Samsung ML-1650 User Manual (user Manual) (ver.1.00) (English) - Page 108

Solving Print Quality Problems aBbCc aBbCc aBbCc aBbCc aBbCc Problem Toner specks AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Dropouts AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Vertical lines AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Solution • The paper may not meet paper specifications (for example, the paper is too moist or too rough). See "Paper Specifications" on pagAeaAB.2b. Cc • The transfer roller mAayabBebdCirtcy. See "Cleaning the Inside" on page 6.4. AaBbCc • The paper path mayAnaeeBdbclCeacning. See "Cleaning the Inside". AaBbCc If faded areas, generally rounded, occur randomly on the page: A• aABsibngClecsheet of paper may be defective. Try reprinting the AajoBb.bCc AA• aahThaBBsebbmmCCooicicssttusrpeoctsonotnenittsosfutrhfaecpea. pTeryr is a uneven or the paper different kind or brand AaofBpbapCecr. See "Paper Specifications" on page A.2. • The paper lot is bad. The manufacturing processes can cause some areas to reject toner. Try a different kind or brand of paper. • The toner cartridge may be defective. See Repetitive vertical defects" on page 7.18. • If these steps do not correct the problems, contact a service representative. If black vertical streaks appear on the page: • The photosensitive drum inside the toner cartridge has probably been scratched. Install a new toner cartridge. If white vertical streaks appear on the page: • The surface of the LSU part inside the printer may be dirty. Clean the LSU (see page 6.5). PROBLEM SOLVING 7.17