TROUBLESHOOTING > 383. If you have embedded any printer commands in yoursoftware, check to be sure that you entered them correctly.ProblemInk smears on the paper when I print narrow columns.SolutionsThe head gap could be too close. Check that the head gap is setcorrectly (see the table in "Adjusting the head gap" in the GettingStarted section).ProblemI've installed a new ribbon and the printing is smeared andstreaked.SolutionThe ribbon shield (1) is either loose or missing.Remove the ribbon cartridge and check the ribbon shield.If it is loose, secure it. If it is missing, find it and install it. Ifyou cannot find it, replace the ribbon cartridge.Tip: If you still have an old ribbon cartridge, remove theshield from it and install it on the ribbon cartridge on yourprinter.ProblemThere are dots missing in my printouts (typically, tops and /orbottom of characters missing).1

Oki ML280eco User Manual