HP color laserjet 4500 Manuale Utente
164 Chapter 9 Image quality
EN
Adjusting color balance
This printer features automatic color calibration to provide high-quality
color output. In situations that require critical color control, you can
manually adjust the density balance of the printer’s four toner colors.
color output. In situations that require critical color control, you can
manually adjust the density balance of the printer’s four toner colors.
CAUTION
This procedure should only be performed by your network
administrator. Performing this procedure changes the color balance
of the printer by altering halftones and affects all print jobs.
administrator. Performing this procedure changes the color balance
of the printer by altering halftones and affects all print jobs.
To adjust color balance
Step 1: Print a color balance calibration page
The color balance calibration page (shown below) displays current color
settings and provides a record of the printer’s initial settings before any
adjustments are made.
settings and provides a record of the printer’s initial settings before any
adjustments are made.
1 Press
M
ENU
until
CALIBRATION MENU
displays.
2 Press
I
TEM
until
PRINT CALIBRATION PAGE
displays.
3 Press
S
ELECT
to print the color balance calibration page. The page
consists of four color bars (cyan, magenta, yellow, and black) and a
box containing gray balance circles. The factory default setting for
each color is zero. The range of settings is -5 to +5.
box containing gray balance circles. The factory default setting for
each color is zero. The range of settings is -5 to +5.
Note
Adjusting densities using the four color bars provides coarse color
balance adjustments. After making these adjustments, you can
fine-tune color densities by adjusting the gray balance. (See step 7
for instructions.)
balance adjustments. After making these adjustments, you can
fine-tune color densities by adjusting the gray balance. (See step 7
for instructions.)