Toshiba e-STUDIO5540C Service Manual page 342

8.5.32 Low density image (rear side)
1) Confirmation
This phenomenon may occur when a large amount (10 K sheets or more) paper with a high printing
ratio (85% or higher) are being printed continuously.
When the image shown above appeared (the image area approx. 5 cm from the rear end is light or light
diagonal lines appear over the entire image), the developer material in the developer unit may greatly
increase. In this case, take out the developer unit of the same color as the image and then take off the
developer upper unit to check the amount of the developer material on the transport section under the
developer sleeve. If the amount of the developer material is extremely large, scoop up the developer
material with a sheet of paper or similar until the amount becomes proper.
After checking the amount, investigate the following:
If the developer material has greatly increased
(rear side)
Developer material
Fig.8-44
2) Investigating cause / taking measures
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Feeding direction
Fig.8-43
The amount of the developer material is proper
(rear side)
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
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Developer material
Fig.8-45
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