Around the Drum
G179 6-16 SM
6.5.5 NEW PCDU UNIT DETECTION
New Unit Detection Mechanism
This printer uses a push-switch to trigger the initialization of a new PCU.
When the PCU is removed from the maintenance kit, the trip lever is in the down position
[A]. After the new PCU is installed in the machine, the trip lever is forced into the up
position [B]. 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.
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