TA Triumph-Adler P-4030 MFP User Manual
Page 336

10-11
Troubleshooting > Troubleshooting
Copies have a moire pattern
(dots grouped together in
patterns and not aligned
uniformly).
Is the original a printed photograph?
Set the original image to [Photo].
page 6-11
Texts are not clearly printed. Did you choose appropriate image
quality for the original?
Select appropriate image quality.
page 6-11
Black or color dots appear on
the white background when
white original is scanned.
Is the inside of the document processor
or the glass platen dirty?
Clean the inside of the document
processor or the glass platen.
Printouts have vertical lines.
Is the slit glass dirty?
Clean the slit glass.
Printouts are fuzzy.
Is the machine being used in conditions
of very humid, or humidity or
temperature rapidly changes?
Use in an environment that has suitable
humidity.
―
―
Press the [
System Menu/Counter
] key,
[Adjustment/Maintenance], [Service
Setting], [Drum Refresh], and then press
[Yes].
―
Images are skewed.
Are the originals loaded correctly?
When placing originals on the platen, align
them with the original size indicator plates.
page 5-2
When placing originals in the document
processor, align the original width guides
securely before placing the originals.
page 5-3
Is the paper loaded correctly?
Check the position of the paper width
guides.
page 3-14
page 3-18
Symptom
Checkpoints
Corrective Actions
Reference
Page