206 Chapter 6 Print Quality
Print Quality
• If necessary, try changing to a non-paper-based material such as transparent film
Smears or scratches on the front of glossy paper
Glossy paper may be extremely sensitive to the bin or to anything else that it contacts soon after printing.
This will depend on the amount of ink printed and the environmental conditions at the time of printing.
Avoid any contact with the paper surface and handle the print with care.
Ink marks on the back of the paper
Ink residues on the platen or on the input rollers are likely to mark the back of the paper.
Colors are inaccurate
Refer to this section if the customer complains of inaccurate colors which do not match their expectations.
Upgrade the Firmware
To ensure that the image quality and color troubleshooting tools that are available in the printer are the
most up to date, check that the firmware is the latest available.
Basic image quality troubleshooting
As a first step to improving the accuracy of the color ensure that the basic image quality of the printer is
good. Good all round image quality is a pre-requisite to acheiving color accuracy and color consistency.
1. Refer to the steps in “Initial Print Quality Troubleshooting Actions” on page 180.
2. Perform the Color Calibration Procedure via the Front Panel: Image Quality Maintenance>
Calibrate Color.
3. Ensure the media being used has an ICC color profile created. This can be done by using the HP
Color Center to select Create and Install an ICC Profile.
4. Perform the Image Quality diagnostic procedures, refer to page 181.
Checking the Spectrophotometer
If none of the above solutions fix the problem and the customer notices a slight degradation of color over
time perform the following steps:
1. Perform the
• Spectrophotometer Test, refer to page 148 for details (firmware 6.0.0.9 or greater). This tests
the Spectrophotometer’s ability to function within predefined color specifications.
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