Canon PRO-500 Series Online Manual page 638

• If problem is not resolved after performing print head deep cleaning:
Perform system cleaning manually.
If the problem is not resolved after performing the system cleaning manually, perform the print head deep
cleaning after 24 hours later. If the problem is not resolved yet, the print head may be damaged. Contact
your nearest Canon service center to request a repair.
Note
• If you use the printer in the highlands, the blurs and the streaks may appear on the print result at
regular intervals (about 2 to 3 months) by barometric effects. To prevent blur and streak, set System
cleaning frequency to Short on the printer's operation panel.
System cleaning consumes many ink. Set System cleaning frequency to Short if necessary.
Perform print head alignment.
Check3
Aligning the Print Head
Note
• If the problem is not resolved after performing the print head alignment, perform print head alignment
manually. See Aligning the Print Head
Make sure clear coating area setting.
Check4
• For Windows:
On Main sheet, select Manual for Color/Intensity, and then click Set....
If Clear Coating Area in Clear Coating sheet of the printer driver is set to Auto, Clear Coating may have
an unexpected effect on the printing result depending on the image.
In this case, set Clear Coating Area to Overall.
Changing the Clear Coating Settings
• For Mac OS:
If Clear Coating Area in Paper Detailed Settings in the Print dialog is set to Auto, Clear Coating may
have an unexpected effect on the printing result depending on the image.
In this case, set Clear Coating Area to Overall.
Changing the Clear Coating Settings
Manually.
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