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Calibrating the printer
The HP Color LaserJet 5550 printer automatically calibrates and cleans at various times to
maintain the highest level of print quality. The user may also request the printer to calibrate
via the printer’s control panel, using QUICK CALIBRATE NOW or FULL CALIBRATE NOW
located in the CALIBRATION and PRINT QUALITY menu. QUICK CALIBRATE NOW is
used for color tone calibration and takes about 90 seconds. If color density or tone seems
wrong, Quick Calibration can be run. Full Calibration includes the Quick Calibrate routines
and adds Drum Phase Calibration and Color Plane Registration (CPR). This takes about 3
minutes and 30 seconds. If color layers (cyan, magenta, yellow, black) on the printed page
seem to be shifted from one another, Full Calibration should be run.
The HP Color LaserJet 5550 printer incorporates a new feature to skip calibration when
appropriate, making the printer available more quickly. For example, when the power switch
is turned off, then on again quickly, calibration is not needed and will be skipped. This saves
approximately one minute in time to be ready.
The printer may pause printing while it is calibrating or cleaning. When possible, the printer
will wait for the job to complete before calibrating or cleaning.
1. Press M
ENU
to enter the MENUS.
2. Press
to highlight CONFIGURE DEVICE.
3. Press
to select CONFIGURE DEVICE.
4. Press
to highlight PRINT QUALITY.
5. Press
to select PRINT QUALITY.
6. Press
to highlight QUICK CALIBRATE NOW.
7. Press
to select QUICK CALIBRATE NOW.
OR
To perform a full calibration, use FULL CALIBRATE NOW instead of QUICK CALIBRATE
NOW in steps 6 and 7.
Print quality defect chart
Use the examples in the print quality defect chart to determine which print-quality problem
you are experiencing, and then see the corresponding pages to find information that can
help you troubleshoot the problem. For the latest information and problem-solving
procedures, go to http://www.hp.com/support/clj5550.
Note
The print-quality defect chart assumes the use of letter- or A4-size media that has moved
through the printer long-edge first.
An image with no defects
232 Chapter 8 Problemsolving ENWW