Analyzing Test Prints - Xerox Phaser 4500 Service Manual

Analyzing Test Prints

Phaser 4500/4510 Service Manual
The test print shown on page 5-5 is used to evaluate and ensure that the
printed image meets the printer specifications. To make the test print:
1. From the main menu, scroll to Troubleshooting, then press the OK
button.
2. Scroll to
3. Scroll to
Note
Ensure that Edge-to-Edge printing is set to Off in the Job Defaults Menu
before starting the test print. Otherwise, the image is shifted left.
Print-Quality Defect Definitions
The Test Print (shown on page 5-5) is used to evaluate each of the print-
quality parameters. Each area of the test pattern is used for a print-quality
parameter. The Test Print analysis procedures explain each of the areas and
the print-quality parameters. Further assistance in evaluating image-quality
problems is available in the
Quality Problems
contain detailed explanations of print-quality and image-quality problems
along with possible causes and solutions for the problems.
Print-Quality Defect Definitions
Defect Definitions
LIGHT PRINTS: The overall image density is too light.
BLANK PRINTS: Prints with no visible image.
BLACK PRINTS: The print is completely covered with toner and has no
visible image.
VERTICAL DELETIONS: There are areas of the image that are extremely
light or missing entirely. These areas run vertically along the page in the
direction of paper movement.
HORIZONTAL DELETIONS: There are areas of the image that are
extremely light or missing entirely. These areas run horizontally across
the page in the direction of scanning.
VERTICAL STREAKS: Extraneous dark lines/bands in the process
direction.
HORIZONTAL STREAKS: Extraneous dark lines/bands in the direction
of scan.
SPOTS: There are spots of toner on the page.
UNFUSED IMAGE: Part of or all of the image is unfused. Refer to the
specification.
DAMAGED PRINTS: Creases, wrinkles, excessive curl, cuts, folds or
embossed marks.
Print Quality Problems, then press the OK button.
Test Prints, then press the OK button.
Troubleshooting Print Quality Page
section of the Troubleshooting
Print-Quality Troubleshooting
in the Print
menu. These pages
Go To:
page 5-15
page 5-17
page 5-19
page 5-20
page 5-22
page 5-25
page 5-27
page 5-12
page 5-31
page 5-34
5-3