If the transmission stamp becomes faint, replace the cartridge.
This stamp cartridge is used for facsimile and scanner functions.
Do not add ink to the cartridge by yourself. Neglecting this can cause ink leakage.
Be sure not to dirty your fingers with ink from the cartridge.
Use the cartridge specified for this machine.
Lift the ADF.
Open the stamp cover.
Pull out the old stamp cartridge.
Insert the new stamp cartridge.
Insert the cartridge until the metal parts are no longer visible.
Close the stamp cover.
Lower the ADF.