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Print-Quality Problems
Phaser® 7750 Color Laser Printer
4-27
Procedure:
1. At the printer’s front panel, select Printer Setup, select Calibration Setup, select
Calibrate Colors, then select Lighten/Darken Colors.
The Color Reference Page prints. Use this page to evaluate the lightness/darkness of the
image. The printer's current lightness level is displayed on the page.
a. Select Lightness Level, then press the OK button.
b. Press the Up Arrow or Down Arrow button to change the value from -5 (lightest) to
5 (darkest), then press the OK button. The Color Reference Page automatically prints
using the new lightness level.
c. Repeat Steps a and b until you achieve the desired result.
2. To complete the procedure, select one of the following options:
■ Accept Changes: Saves the new lightness level then returns to the Calibrate Colors
menu.
■ Discard Changes: Returns to the Calibrate Colors menu without saving any
changes.
Balance Colors
There are three methods for balancing colors to prevent a primary color (cyan, magenta, or
yellow) from overpowering the other colors:
■ PhaserMatch and PhaserCal Software: Provides the most accurate color balance
adjustment by using instrument-based measurements. If using PhaserMatch/PhaserCal
software, it is not necessary to perform either the Basic Color Balance or Advanced Color
Balance procedures.
■ Basic Color Balance: Provides a color balance adjustment that is appropriate for most
printing needs. Twelve basic, visual evaluations are made to adjust the darkness of three
shades of each toner color independently.
■ Advanced Color Balance: Provides a finer color balance adjustment than the Basic Color
Balance procedure. Two or more advanced visual evaluations are made to ensure that
equal mixtures of the primary colors produce a neutral gray.
PhaserMatch and PhaserCal Software
PhaserMatch Color Management and PhaserCal Color Calibration software provide
instrument-based color calibration tools. These applications use spectrophotometer or scanner
measurements to achieve optimum calibration of your Phaser 7750 printer.
PhaserCal software can be used with any Phaser 7750 Color Laser Printer and is supplied with
Phaser 7750DN, 7750GX, and 7750DXF configurations. For more information on
PhaserMatch and PhaserCal software, go to www.xerox.com/office/infoSMART
. To order
PhaserCal software, go to www.xerox.com/office/7750supplies
.