Oki B4200 Guide: User's B4200/B4300 - Page 79
Software problems
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Symptom Problem Solution Vertical white streaking or faint areas on page. Vertical black lines. Fuzzy print. Distorted print. Faded print. Smeared or blotched print. Printed page is light/ blurred. Bold characters and dark lines are smeared. Print is darker than usual. Pages curl excessively. Toner is low and does not Replace toner cartridge. Check drum and distribute properly, or the replace the drum, if necessary. Contact drum is worn out. service. LED array is dirty. Clean LED array. Hardware problem. Contact service. LED array is dirty. Clean LED array. Paper path, lamp Generate cleaning page. assembly, or fusing unit Contact service. problem. Toner cartridge is not correctly installed. Toner low. Install toner cartridge correctly. Replace toner cartridge. Dirty rollers; toner Replace image drum and toner. dropped inside printer or Contact service. image drum problem. Is toner low? Replace toner cartridge. Is paper meant for laser Use recommended paper. printers? LED array is dirty. Clean LED array. Toner is low. Install new toner cartridge. Darkness setting is too Change darkness setting. high. Printing on wrong side of Turn paper over in tray. (Note arrow on paper. paper package). Install paper print side down in tray. Moisture in paper. Improper storage. Avoid storing paper in areas of excessive temperature and humidity. Store paper in protective wrapping. High humidity. Recommended operating humidity: 20-80% SOFTWARE PROBLEMS Your software (operating environment, applications and printer drivers) controls the printing process. Make sure you have selected the right driver TROUBLESHOOTING > 79