Printer User Manual

Print-Quality Problems
Phaser® 7750 Color Laser Printer
4-24
Solid Fills Appear Mottled or Blotchy
Blacks Appear Blue
Verify that the paper type currently loaded in the
tray from which you are printing matches the:
■ Correct type for the printer and is properly
loaded. For information on supported paper
types and weights, at the printer’s front panel,
select Information, select Information
Pages, then select Paper Tips Page.
■ Paper type selected on the printer’s front
panel, and in the printer driver.
If the problem continues, adjust the toner transfer
setting for the paper type being used:
1. Insert paper into Tray 1 (MPT).
The printer’s front panel prompts you to
confirm or change the paper type.
2. At the printer’s front panel, do one of the
following:
■ Press the OK button to confirm the paper
type. Proceed to Step 3.
■ Follow these steps:
a. Select Change to change the paper
type, then press the OK button.
b. Press the Up Arrow or Down Arrow
button to scroll the correct paper type,
then press the OK button.
c. Press the Up Arrow or Down Arrow
button to scroll to the correct paper
size, then press the OK button.
d. Proceed to Step 3.
3. Select Printer Setup, select Calibration
Setup, select Calibrate for Paper, then
select Calibrate for Paper Pages.
4. Follow the instructions on the Calibrate for
Paper Pages to adjust the toner transfer
setting.
Diagnosing Print-Quality Problems (Continued)