Operating instructions

102
If You Cannot Make Copies as You Want
Action
Set the originals correctly.
☛ See page 15, 16 or 17.
Select the proper paper size.
Select the proper reproduction
ratio.
Select Auto Text/Photo mode or
Photo mode. ☛ See page 31.
Place the original on the expo-
sure glass (platen glass) at a
slight angle.
Adjust the sharpness of the im-
age. ☛ See page 91.
Adjust the Color Balance.
☛ See page 88.
Perform the Auto Color Calibra–
tion.
☛ See page 132.
Perform Auto Color Calibration.
☛ See page 132.
If you cannot correct the prob-
lem by performing Auto Color
Calibration, contact your service
representative.
Adjust the Auto Separation Sen-
sitivity Level to a “Text” level.
☛ See page 92.
Adjust the Auto Separation Sen-
sitivity Level to a “Photo” level.
☛ See page 92.
Adjust the A.C.S. Sensitivity
Level to a “Full Color” level.
☛ See page 92.
Select Black Copy mode.
☛ See page 28.
Adjust the A.C.S. Sensitivity
Level to a “B&W” level.
☛ See page 92.
Cause
The original is not set correctly.
An improper paper size is se-
lected.
The selected reproduction ratio
does not match the paper size.
The Text mode is selected.
The line images of the original
might be overlapped each other.
The color balance is not set
properly.
Unsuitable color setting.
An original has screen letters or
low density letters.
An original has a high contrast
photo.
An original has a photo having
sequence thin lines with regular
thin spaces.
There are small or thin color
parts.
The machine might detect some
black and white screen images
(such as from newspaper) as a
full color original.
Problem
Copies are blank or parts of the
image are not copied.
A moire pattern is produced on
copies as shown in the illustra-
tion.
Color tone of copies is different
from that of originals.
Color tone of copies is com-
pletely different from that of
originals.
Letter parts and photo parts of
an original are not separated
correctly.
Color parts of an original are
copied in black in Auto Color Se-
lection mode.
Non-color parts of an original
are copied in color in Auto Color
Selection mode.
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