Sharp AR-BC320 Service Manual page 35

No.
Name
23 Transfer belt
24 Waste toner box (Transfer
section)
25 Lift-up unit
26 Paper pickup roller (No. 1 tray)
27 Idle roller
28 Manual paper feed roller
29 Paper pickup roller
30 Separation roller
31 Manual paper transport roller
32 Upper resist roller
33 Lower resist roller
34 Idle roller
35 Paper transport roller 1
36 Paper feed roller (No. 1 tray)
37 Separation roller (No. 1 tray)
38 Idle roller
39 Paper transport roller 2
40 Fusing unit
41 Lower heat roller thermistor
42 Lower heat roller thermostat
43 Lower heat roller
44 Lower heater lamp
45 Lower separation pawl
46 Fusing transport roller
47 Idle roller
48 Gate
49 Upper heater lamp
50 Upper heat roller
51 OPC drum
52 Upper heat roller thermistor
53 Upper heat roller thermostat
54 Idle roller
55 Transfer belt cleaning blade
56 Paper transport roller 3
57 Belt waste toner transport shaft Transports waste toner on the transfer belt to the waste toner box.
58 Paper exit roller
59 Idle roller
Parts
Function
Transfers toner images of the photoconductor onto paper.
Collects waste toner on the transfer belt.
Lifts the transfer belt.
Sends paper to the paper feed roller.
Applies a pressure to paper and the transport roller to provide
transport power of the transport roller to paper.
Feed paper to the paper transport section.
Sends paper to the paper feed roller.
Separates paper to prevent double feed.
Transports paper to the resist roller.
Transports paper to the transfer section.
Transports paper to the transfer section.
Prevents paper skew.
Transports paper to the resist roller.
Feed paper to the paper transport section.
Separates paper to prevent double feed.
Applies a pressure to paper and the transport roller to provide
transport power of the transport roller to paper.
Transports paper to the transport roller 1.
Fuses toner on paper.
Detects the temperature on the fuser roller surface.
Detects an abnormally high temperature and turns off the heater
lamp.
Heats and presses toner on paper to fuse toner on paper.
Heats the lower fuser roller.
Mechanically separates paper which was not separated naturally from
the lower heat roller.
Transports paper after fusing.
Applies a pressure to paper and the transport roller to provide
transport power of the transport roller to paper.
Switches the paper exit path. (face up, face down)
Heats the heat roller.
Heats and presses toner on paper to fuse toner on paper.
Forms latent static electrostatic images with LED light.
Detects the temperature on the heat roller surface.
Detects an abnormally high temperature and turns off the heater
lamp.
Applies a pressure to paper and the transport roller to provide
transport power of the transport roller to paper.
Cleans toner on the transfer belt.
Transport paper to the paper exit roller.
Discharges paper to outside of the machine.
Applies a pressure to paper and the transport roller to provide
transport power of the transport roller to paper.
AR-BC320 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 6
Model Note
Manual paper
feed section