Canon IMAGERUNNER C2550 Printer Manual page 238

Thin lines and fine characters bleed.
Cause
Remedy 1 Adjust the color in the software application you are using and print the data
Remedy 2 Use thicker lines or fonts and print the data again.
Remedy 3 Set 'Halftones' in the printer driver to [Error Diffusion] or [Resolution] and print
NOTE
You can also perform the same procedure from the touch panel display. (See
"Halftones," on p. 3-46, p. 3-59, p. 3-75, p. 3-81, p. 3-96.)
Remedy 4 If you are using Illustrator 8.0 or higher, set Bitmap Print to [Off] (uncheck the
Remedy 5 Enable 'Prioritize Printing of Lines and Text' in the Windows PS printer driver or
6
NOTE
To perform the same setting from the touch panel display, set 'Output Profile' to [TR
Normal] or [TR Photo]. (See "Output Profile," on p. 3-69.)
6-22
Printing Problems
The specified thin lines and fine characters cannot be processed properly.
again.
the data again. (See the Help function on the printer driver.)
check box) and print the data again. (Windows only)
Mac PS printer driver, and print the data again. (See the Help function on the
PS printer driver.)