Description Of Each Section - Sharp SF-2220 Service Manual

2. Description of each section

(1) Paper feed section
SF-2020
Copying size
Paper feed 2 trays + multi
system manual feed
Paper feed
250 sheets × 2
capacity
Cassette Paper size
AB series:
A3 ∼ A5
Body tray
Inch series:
upper stage
W letter ∼
Invoice
AB series:
A3 ∼ A5
Body tray
Inch series:
lower stage
W letter ∼
Invoice
AB series:
A3 ∼ A5
Paper feed
Inch series:
unit (option)
W letter ∼
Invoice
AB series:
A3 ∼ A6R
Multi Inch series:
W letter ∼
Multi Invoice
manual
paper
AB series:
feed
A3 ∼ A6R
Single Inch series:
W letter ∼
Invoice
(2) Optical section
Light source Halogen lamp
Exposure system Slit exposure by moving the light source
Zooming system By changing the lens positions and the scan
speed.
Lens Fixed focus lens
SF-2120
A3 ∼ A6/W letter ∼ Invoice
1 tray + multi
manual feed
250 sheets × 1
Paper weight Paper kind Remark
56 ∼ 80g/m 2
Standard
paper,
recycled
15 ∼ 20 lbs
SF-2120:
paper
copier
paper
56 ∼ 80g/m 2
Standard
feed tray
paper,
recycled
15 ∼ 20 lbs
paper
56 ∼ 80g/m 2
Standard SF-CM15
paper, (2-step)
recycled SF-CM16
15 ∼ 20 lbs
paper (1-step)
56 ∼ 80g/m 2
Standard
paper,
specified
15 ∼ 20 lbs
paper,
special
paper, OHP
52 ∼
film, Second
2
128g/m
original
paper,
postcards
14 ∼ 34 lbs
(without
folding)
MC-Service
(3) Process
Charging system
Transfer system
Separation system
(4) Developing section
Developing system
Developing bias voltage
(5) Fusing section
Fusing system
Upper heat roller surface temperature
Heater lamp
(6) ADU section
Paper kind
Capacity
Paper size
Copy void width
2 – 2
(–) DC saw teeth electrode system
(–) tungsten system
(AC) separation tungsten system
Dry, two-component magnetic brush
development (developer replacement)
DC–200V ±5V
Heat roller system
190 degrees C
Halogen lamp 1000W × 1
2 ∼ 80g/m 2
Normal paper, 56g/m
50 sheets
B4, A4, B5
Lead edge, 3mm or less
Rear edge, 3mm or less