Sharp MX-4071 User Manual FAQ - Color Advanced & Essential Series 2 - Page 17

Lines Appear In The Image, Smudges Appear On Printed Output

Page 17 highlights

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

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17
General Problems
LINES APPEAR IN THE IMAGE
Check
Solution
Are the scanning areas of the
document glass or automatic
document feeder dirty?
Clean the scanning areas of the document glass or automatic document feeder.
Maintenance (page 6)
Is the bypass feed roller dirty?
Clean the surface of the bypass feed roller.
Maintenance (page 6)
Did you clean the main charger of the
photoconductive drum?
Clean the main charger of the photoconductive drum. For details on cleaning,
refer to the User's Manual.
Did you clean the PT charger of the
primary transfer belt?
Clean the PT charger of the primary transfer belt. For details on cleaning, refer to
the User's Manual.
Did you clean the laser unit?
Clean the laser unit. For details on cleaning, refer to the User's Manual.
Did you execute Black Streak
Reduction of system setting?
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?
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
Are you printing on pre-punched
paper?
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.
Does a message appear indicating the
need for maintenance?
Contact your dealer or nearest SHARP Service Department as soon as possible.
Remove the paper, turn it over, and
reload it. Using a different paper type
may solve the problem.
This may improve some states of paper curling.
Placing the original and adding paper (page 5)
?
!
?
!