Oki 3391 - Manual (Page 7)

Help Guide 1
English
Maintenance
Replacing the Ribbon Cartridge
Note: For the best results, use genuine Oki ribbons.
1. Make sure the printer is turned OFF.
2. Centre the printhead (➊).
Caution! The printhead may be HOT!
4. Unpack the new ribbon cartridge. ➊
3. Remove and discard the used ribbon cartridge.
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