The maximum banner print length is 708 inches or 18 meters in length.

Benchmark results testing conditions:
OS Windows 2000SP4, Driver setting Default setting, Application Photoshop 6
Image used, For W6400: ISO JIS SCID No. 5 Chart enlarged to 580x725mm, For W8400: ISO JIS SCID No. 5 Chart enlarged to 827x1033mm

Canon is continuously adding new media types in response to feedback from our customers. In some cases the new media type may not be listed in the control panel or driver settings for your machine. To assist you, we have provided recommended media settings for your Canon Media in the Large Format Media Guide.

Canon ICC profiles for the PhotoPrint SELECT bundled software is available in the DOWNLOAD LIBRARY.

Canon recommends that you use only Canon branded media to ensure high quality prints. A list of the current media can be found in the Large Format Media Guide available on the Download Library page.

You must have ink in all ink tanks to prevent damage to the printhead. The printer has a built-in protection system that determines if you are low or out of any ink in any of your tanks. This system will prevent the printer from printing if any ink tank is out of ink.

Follow the procedure listed in your Operator Manuals (W6400 Chapter 2 p.2-34 and W8400 Chapter 2 p.2.37) or you can download the Operator Manuals from the DOWNLOAD LIBRARY.

All fixed sizes from poster 44 x 62 inch to photo 8 x 10, and user-defined paper sizes from 203.2 x 203.2 mm to 1117.6 x 1600 mm.

Canon USA does not recommend the use of inks or paper manufactured by third parties with these products. We have not tested any third party inks or paper and would not be able to comment on their quality. Canon genuine inks and paper are formulated specifically for use in our ultra-precise print head, which contains high-density inkjet nozzles approximately one-fifth the diameter of a human hair. Our print head and inks work together as a precisely engineered system to obtain optimum image quality, print speed and reliability in high-resolution text and color printing applications. You can purchase Canon genuine supplies and accessories by contacting your local Canon reseller. See Where to Buy.

Please be advised that the Canon USA Limited Warranty for the imagePROGRAF W6400 and W8400 states in relevant part:
THIS WARRANTY SHALL BE VOID AND OF NO FORCE AND EFFECT IF THE PRODUCT IS DAMAGED AS A RESULT OF...(B) IMPROPER USE, INCLUDING FAILURE TO FOLLOW OPERATING OR MAINTENANCE INSTRUCTIONS...(D) USE OF SUPPLIES OR PARTS (OTHER THAN THOSE DISTRIBUTED BY CANON) WHICH DAMAGE THE PRODUCT OR CAUSE ABNORMALLY FREQUENT SERVICE CALLS OR SERVICE PROBLEMS.

Canon ink tanks are not designed to be refilled. Canon does not recommend the use of inks manufactured by third parties in Canon Products. We have not tested any third party inks and would not be able to comment on their quality. Canon genuine inks are formulated specifically for use in our ultra-precise print head, which contains high-density inkjet nozzles, approximately one-fifth the diameter of a human hair. Our print head and inks work together as a precisely engineered system to support optimum image quality, print speed and reliability in higher resolution text and color printing applications.

Please be advised that the Canon USA Limited Warranty for the imagePROGRAF W6400 and W8400 states in relevant part:
THIS WARRANTY SHALL BE VOID AND OF NO FORCE AND EFFECT IF THE PRODUCT IS DAMAGED AS A RESULT OF...(B) IMPROPER USE, INCLUDING FAILURE TO FOLLOW OPERATING OR MAINTENANCE INSTRUCTIONS...(D) USE OF SUPPLIES OR PARTS (OTHER THAN THOSE DISTRIBUTED BY CANON) WHICH DAMAGE THE PRODUCT OR CAUSE ABNORMALLY FREQUENT SERVICE CALLS OR SERVICE PROBLEMS.

You can purchase Canon supplies and accessories by contacting your local Canon reseller.
CLICK HERE for a list of dealers in your area.

This is a warning message letting you know that you will need to replace the Maintenance Cartridge soon. The message normally appears when the Maintenance Cartridge is 80% or more full and will remain in the display until the maintenance cartridge is replaced. The Maintenance Cartridge is a consumable and can be purchased at the same location where purchase your ink tanks. See Where to Buy.

There are several factors that can improve your print quality. If your colors do not appear to be correct print a nozzle test through the control panel of your printer to ensure all colors are being printed. If there is a color-missing try performing a Head Cleaning B as described in your manual. If the colors do not improve on the nozzle test you may have to replace an ink tank or the printhead.

• Nozzle test
• Cleaning
• Head alignment
• Media type and settings
• ICC profile
• Application settings
  

If you transport the machine to other building, (in case of machine is needed to be tilted or expose to vivration) we recommended that ink removal procedure prior to moving. Please follow steps below:
1. Go into Main Menu pushing On line key several times.
2. Maintenance > Move Printer > Yes
3. Turn main switch off.
4. Attach Belt stoppers [1] to secure the carriage at the carriage home position so that the carriage does not become separated from the lock arm. This will prevent damage and ink leakage during transportation.

If you do not need tilt the machine (such as moving to same floor), the ink removal procedure may not be necessary. In that case, just implement step 4 to prevent machine damage.