Moire /Lack Of Sharpness - Toshiba e-STUDIO2330C Service Manual

26.5.5

Moire /lack of sharpness

Moire
Cause/Section Step
Density 1 Check the gradation
reproduction reproduction.
Parameter 2 Check the image
adjustment value processing parameters.
3 Adjust the image
processing parameters.
Printer section 4 Check the printer output
image.
© 2008, 2009 TOSHIBA TEC CORPORATION All rights reserved
A
Fig. 26-4
Check items
Perform the forced performing of
image quality closed-loop control
(05-395) and then automatic
gamma adjustment.
Check the sharpness adjustment
value.
While checking the above
encircled images A and B,
decrease moire by sharpness
adjustment.
Output the test patterns and check
them.
Color: using 04-231 for each color
Black: using 04-113
26 - 129
B
Measures
When defects occur,
perform the
corresponding
troubleshooting
procedures.
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
Remarks
26