Samsung SCX-6345N Service Manual - Page 157

Troubleshooting 6.2.4 Copying problems Condition Copies are too light or too dark. Suggested solutions Use Darkness to darken or lighten the background of the copies. Smears, lines, marks, or spots appears on copies. • If defects are on the original, press Darkness to lighten the background of your copies. • If no defects are on the original, clean the scan unit. Copy image is skewed. • Ensure that the original is face down on the scanner glass or face up in the DADF. • Check that the copy paper is loaded correctly. Blank copies print out. Ensure that the original is face down on the scanner glass or face up in the DADF. Image rubs off the copy easily. • Replace the paper in the tray with paper from a new package. • In high humidity areas, do not leave paper in the machine for extended periods of time. Frequent copy paper jams occur. • Fan the stack of paper, then turn it over in the tray. Replace the paper in the tray with a fresh supply. Check/adjust the paper guides, if necessary. • Ensure that the paper is the proper paper weight. 75 g/m 2 bond paper is recommended. • Check for copy paper or pieces of copy paper remaining in the machine after a paper jam has been cleared. Toner cartridge produces fewer copies than expected before running out of toner. • Your originals may contain pictures, solids, or heavy lines. For example, your originals may be forms, newsletters, books, or other documents that use more toner. • The machine may be turned on and off frequently. • The scanner lid may be left open while copies are being made. Samsung Electronics Service Manual 6-9