ML1120/ML1190 User’s Guide - Consumables and accessories > 79
coNsumables aNd accessories
coNsumables
When the printed image becomes faint or incomplete, replace the ribbon 
cartridge.
chaNgiNg a ribboN cartridge
CAUTION!
Only use genuine Oki Original consumables to ensure the 
best quality and performance from your hardware. Non-Oki 
Original products may damage your printer's performance and 
invalidate your warranty.
WARNING!
Do not change the ribbon cartridge with the Power Switch set 
to ON.
1.  Set the Power Switch to OFF.
2.  Set the Paper Thickness lever to Replace Ribbon (position 6).
3.  Remove the Top Cover.