Samsung ElectronicsService ManualTroubleshooting6-206.5.7 Uneven Density• Description Print density is uneven between left and right.Check and Cause Solution1. The pressure force on the left and rightsprings of the transfer roller is not even,the springs are damaged, the transferroller is improperly installed, or the trans-fer roller bushing or holder is damaged.2. The toner level is not even on the devel-oper roller due to the bad blade.1. Replace both the left and right SpringHolder.2. Occur in the developer cartridge, replacethe developer and try to print out.6.5.8 Background• Description Light dark background appears in whole area of the printing.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterCheck and Cause Solution1. Does character exist less than 2%per a page, and hasn’t it been usedlong time?2. Does recycle paper be used?3. Has the life span of the developerended?4. Is the movement(Up and Down) ofthe transfer roller smooth?5. Is the HVPS normal?1. The toner cartridge is basicallydesigned to print 2,000 sheets with5% image.2. The B/S is not guaranteed if usingrecycle paper.3. Replace the developer when the lifespan of it has been ended.4. Clean the bushing part of the transferroller.5. If the problem is still not solved,replace the developer.
