Oki B4300 Guide: User's B4200/B4300 - Page 78
Print quality problems, Symptom, Problem, Solution
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7. The printer will warm up and commence printing when ready. The page lost through the jam will normally be reprinted. NOTE If the edge of the jammed paper protrudes (or can be seen) from the exit, reinstall the image drum, close the top cover and switch the printer on. Remove the jammed paper from the exit when the exit roller begins rotating after a few seconds after switching on. However, if the jammed paper cannot be removed, contact a service representative. PRINT QUALITY PROBLEMS Before consulting a service representative regarding a print quality problem, check the table below to see if there is a solution, or something you might have overlooked. Symptom Problem Solution Blank sheets printed. Image drum cartridge not Reinstall image drum cartridge. properly installed. Empty or missing toner Install new toner cartridge. cartridge. Entire page prints faintly. Empty toner cartridge. Pages get fainter when toner is used up. Install new toner cartridge. LED array is dirty. Clean LED array. Page has grey background. Static electricity, generally from dry environments, causes toner to stick to background. Change paper to a smoother laser bond or use a humidifier. Page prints all black. Hardware problem. Contact service. Page has repetitive Damaged image drum Generate a cleaning page, repetitive marks marks. cartridge causes repetitive marks every 1.6 inches (4.06 cm) due to surface nicks and scratches. may be temporary. Oblong area of faint Drop out caused by using Change paper stocks, check paper storage print appears on each paper exposed to high environment or use a dehumidifier; check page. humidity. toner level. TROUBLESHOOTING > 78