3. Maintain the room at a steady temperature between 10 and 30°C (50 and 86°F).
4. Load the roll of lm and let it rest for ve minutes before printing.
5. If you are still not satised, try recalibrating the paper advance. See Recalibrate the paper advance
on page 132.
The Image Diagnostics Print
The Image Diagnostics Print consists of patterns designed to highlight printhead reliability problems. It helps
you to check the performance of the printheads that are currently installed in your printer, and whether any
printhead
suers from clogging or other problems.
To print the Image Diagnostics Print:
1. Use the same paper type that you were using when you detected a problem.
2. Check that the selected paper type is the same as the paper type loaded into the printer. See View
information about the paper on page 42.
3.
At the printer's front panel, press , then , then select Image-quality maintenance > Print
diagnostic image
.
It takes about two minutes to print the Image Diagnostics Print.
The print is divided into two parts, both of which test printhead performance.
●
Part 1 (top) consists of rectangles of pure colors, one for each printhead. This part represents the print
quality that you will get from each color.
●
Part 2 (bottom) consists of small dashes, one for each nozzle on each printhead. This part complements
the rst, and aims more specically to detect how many faulty nozzles each printhead has.
Look carefully at the print. The names of the colors are shown above the rectangles and in the center of the
patterns of dashes.
146 Chapter 17 Troubleshooting print-quality issues ENWW
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