Oce CS2436 User Manual page 617

Maintenance (CS2436-10)
2.
Open the pouch and remove the Ink Tank.
Caution
3.
Press the OK button and insert the Ink Tank into the holder facing as shown, with the ink
holes down.
Important
4.
Push the Ink Tank Lock Lever closed until it clicks into place.
Never touch the ink holes or electrical contacts. This may cause
stains, damage the Ink Tank, and affect printing quality.
Ink tanks cannot be loaded in the holder if the color or orientation is
incorrect.
If the Ink Tank does not fit in the holder, do not force it into the
holder. Make sure the color of the Ink Tank Lock Lever matches the
color of the Ink Tank and check the orientation of the Ink Tank before
reloading it.