Image Quality Analysis Rap - Xerox 2510 Service Manual

Image Quality Definitions Image Quality Analysis RAP 2. Make one
D
( ~ 1 ) size copy on 20 Ib bond
(Continued)
paper of Test Pattern 82E5980 in each of
the following Copy Contrast modes:
1. Make one D ( A l ) size copy on 20 Ib bond
Spots
paper of Test Pattern 82E5980 in the Copy
a. Lightest (top Copy Contrast lamp lit)
These are defects which are 0.2 inches (Smm)
Contrast Normal mode (the middle Copy
b.
Normal (middle Copy Contrast lamp
or smaller
in
diameter.
Contrast lamp
is
lit).
lit)
Streak
Any copy defect that occurs in the process
direction (from lead edge to trail edge).
b.
Unfused Copy
A copy in which the image can easily be wiped
off the media. The image has not adhered to
the media. c.
Vertical Line Distortion
d.
The image in the copy direction is longer or
shorter than the image on the document.
Evaluate the copy and ensure that the
copy meets the lmage Quality
Specifications
as
specified
in
the lmage
Quality Specifications area of Section
3.
If the copy is not to specification, refer
to the appropriate Copy Quality (CQ)
defect and follow the procedure to
eliminate any defects.
Evaluate the copy for any visual
defects.
If the copy exhibits any visual defects,
refer to the appropriate Copy Quality
(CQ) defect and follow the procedure
to eliminate the defects.
c.
Darkest (bottom Copy Contrast lamp
lit)
3.
Compare the copies for differences in
image darkness. If two or more copies are
the same, go to the CQ 25 Developer Bias
RAP.
4. Go to the Maintenance Activities located
in Section
1.
I
NOTE: Some
of the copy quality defect
a
samples stillshow the old test pattern.
Please disregard which test pattern is
shown,
The
purpose
of
the samples
is to
show the defect, and not the test pattern.
lmage Quality Definitions