Image Quality Analysis Rap - Xerox 3001 Service Manual

lmage Quality Analysis RAP
lmage Quality Specifications
Make one D (Al) size copy on 20 Ib bond paper
(XeroRepro 80 GSM) of Test Pattern 82E5980 in the Copy
Contrast Normal mode (the middle Copy Contrast lamp is
lit).
a. Evaluate the copy and ensure that the copy meets the
lmage Quality Specifications as specified in the lmage
Quality Specifications area of Section 3.
b. If the copy is not t o specification, refer t o the
appropriate Copy Quality (CQ) defect and follow the
procedure t o eliminate any defects.
c. Evaluate the copy for any visual defects.
d. If the copy exhibits any visual defects, refer t o the
appropriate Copy Quality (CQ) defect and follow the
procedure t o eliminate the defects.
Make one D (Al) size copy on 20 Ib bond paper
(XeroRepro
80
GSM) of Test Pattern 82E5980 in each of
the following Copy Contrast modes:
a. Lightest (top Copy Contrast lamp lit)
b. Normal (middle Copy Contrast lamp lit)
c. Darkest (bottom Copy Contrast lamp lit)
Compare the copies for differences i n image darkness. If
t w o or more copies are the same, go t o the CQ 25
Developer Bias RAP.
Go t o the Maintenance Activities located in Section
1.
NOTE: Some o f the copy quality defect samples s t i l l show the
old test pattern. Please disregard which test pattern is
shown. The purpose o f the samples is to show the defect,
and not the test pattern.
lmage Reference Scale 82P5040
lmage Reference Scale, 82P5040, (Figure 1) is used t o evaluate
the amount of background and also image darkness.
25%
I M A G E
R E F E R E N C E SCALE
82E5040
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Figure 1. lmage Reference Scale 82P502
1 2/98
3001 3-5
Image Quality Analysis RAP