40930701TH DRAFT Vesion 48 /
2.5 Cover Open
When the stacker cover is opened, the cover open microswitch on the Power Supply Unit (High
voltage) is turned off to cut the supply of +30V to the high voltage power supply circuit. As a result,
all high-voltage outputs are interrupted. At the same time, the CVOPN signal is sent to the control
board to notify it of the off state of the microswitch, and the Main board performs the cover open
processing.