Epson AcuLaser C8500 Service Manual page 8

Exit Chute Switch
This switch is a safety switch. This switch is turned off when the Exit
Upper Assembly (the cover on the upper left side of the printer) is
opened.
P/J91 (Connector that connects the Main Harness Assembly and
Registration Harness Assembly)
This is an interlock connector that cuts off the power supply
(24VDC, 5VDC-LD) to the control circuit and related parts.
This connector is disconnected when the Main P/H Assembly (pull-
out type unit on the right side of the printer) is pulled out, cutting off
the output (24VDC, 5VDC-LD) from the power supply and stopping
the printer operation without control units.
P/J71 (Connector that connects the Fuser Connector and Fuser
Harness Assembly)
This is an interlock connector that cuts off the power supply
(24VDC, 5VDC-LD) to the control circuit and related parts.
This connector is disconnected when the Fuser Assembly (pull-out
type unit on the left side of the printer) is pulled out, cutting off the
output (24VDC, 5VDC-LD) from the power supply and stopping the
printer operation without control units.