Lexmark CX735 Users Guide - Page 320
Poor copy quality, Vertical dark streaks on output when scanning from the ADF, Step 2
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Troubleshoot a problem 320 Action Yes Step 2 The problem is a Match the paper size setting and the paper loaded in the tray. solved. b Copy the document or photo. Is the document or photo copied correctly? No Contact customer support. Poor copy quality Action Yes Step 1 The problem is a Clean the scanner glass and the ADF glass with a damp, soft, solved. lint‑free cloth. If your printer has a second ADF glass inside the ADF, then also clean that glass. For more information, see "Cleaning the scanner" on page 243. b Make sure that the document or photo is loaded facedown on the upper left corner of the scanner glass. c Copy the document or photo. Is the copy quality satisfactory? Step 2 a Check the quality of the original document or photo. b Adjust the scan quality settings. c Copy the document or photo. The problem is solved. Is the copy quality satisfactory? No Go to step 2. Contact customer support. Vertical dark streaks on output when scanning from the ADF
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