2. Description of each section

(1)Paper feed section

 

 

 

 

 

 

SF-1020

SF-1120

 

 

 

 

 

 

 

 

 

 

 

 

Copying size

 

A3 A6/W letter Invoice

 

 

 

 

 

 

 

 

 

 

 

 

 

Paper feed

 

2 trays + multi

1 tray + multi

 

 

 

system

 

manual feed

manual feed

 

 

 

 

 

 

 

 

 

 

 

 

 

Paper feed

 

250 sheets × 2

250 sheets × 1

 

 

capacity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cassette

 

Paper size

Paper weight

Paper kind

Remark

 

 

 

 

 

 

 

 

 

 

 

 

 

AB series:

56 80g/m2

Standard

 

 

Body tray

 

A3 A5

 

paper,

 

 

 

Inch series:

 

 

 

upper stage

 

 

recycled

SF-1120:

 

W letter

15 20 lbs

 

 

 

 

paper

 

 

 

 

Invoice

 

copier

 

 

 

 

 

 

 

 

 

 

 

 

 

 

paper

 

 

 

 

AB series:

56 80g/m2

Standard

 

 

 

 

feed tray

Body tray

 

A3 A5

 

paper,

 

 

 

Inch series:

 

 

 

lower stage

 

 

recycled

 

 

 

W letter

15 20 lbs

 

 

 

 

 

 

paper

 

 

 

 

 

 

Invoice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AB series:

56 80g/m2

Standard

SF-CM15

Paper feed

 

A3 A5

 

paper,

(2-step)

 

Inch series:

 

unit (option)

 

 

recycled

SF-CM16

 

W letter

15 20 lbs

 

 

 

 

paper

(1-step)

 

 

 

 

Invoice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AB series:

56 80g/m2

Standard

 

 

 

 

 

 

A3 A6R

 

paper,

 

 

 

 

 

 

 

 

 

 

 

Multi

 

Inch series:

15 20 lbs

specified

 

 

 

 

 

 

W letter

paper,

 

 

 

 

 

 

 

 

 

Multi

 

 

Invoice

 

special

 

 

manual

 

 

 

 

 

paper, OHP

 

 

 

 

 

 

52

 

 

paper

 

 

 

 

film, Second

 

 

 

 

AB series:

128g/m2

 

 

feed

 

 

A3 A6R

 

original

 

 

 

 

 

 

 

 

 

 

paper,

 

 

 

 

Single

 

Inch series:

 

 

 

 

 

 

 

postcards

 

 

 

 

 

 

W letter

14 34 lbs

 

 

 

 

 

 

(without

 

 

 

 

 

 

Invoice

 

 

 

 

 

 

 

 

folding)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(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/m2 80g/m2

Capacity

30 sheets

 

50 sheets

 

 

 

 

Paper size

B4/812″ × 14

 

A4, B5, A5/812″ × 11

Copy void width

Lead edge, 3mm or less

 

Rear edge, 3mm or less

 

 

 

 

 

2 – 2

Page 7
Image 7
Sharp SF-1020, SF-1120 service manual Description of each section, SF-CM15, SF-CM16