Sharp MX-4071 User Manual FAQ - Color Advanced & Essential Series 2 - Page 17
Lines Appear In The Image, Smudges Appear On Printed Output
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General Problems ? LINES APPEAR IN THE IMAGE Check Are the scanning areas of the document glass or automatic document feeder dirty? Is the bypass feed roller dirty? Did you clean the main charger of the photoconductive drum? Did you clean the PT charger of the primary transfer belt? Did you clean the laser unit? Did you execute Black Streak Reduction of system setting? ! Solution ■ Clean the scanning areas of the document glass or automatic document feeder. ► Maintenance (page 6) ■ Clean the surface of the bypass feed roller. ► Maintenance (page 6) ■ Clean the main charger of the photoconductive drum. For details on cleaning, refer to the User's Manual. ■ Clean the PT charger of the primary transfer belt. For details on cleaning, refer to the User's Manual. ■ Clean the laser unit. For details on cleaning, refer to the User's Manual. ■ Execute in "Settings (administrator)" → [System Settings] → [Image Quality Adjustment] → [Collective Adjustment] → [Black Streak Reduction]. To detect black streaks, enable [Display warning message for black streaks detection.]. For more information on the setting, refer to the User's Manual. ? SMUDGES APPEAR ON PRINTED OUTPUT Check ! Solution Are you using paper that is not within the specifications? Are you printing on pre-punched paper? Does a message appear indicating the need for maintenance? Remove the paper, turn it over, and reload it. Using a different paper type may solve the problem. ■ Use SHARP-recommended paper. Using paper that is for other models or special paper that is not supported may result in misfeeds, creases, or smudges. - "SUPPLIES" in Start Guide ■ Take care that the image does not overlap the punch holes. If the printed image overlaps the punch holes, smudges may appear on the reverse side of the paper following 1-sided printing, or on both sides following 2-sided printing. ■ Contact your dealer or nearest SHARP Service Department as soon as possible. ■ This may improve some states of paper curling. ► Placing the original and adding paper (page 5) 17