18. When the optional PFU tray heater will be installed: Pull out the connector [A] and its
harness to the lower part of the machine. Then uncap the connector isolation cap in the
optional PFU and connect the connector [A] to the uncapped connector (
p.2-68).
19. Reassemble the machine.
The mainframe and the optional paper feed unit should joined each other if the
anti-condensation heater of the optional paper feed unit is installed. See
“Anti-condensation Heater (Optional Unit)” for details.