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Phaser 740 and 740L Laser Printers
4
Troubleshooting Print quality problems
Black-and-white prints
instead of color In the front panel’s Printer Defaults menu, check the default setting for Print
Mode. If it is set to Black Only, change the setting to Color.
If your printer is a Phaser 740L printer (check the nameplate on the front of the printer), it
will only print in black and white until you add color with the 740LCS Color Kit.
Print shows a single color (
a
)
that is not uniform
or
Print shows a single color (
b
)
with many vertical streaks
(both light and dark) of
slightly different density and
non-uniform color.
Replace the color Toner Cartridge.
Print appears faded in a
single color. Check the density setting: From the front panel, access the Calibrate Colors menu
and print the Color Reference Page. Compare the settings to the examples on the

Color

Density Samples

and, if necessary, adjust the density in the front panel. Refer to
page 119.
Replace the color Toner Cartridge soon (depending on the complexity of your prints, you
can continue to print up to 100 more pages).
A single color has a wide,
light, vertical streak. Replace the color Toner Cartridge.
a
b