Toshiba E-studio2555c Troubleshooting Manual page 75

2.TROUBLESHOOTING FOR COPYING
Problem Description
Copied image is blurred.
Copied image has unevenness in
the horizontal direction.
Copied image has black streaks
in the horizontal direction.
Copied image has white streaks
or color streaks in the horizontal
direction.
A color original is copied in black
and white even if [AUTO
COLOR] is selected for the color
mode.
A black-and-white original is
copied in color even if [AUTO
COLOR] is selected for the color
mode.
Cause
There is a gap between the original
glass and the original.
The copy paper is damp.
The main charger is stained.
The scanning area or guides are
stained.
The LED print head is stained.
Some color originals may be copied
in black and white:
 Originals with very little colored
part
 Overall blackish originals
 Originals in light color
Some black and white originals may
be copied in color:
 Yellowed originals
 Originals with background color
2 TROUBLESHOOTING FOR COPYING
Corrective Action
Lower the Original Cover or the Reversing Automatic
Document Feeder fully so that the original fully contacts
the platen glass.
Replace it with dry copy paper.
Clean the main charger.
 P.65 "Cleaning the Main Chargers and LED Print
Heads"
Clean them.
 P.120 "Regular Maintenance"
Clean the LED print head.
 P.65 "Cleaning the Main Chargers and LED Print
Heads"
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.
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.
Copying Problems 73