Oce CS2436 User Manual page 862

Error Message (CS2436-12)
12. 8. 5.
Error Message > Other Messages >
Prepare for parts replacement.
Cause
It is almost time to replace
consumables for which service is
required.
Corrective Action
You can continue to use the printer
for some time until "Parts
replacement time has passed."
will be displayed.
Contact your Océ dealer for
assistance.