6
Maintenance and Troubleshooting
6-17
R4C449
Rev. C
A5 size
CHAP6.FM
12/2/99
Pass 3
R
Proof Sign-off:
tanto name
SEI Y.Takasaki M.Fujimori
leader name M.Fujimori
editor name
SEI M.Kauppi
Document is not positioned
correctly.
Move or angle the document slightly.
Unsharp Mask setting is
selected.
De-select
Unsharp
Mask
for a softer
focus setting.
Colors differs from the original or look strange.
Cause
What to do
Screen is not calibrated.
Calibrate the screen. See Chapter 3.
Image Type and Color
Management settings are
incorrect.
Make sure the
Image Type
(page
4-10) and
Color Management
settings (page 4-11) are correct.
Normal scanning.
Printed colors will not exactly match
the colors on your monitor, since
printers and monitors use different
color systems: monitors use RGB (red,
green, and blue), while printers
typically use CMYK (cyan, magenta,
yellow, and black).
Poor character recognition during OCR scanning.
Cause
What to do
Resolution setting is
unsuitable.
Select a different
Resolution
setting
on the
OCR/Line Art
menu.
Threshold setting is
unsuitable.
Try adjusting the
Threshold
setting
on the
OCR/Line Art
menu.
