Canon imagePROGRAF PRO-6600 Online Manual page 535

Removing Sheets
2. 2. Clean inside top cover.
Cleaning Inside the Top Cover
3. 3. Select Maintenance on HOME screen.
4. 4. Select Head Replacement.
5. Select Start head replacement.. 5.
Ink begins being drawn in. When it finishes, instructions for the print head replacement procedure
appear on the touch screen.
It takes about 3 to 4 minutes for ink to be drawn into the system and remove ink from the print head.
6. 6. Open top cover.
7. 7. If the print head locking cover and print head lock lever are dirty, use a damp cloth that
you have wrung out completely to wipe them clean.
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