9 Troubleshooting9-20 Xerox PE220Copying ProblemsCondition Suggested solutionsCopies are too light ortoo dark.Use the Lighten/Darken button to darken or lightenthe background of the copies.Smears, lines, marks, orspots appears on copies.If defects are on the original, press the Lighten/Darken button to lighten the background of yourcopies.If no defects are on the original, clean the scan unit.See Cleaning the Scan Unit on page 8-5.Copy image is skewed. Ensure that the original is face down on the documentglass or face up in the ADF (Automatic DocumentFeeder).Check that the copy paper is loaded correctly.Blank copies print out. Ensure that the original is face down on the documentglass or face up in the ADF.Image rubs off the copyeasily.Replace the paper in the tray with paper from a newpackage.In high humidity areas, do not leave paper in themachine for extended periods of time.Frequent copy paperjams 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. 20 lb(75 g/m2 ) paper is recommended.Check for copy paper or pieces of copy paperremaining in the machine after a paper jam has beencleared.Print cartridge producesfewer copies thanexpected before runningout of toner.Your originals may contain pictures, solids, or heavylines. For example, your originals may be forms,newsletters, books, or other documents that use moretoner.The machine may be turned on and off frequently.The document cover may be left open while copiesare being made.