Canon imagePROGRAF iPF6400SE User Manual page 552

When to Replace the Maintenance Cartridge
iPF6400SE
Check the remaining Maintenance Cartridge capacity before this maintenance and replace the Maintenance Car-
tridge if necessary.
If a message for the Maintenance Cartridge replacement is shown on the Display Screen
When the Maintenance Cartridge is almost empty, the Message Lamp lights, a message to replace the Mainte-
nance Cartridge is displayed on the Display Screen, and you cannot print. Replace the Maintenance Cartridge with
a new one.
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User's Guide