Canon imagePROGRAF iPF750 MFP M40 - Manual (Page 771)

When to Replace the Maintenance Cartridge
Replace or prepare to replace the Maintenance Cartridge in the following situations.
If a message for checking the Maintenance Cartridge is shown on the Display Screen
When the Maintenance Cartridge is almost full, the Message Lamp is lit and "The level is low" is shown on the Display
Screen. You can continue to print, but check the remaining Maintenance Cartridge capacity and prepare to replace the
Maintenance Cartridge with a new one. (See "Checking the Remaining Maintenance Cartridge Capacity.")
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When much of the Maintenance Cartridge capacity is depleted
Printhead cleaning, Printhead replacement, and preparations to transfer the printer deplete much of the Maintenance Car-
tridge capacity. (In particular, preparing to move the printer depletes a lot of the capacity.)
Check the remaining Maintenance Cartridge capacity before this maintenance and replace the Maintenance Cartridge if nec-
essary.
If a message for the Maintenance Cartridge replacement is shown on the Display Screen
When the Maintenance Cartridge is full, the Message Lamp flashes and a message to replace the Maintenance Cartridge is
shown on the Display Screen. Printing is disabled, and you cannot replace the Printhead or transfer the printer. Replace the
Maintenance Cartridge with a new one.
Maintenance and Consumables > Maintenance Cartridge >
iPF750 When to Replace the Maintenance Cartridge
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