Ricoh FT4430 Manuale utente

RICOH FT4430

SERVICE MANUAL

RICOH COMPANY, LTD.

SECTION 1

OVERALL MACHINE

INFORMATION

Table of Contents

SPECIFICATIONS . .

OPERATION PANEL

SECTION A . . . . . . . . .

SECTION B . . . . . . . . .

April ’88

SPECIFICATIONS

Configuration: Desk top

Copying Process: Dry electrostatic transfer system

Original: Sheet/book

Original Size: Maximum A3 (11“ x 17”)

Copy Paper Size: Maximum A3 (11“ x 17”)

Minimum A6

(51/2" x

81/2”)

Copy Paper Weight: Cassette feed 52 to 128 g/m2 (14 lb to 34 lb)

Manual feed 52 to 157 g/m2 (14 lb to 42 lb)

Reproduction Ratios: See the following table:

A4 Version Letter Version

1:1.41 1:1.55

Enlargement

1:1.22 1:1.29

1:1.15

1:1.21

Full Size

1:1

1:0 93

●

1:0 93

●

1:0.82

1:0 77

●. .

Reduction

1:0.71

1:0.74

1:0.65 1:0.65

Zoom: From 65% to 155% in 1 % steps

Reproduction Ratio Full size - Enlargement or

Change: Full size - Reduction in less than 5 seconds

Enlargement - Reduction or

Reduction - Enlargement in less than 6.5

seconds

16 April ’88

Copying Speed: The copy speed (in copies per minute) is shown

in the following tables:

A4 Version

A3 B4 A4 B5

A4R B5R

20 20

15 15

Letter Version

LDG LG LT LT(R)

12 15

When used with document feeder, A4 (LT) speed

is 17 cpm (sideways).

First-Copy Time: 6.0 seconds (A4 or 81/2” x 11”)

Warm-Up Time: Approximately 100 seconds (23°C)

Copy Number Input: Numeral keys, 1 to 999, (count up or count down)

Special Functions: - Margin adjustment

- Auto size magnification mode

-2 single copies mode

- Auto paper select and auto reduce/eniarge

mode (with ADF only)

Manual Image Density 7 Steps (Development bias variable)

Selection:

Automatic Reset: 1 min. standard setting; can also be set to 3 min.

or no auto reset.

All functions canceled except cassette selection.

Quantity entered returns to “1”, and reproduction

ratio returns to full size.

1-2

16 April ’88

Paper Feed: - Double universal cassette feed, 250 sheets each

(auto cassette shift)

- Manual feed table

- Optional large capacity tray (LCT) at second

feed station.

Paper-Feed System: Friction-pad system

Exposure System: Slit exposure, moving optics

Lens:

Through lens, F8, f = 180mm

Light Source: Halogen lamp (85 V, 290 W)

Photoconductor: Selenium drum (F type)

Charge System: Dual wire dc corona

Erase:

LED lamp unit (34 LEDs)

Development System: Magnetic brush roller

Toner Density Control: Automatic, direct density sensing

Development Bias Automatic voltage change (The control board

System: monitors the selected image density level, drum

temperature, and rest time.)

Toner Replenishment: Cartridge exchange (300 g/cartridge)

Toner Consumption: Approx. 7,500 copies/cartridge (A47% original)

Cleaning System: Blade and brush

Quenching System: Photo-quenching

Image Transfer: Single wire dc corona, pre-transfer lamp

Paper Separation: Dual wire ac corona and pick-off pawls

Image Fusing: Heat/pressure - roller type

Fusing Lamp: Halogen lamp (840 W)

1-3

16 April ’88

Electronic Control 8-bit microprocessor

System:

Copy Tray Capacity: 250 sheets (B4 / 10” x 14”)

100 sheets (A3 / 11” x 17“)

Self-diagnostics: 19 codes, displayed in the copy counter

Power Source: 110V/60Hz....15A

115V/60Hz....15A

220V/50Hz....8A

220V/60Hz....8A

240V/50HZ....8A

Power Consumption: Warm-up:

1.0 kW

Stand-by: 0.08 kW

Copying: 0.42 kW (A4 sideways)

Maximum: 1.22 kW

Dimensions: Copier only: 734 x 654 x 390 mm

(WxDxH)28.9 x 25.8 x 15.4 inches

Full System: 1363 x 654 x 460 mm

53.7 x 25.7 x 14.1 inches

Weight: 65 kg (143 lb) (Copier only)

100 kg (221 lb) (Full System Without table)

Optional Equipment: Document Feeder

Sorter (20 bins)

Large Capacity Tray

Editor Board (requires editing eraser lamp)

Color Development Unit (Red, Blue, Green)

1-4

16 April ’88

OPERATION PANEL

(A4/A3 Version)

SECTION A

1. Sort Indicator 9. Copy Image Size Indicator

2. Stack Indicator 10. Zoom Keys

3. Auto Reduce/Enlarge Indicator 11. Size Magnification Key

4. Auto Paper Select Indicator 12. Margin Adjustment Key

5.2 Single Copies Indicator 13.2 Single Copies Key

6. Left Margin Adjustment Indicator 14. Auto Selection Key

7. Right Margin Adjustment Indicator 15. Sorter Key

8. Original Image Size Indicator

1-5

16 April ’88

SECTION B

1. (LT/LDG Version)

(A4/A3 Version)

●

14,

15.

(

Auto Image Density Key

Manual Image Density Key

Manual Image Density Indicator

Color Toner Indicator

Misfeed Location Display

Select Cassette Key

Paper Size Indicator

Full Size Key

Full Size Indicator

Magnification Ratio Indicator

Enlarge Key

Reduce Key

16 April ’88

(LT/LDG Version)

1. Number Keys

2. Recall/Enter Key

3. Interrupt Indicator

4. Interrupt Key

(A4/A3 Version)

5. Clear Modes Key

6. Start Key

7. Clear/Stop Key

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