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Waste toner transport
mechanism:
The waste toner is passed through waste
toner transport screw 1 and waste toner
pipe 2 to waste toner bottle 3.
Waste toner bottle 3 is rotated by the
main drive gear via gear 4 to transport
toner evenly.
When the waste toner bottle is full of
waste toner, the rotation torque of gear 4
is increased to escape gear 5 in the
arrow direction A, and switch 6 is turned
on at the same time to light the waste
toner replacement lamp.
(5) TRANSPORT/FUSING SECTION
1) General
The SF-2116/2118 allows transport of paper of max. A3 (11" x 17")
and min. A5 (8 1/2" x 5 1/2").
After images are transferred on the paper, the paper is separated
from the drum by the separation pawl and transported to the fuser
section by rotations of the resist roller and the transport belt.
The drum separation pawl is provided under the process unit. It is
made by turning on (separating) the solenoid inside the main drive
unit.
2) Basic composition and functions
1 Transport belts (2pcs)
The transport belts are provided with notches to hold paper rear
ends.
(6) Fusing paper exit section
1 Upper heat roller
The upper heat roller is teflon-coated.
2 Lower heat roller
A silicone rubber roller is used.
3 Separation pawl
The upper heat roller is equipped with four pawls which are teflon
coated to reduce friction.
the lower heat roller is equipped with two pawls.
4 Upper/lower separation function
The upper and lower heat roller sections are separated by rotating
operations with the transport roller as a fulcrum, providing better
serviceability.
A
4
5
6
1
2
3
Paper
Feeding direction
Transport belt
1
2
3
5 – 16