When the PCU is removed from the maintenance kit, the trip lever is in the down position [1]. After the new
PCU is installed in the machine, the trip lever is forced into the up position [2]. This triggers the initialization
procedure shown below (Please refer to the flow chart below, "What Happens When a New Unit Is
Detected".)
This event is triggered only once after the new PCU is installed. The trip lever will remain in the up position
for the remainder of the service life of the PCU, regardless of how many times the PCU is removed and
reinstalled in the machine.
• When a new PCU is removed from its box, handle it carefully to avoid hitting the trip lever and moving
it accidentally out of its down position.
• If the trip lever on a new PCU is not down when the PCU is inserted in the machine for the first time,
the machine will not detect the PCU as a new unit and the initialization sequence will not occur.
Photoconductor Unit (PCDU)
317
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