Canon imagePROGRAF GP-4000 - Manual (Page 382)

Replacing the Print Head
If the touch screen indicates to replace the print head or if instructed to do so by your Canon dealer, replace
the print head.
Compatible Print Head
For details on compatible print head, see Print Head .
Precautions When Handling Print Head
Take the following precautions when handling the print head.
Caution
• For safety, keep print head out of the reach of children.
• If ink is accidentally ingested, contact a physician immediately.
• Do not touch the print head immediately after printing. The print head becomes extremely hot, and
there is a risk of burns.
Important
• There may be ink around the nozzles of the print head you remove. Handle the print head carefully
during replacement. The ink may stain clothing.
• Do not open the print head pouch until immediately before installation. After removing the print head
from the pouch, install it right away. If the print head is left as is after the pouch is opened, the
nozzles may dry out, which may affect printing quality.
How to Replace Print Head
Caution
• When replacing the print head immediately after printing, wait a few minutes before replacing it. The
metal parts of the print head become hot during printing, and there is a risk of burns from touching
these parts.
Important
• Your hands may become dirty during print head replacement. Use the gloves provided in the box with
the new print head for replacement.
Note
• Prepare a new ink tank when ink levels are low.
• Prepare a new maintenance cartridge when the remaining capacity of the maintenance cartridge is
low.
1. Remove any paper that has been fed. 1.
• When using a roll, rewind it. •
Removing the Upper Roll from the Printer
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