90Symptom Example ActionThe printed paper hasvertical streaks.• Verify that the appropriate paper is being used (→p.22).• Print a test page with new paper.• If the machine is not in use for a long time after the toner cartridgehas been replaced, change the <Special Mode B> settings fromthe operation panel.• When copying, change the <Special Mode Z> settings from theoperation panel.• When faxing, change the <Special Mode Z> and <Special ModeC> settings from the operation panel.• When printing from a computer, change the <Special Mode D>settings from the operation panel, or change the [Special PrintAdjustment] settings from the printer driver.Smudge marks ofspattering tonerappear around thetext or as patterns.• Verify that the appropriate paper is being used (→p.22).• Change the <Special Mode U> settings from the operation panel.The overall print resultis dark.• Adjust the copy density settings (→p.31).• If the machine is exposed to direct sunlight or strong light, move themachine to another location.The bottom edge ofpaper has smudgemarks.Provide a margin around the data.A portion of the pageis not printed. Provide a margin around the data.Printed bar codescannot be scanned.If printing a bar code from a computer, open the printer driver andselect [Finishing] [Advanced Settings] [Special Print Mode] [Special Settings 1] to change the printing preferences.Downloaded from ManualsPrinter.com Manuals
