Kyocera TASKalfa 2551ci Operation Manual page 451

Troubleshooting > Troubleshooting
Symptom
Colors appear different than
you anticipated.
Perform Tone Curve
Adjustment in the System
Menu. is displayed.
The color toner is empty.
Cannot create Searchable
PDF file.
Cannot search a text that
you want to search on the
PDF file.
Checkpoints
Did you choose appropriate image
quality for the original?
Have you loaded color copy paper into
the paper tray?
―
―
―
Over long periods of use, the effects of
the ambient temperature and humidity
can cause color output hues to vary
slightly.
Do you want to continue printing in black
and white?
Is the proper language selected?
Can the texts on the original not be
recognized as texts, or is the PDF
creation time taken?
Have you set [OCR Text Recognition] in
[File Format]?
Are the texts of the scanned original
fainted or too light?
Is the background of the scanned
original too dark and the texts are
difficult to recognize?
Is the text or image on the back of the
original visible on the front?
Corrective Actions
Select appropriate image quality.
Load color copy paper into the paper
tray.
Run [Calibration].
Run [Tone Curve Adjustment].
When making copies
Adjust the color balance.
When printing from a computer
Adjust the color using the printer driver.
Run [Tone Curve Adjustment].
If the black toner is remained, the
machine continues printing in black and
white by selecting [Print in Black and
White] of [Color Toner Empty Action].
Check the language to extract.
Check the following:
• The original orientation is correct.
• When setting the originals with the
mixed orientation at once, [On] is
selected for [Auto Image Rotation].
Set [OCR Text Recognition] in [File
Format].
Set [Density] to darker level.
Set [Background Density Adj.] to [On] or
[Manual] and manually adjust the
density lighter. Otherwise, set [Density]
to darker level.
Set [Prevent Bleed-through] to [On].
10-17
Reference
Page
page 6-23
page 3-16
page 10-34
page 10-33
page 6-25
Refer to the
Printer
Driver User
Guide.
page 10-33
page 8-16
page 6-65
page 6-65
page 6-65
page 6-21
page 6-21
page 6-29
page 6-30