Ess Generated Test Patterns; Pq Set; Test Pattern A - Xerox DocuPrint C55 Service Manual

TEST PATTERNS
This section contains descriptions of the ESS and IOT
generated test patterns.

ESS GENERATED TEST PATTERNS.

The ESS contains several internally generated test
patterns to assist in diagnosing image quality problems.
These test patterns are accessed using the Off Line
Diagnostics Menu. A description of the internal test
patterns is provided below.

PQ SET

The Print Quality Set (PQ Set) consists of three test
patterns and are printed in sequence. They are:

• Test Pattern A

• The Density and Color Balance Test Pattern
• Diagnostic Test Pattern.
Test Pattern A.
This pattern produces an image of varying densities and
colors, and assists the user in identifying a variety of
image quality defects, including; mottle, streaks, density
problems, deletions, and banding.
defects are referred to as cosmetic defects.
DocuPrint C55/C55mp/[NC60]
These types of
8 mm
c gogo c gogo
c gogo c gogo
c gogo c gogo
c gogo c gogo
Test Pattern A 600 × 600
Test Pattern A 600 × 600
Abc Defg Hijk
Abc Defg Hijk Lmnop
Qrstuvw XYZ
123456789
Abc Defg Hijk Lmnop
Qrstuvw XYZ 123456789
C gogo
261 mm
2/99
3-19
c gogo c gogo
c gogo c gogo
c gogo c gogo
c gogo c gogo
C gogo C gogo C gogo
C gogo C gogo C gogo
IMAGE QUALITY SPECIFICATIONS
TEST PATTERNS