Fujitsu fi-4120C Operator's Manual page 99

The following message sometimes appears when the scanner is
being used:
Replace consumables when this message is displayed.
I I I I
When Replacing Consumables Immediately
72 6.1 Consumable and Replacement Cycle
1) Mark the "This message not display again" checkbox.
Note that when the "This message not display again"
checkbox is marked, this message is not displayed until
the consumables counter is reset.
2) To replace consumables after scanning of all current
document sheets is finished, click the [Ignore] button.
To discontinue scanning, and replace the consumables
immediately, click the [Cancel] button.
3) Replace the consumables. For details on how to replace
consumables, see "6.2 Replacing the Pad ASY" and
"6.3 Replacing the Pick Roller."