Minolta Di850 Service Manual page 123

FIXING UNIT
*5 Jam detection
When a jam occurs in the paper exit section in the
fixing unit, the jammed paper presses down the
actuator, causing the fixing jam sensor (PS3) to
detect a jam via the jam detection plate and actu-
ator operation.
Jammed paper
PS3
(Fixing jam)
Actuator
*6 Thick paper conveyance
When a thick paper is fed, the fixing guide sole-
noid (SD3) installed on the ADU side is turned
ON and the thick paper conveyance auxiliary
plate installed at the inlet of the fixing unit is
pressed down via the arm, thus improving trans-
portability of thick paper.
Thick paper conveyance auxiliary plate
Arm
SD3 (Fixing guide solenoid)
2-O-4