Ricoh rt37 SPECIFICATIONS

LCT

(Machine Code: A698)

June 30, 1998 SPECIFICATIONS

1. OVERALL MACHINE INFORMATION

1.1 SPECIFICATIONS

Paper Size:

Paper Weight: 64 g/m2 ~ 105 g/m2, 16 lb ~ 24 lb

Tray Capacity: 3,500 sheets (80 g/m2, 20 lb)

Remaining Paper Detection: 4 steps

Power Source: 24 Vdc, 5 Vdc (from copier)

Power Consumption: 48 W

Weight: 22 kg

Size (W x D x H): 403 mm x 529 mm x 608 mm

A4 sideways, B5 sideways, LT sideways

A698-1

Options

MECHANICAL COMPONENT LAYOUT June 30, 1998

1.2 MECHANICAL COMPONENT LAYOUT

1. Paper Feed Sensor

2. Paper Feed Roller

3. Pick-up Solenoid

4. Lift Sensor

5. Paper End Sensor

6. LCT Motor

7. Pick-up Roller

8. Paper Near End Sensor

9. Paper Height Sensor 1

A698D101.WMF

10. Paper Height Sensor 2

11. Paper Tray

12. Paper Height Sensor 3

13. Lift Motor

14. Down Sensor

15. Tray Drive Belt

16. Paper Position Sensor

17. Separation Roller

18. Relay Roller

A698-2

June 30, 1998 ELECTRICAL COMPONENT LAYOUT

1.3 ELECTRICAL COMPONENT LAYOUT

1. Paper Feed Sensor

2. Lift Sensor

3. Pick-up Solenoid

4. Relay Clutch

5. Paper Feed Clutch

6. LCT Motor

7. Feed Unit Cover Switch 1

8. Feed Unit Cover Switch 2

9. Near End Sensor

10. Paper Height Sensor 1

11. Paper Height Sensor 2

A698D102.WMF

12. Paper Height Sensor 3

13. LCT Interface Board

14. Lift Motor

15. Down Sensor

16. Tray Cover Switch 1

17. Tray Cover Switch 2

18. Tray Cover Switch 3

19. Down Switch

20. Paper Position Sensor

21. Paper End Sensor

Options

A698-3

ELECTRICAL COMPONENT DESCRIPTIONS June 30, 1998

1.4 ELECTRICAL COMPONENT DESCRIPTIONS

Symbol Name Function

Motors

M1 LCT Drives all rollers. 6 M2 Lift Drives the paper tray up or down. 14

Sensors

S4 S5 Paper Height 1 Detects the paper height. 10

S6 Paper Height 2 Detects the paper height. 11 S7 Paper Height 3 Detects the paper height. 12 S8 Near End Detects the paper height. 9

Switches

SW1 SW2 Tray Cover 2 17

SW3

SW4

SW5

SW6 Down Lowers the LCT bottom plate if pressed. 19

Solenoids

SOL1

Paper End Informs the copier when the paper has

run out.

Paper Feed

Lift Detects when the paper is at the correct

Down

Paper Position Detects when the top of the paper stack

Tray Cover 1 Detects whether the tray cover is opened

Tray Cover 3

Feed Unit Cover 1

Feed Unit Cover 2

Pick-up

Detects the copy paper coming to the relay roller and checks for misfeeds.

paper feed height. Detects when the tray is completely

lowered, to stop the LCT motor.

is at the correct position for paper feed.

or not. Ensures that +24V can be passed to the

lift motor whether the cover is open or closed.

Detects whether the feed unit cover is opened or not.

Ensures that +24V can be passed to the lift motor whether the cover is open or closed.

Controls up-down movement of the pick- up roller.

Index

No.

Magnetic Clutches

MC1 Paper Feed Drives the paper feed roller. 5 MC2 Relay Drives the relay roller. 4

PCBs

PCB1

LCT Interface Controls the LCT and communicates with

the copier.

A698-4

June 30, 1998 DRIVE LAYOUT

1.5 DRIVE LAYOUT

1. Relay Roller

2. Paper Feed Roller

3. Relay Clutch

4. Paper Feed Clutch

5. LCT Motor

A698D103.WMF

6. Lift Motor

7. Tray Drive Shaft

8. Tray Drive Belt

9. Pick-up Roller

10. Separation Roller

Options

A698-5

PAPER FEED MECHANISM June 30, 1998

2. DETAILED DESCRIPTIONS

2.1 PAPER FEED MECHANISM

[D]

[F]

A698D104.WMF

[E]

[A]

This LCT uses an FRR paper feed system (paper feed roller [A], separation roller [B], pick-up roller [C]), and those rollers are driven by the LCT motor [D].

When the start key is pressed, the paper feed clutch [E], relay clutch [F], and pickup solenoid [G] energize. The pick-up roller touches the paper and feeds it to the copier.

[B]

[C]

[G]

A698D105.WMF

When the leading edge of the paper reaches the paper feed sensor, the pick-up solenoid turns off and the pick-up roller lifts away from the paper.

A698-6

+ 15 hidden pages