Oki ES9465, Troubleshooting Manual

Page: 75 / 126

2.TROUBLESHOOTING FOR COPYING
Copying Problems 73
2 TROUBLESHOOTING FOR COPYING
Copied image has unevenness in
the horizontal direction. The main charger is stained. Clean the main charger.
P.64 “Cleaning the Main Chargers and LED Print
Heads”
Copied image has black streaks
in the horizontal direction. The scanning area or guides are
stained. Clean them.
P.120 “Regular Maintenance”
Copied image has white streaks
or color streaks in the horizontal
direction. The LED print head is stained. Clean the LED print head.
P.64 “Cleaning the Main Chargers and LED Print
Heads”
A color original is copied in black
and white even if [AUTO
COLOR] is selected for the color
mode. Some color originals may be copied
in black and white:
y Originals with very little colored
part
y Overall blackish originals
y Originals in light color
Set the color mode to [FULL COLOR].
You can change the criterion for determining whether an
original is black and white or color.
For further information, refer to the
MFP Management
Guide .
A black-and-white original is
copied in color even if [AUTO
COLOR] is selected for the color
mode. Some black and white originals may
be copied in color:
y Yellowed originals
y Originals with background color
Set the color mode to [BLACK].
You can change the criterion for determining whether an
original is black and white or color.
For further information, refer to the
MFP Management
Guide .
Problem Description Cause Corrective Action