Oki B4600 B4400 4500 4550 4600 User Guide (English) - Page 97
Software problems, Your software operating environment, applications
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Symptom Problem Solution Vertical white Toner is low and streaking or faint does not distribute areas on page. properly, or the drum is worn out. LED array is dirty. Vertical black lines. Hardware problem. Fuzzy print. LED array is dirty. Distorted print. Paper path, lamp assembly, or fusing unit problem. Faded print. Toner cartridge is not correctly installed. Toner low. Smeared or blotched print. Dirty rollers; toner dropped inside printer or image drum problem. Printed page is light/blurred. Is toner low? Is paper meant for laser printers? LED array is dirty. Bold characters and dark lines are smeared. Toner is low. Print is darker than usual. Darkness setting is too high. Pages curl excessively. Printing on wrong side of paper. Moisture in paper. Improper storage. High humidity. Replace toner cartridge. Check drum and replace the drum, if necessary. Contact service. Clean LED array. Contact service. Clean LED array. Generate cleaning page. Contact service. Install toner cartridge correctly. Replace toner cartridge. Replace image drum and toner. Contact service. Replace toner cartridge. Use recommended paper. Clean LED array. Install new toner cartridge. Change darkness setting. Turn paper over in tray. (Note arrow on paper package). Install paper print side down in tray. Avoid storing paper in areas of excessive temperature and humidity. Store paper in protective wrapping. Recommended operating humidity: 20-80% Software problems Your software (operating environment, applications and printer drivers) controls the printing process. Make sure you B4400/4500/4550/4600 User's Guide 97