Oki POS 425S - Manual (Page 44)

44 OKIPOS 425S
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3. Maintenance
3.1 Replacing the Ribbon Cartridge
When printing becomes light, replace the Ribbon Cartridge, following the procedure shown below:
1. Make sure the printer is turned OFF.
2. Press the Cover open bar and open the printer cover.
o425_03.jpg and o425_04.jpg
3. Center the printhead.
o425_06a.jpg