Oce CS2436 User Manual page 633

Maintenance (CS2436-10)
8.
With the nozzles facing down and the metal contacts toward the back, insert the Printhead
into the Carriage. Carefully push the printhead firmly into the Carriage, ensuring that the
nozzles and metal contacts do not touch the carriage.
9.
Pull the Printhead Fixer Cover down toward the front to lock the Printhead in place.
10.
Push the Printhead Fixer Lever toward the back of the printer until it clicks.
11.
Close the Top Cover.