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2. Description of each section
(1) Paper feed section
SF-1020 SF-1120
Copying size A3 ∼ A6/W letter ∼ Invoice
Paper feed
system
2 trays + multi
manual feed
1 tray + multi
manual feed
Paper feed
capacity
250 sheets × 2250 sheets × 1
Cassette Paper size Paper weight Paper kind Remark
Body tray
upper stage
AB series:
A3 ∼ A5
56 ∼ 80g/m
2
Standard
paper,
recycled
paper
SF-1120:
copier
paper
feed tray
Inch series:
W letter ∼
Invoice
15 ∼ 20 lbs
Body tray
lower stage
AB series:
A3 ∼ A5
56 ∼ 80g/m
2
Standard
paper,
recycled
paper
Inch series:
W letter ∼
Invoice
15 ∼ 20 lbs
Paper feed
unit (option)
AB series:
A3 ∼ A5
56 ∼ 80g/m
2
Standard
paper,
recycled
paper
SF-CM15
(2-step)
SF-CM16
(1-step)
Inch series:
W letter ∼
Invoice
15 ∼ 20 lbs
Multi
manual
paper
feed
Multi
AB series:
A3 ∼ A6R
Inch series:
W letter ∼
Invoice
56 ∼ 80g/m
2
Standard
paper,
specified
paper,
special
paper, OHP
film, Second
original
paper,
postcards
(without
folding)
15 ∼ 20 lbs
Single
AB series:
A3 ∼ A6R
Inch series:
W letter ∼
Invoice
52 ∼
128g/m
2
14 ∼ 34 lbs
(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
(3) Process
Charging system (–) DC saw teeth electrode system
Transfer system (–) tungsten system
Separation system (AC) separation tungsten system
(4) Developing section
Developing system Dry, two-component magnetic brush
development (developer replacement)
Developing bias voltage DC–200V ±5V
(5) Fusing section
Fusing system Heat roller system
Upper heat roller surface temperature 190 degrees C
Heater lamp Halogen lamp 1000W × 1
(6) ADU section (For SF-1120 only)
Paper kind Normal paper, 56g/m
2
∼ 80g/m
2
Capacity 30 sheets 50 sheets
Paper size B4/8
1
⁄
2
″ × 14″ A4, B5, A5/8
1
⁄
2
″ × 11″
Copy void width Lead edge, 3mm or less
Rear edge, 3mm or less
2 – 2