012502565185
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DIFFICULTY SUGGESTIONS Print Quality Difficulties (CONTINUED) The whole page is printed black. Black Page Wipe the electric terminals referring to page 11-18. Also, do not use heat-sensitive paper as it will cause this problem. After cleaning, if the printed pages are still black and the display shows CHANGE DRUM SOON, replace the drum unit with a new one. Nothing is printed on the page. White page Make sure that the toner cartridge is not empty. Wipe the electric terminals. (SeeRoutine Maintenance, page 11-17, Cleaning the Printer, page 11-18 and Cleaning the Drum Unit, page 11-19.) Make sure that a torn piece of paper does not remain on the scanner window. Printed pages are marked at regular intervals. Example of Regular Marking Markings may disappear by themselves. Try copying multiple pages to clear this problem. Markings may occur if the FAX/MFC has not been used for a long time. A possible cause is that the surface of the drum is scratched. You must then replace the drum unit with a new one. If the markings do not disappear, it may be that the drum was marked or damaged by excessive exposure to light. In this case, replace the drum unit with a new one. Printed pages are blurred at the center or at either edge. Blurred Page Certain environmental conditions such as humidity, high temperatures, etc. may cause this condition to occur. Make sure the FAX/MFC is placed on a flat, horizontal surface. Remove the drum unit with the toner cartridge installed. Try rocking them from side to side. You may clear a blurred page by wiping the scanner windows with a clean soft cloth. (See Routine Maintenance, page 11-17, Cleaning the Printer, page 11-18 and Cleaning the Drum Unit, page 11-19.) If a blurred page occurs after cleaning and the display shows CHANGE DRUM SOON, replace the drum unit with a new one. Ghost images appear on Adjust the print conditions by setting the Print the printed page. Density function, page 5-5. Make sure that you use paper that meets the specifications. Rough surfaces or thick media can cause a ghost image. Ghost Images Note The drum unit is a consumable item and it is necessary to replace it periodically. 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 11 - 14