Troubleshooting For The Image - Toshiba e-studio600 Service Manual

5.2

Troubleshooting for the Image

If any abnormal image occurs in the test copying, perform trouble shooting for the image.
1) Abnormality of image density / Gray balance
Defective area
Density/Gray balance
Printer section
Scanner
Printed image
e-STUDIO520/600/720/850 TROUBLESHOOTING
Image density
Step Check items
1 Check the density/gray balance.
2 Check test print image (04-113).
3 Are the original glass, mirrors and
lens dirty?
4 Is the image faded?
5 Is background fogging occurring?
6 Is there a blotch on the image?
7 Is the image transferred normally?
Gray balance
Fig.5-1
Adjust the density.
Go to step 4 if there is any problem
on image.
Clean them.
Perform troubleshooting for faded
image.
Perform troubleshooting for back-
ground fogging.
Perform troubleshooting for blotched
image.
Perform troubleshooting for abnor-
mal transfer.
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Prescription
March 2005 © TOSHIBA TEC