Ricoh Grand Kingfisher A245 Bedienungsanleitung

IMPORTANT SAFETY NOTICES

PREVENTION OF PHYSICAL INJURY

1. Before disassembling or assembling parts of the copier and peripherals,

make sure that the copier power cord is unplugged.

2. The wall outlet should be near the copier and easily accessible.

3. Note that the optional tray heater and the optional anti-condensation

heaters are supplied with electrical voltage even if the main switch is

turned off.

4. If any adjustment or operation check has to be made with exterior

covers off or open while the main switch is turned on, keep hands away

from electrified or mechanically driven components.

5. The inside and the metal parts of the fusing unit become extremely hot

while the copier is operating. Be careful to avoid touching those

components with your bare hands.

HEALTH SAFETY CONDITIONS

1. Toner and developer are non-toxic, but if you get either of them in your

eyes by accident, it may cause temporary eye discomfort. Try to remove

with eye drops or flush with water as first aid. If unsuccessful, get

medical attention.

OBSERVANCE OF ELECTRICAL SAFETY STANDARDS

1. The copier and its peripherals must be installed and maintained by a

customer service representative who has completed the training course

on those models.

SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL

1. Do not incinerate toner cartridges or used toner. Toner dust may ignite

suddenly when exposed to open flame.

2. Dispose of used toner, developer, and organic photoconductors in

accordance with local regulations. (These are non-toxic supplies.)

3. Dispose of replaced parts in accordance with local regulations.

Grand Kingfisher

(Machine Code:A245)

Service Manual

–

Insert Version

–

The A245 copier is based on the A219 copier.

Only the differences from the A219 copier are described in the

following pages. Refer to the A219 copier service manual

regarding the other information.

1. SPECIFICATIONS

NOTE: Only items marked with ✽are different from the A219 copier.

Configuration: Desktop

Copy Process: Dry electrostatic transfer system

Originals: Sheet/Book

Original Size: Maximum: A3/11" x 17"

Copy Paper Size: Maximum: A3/11" x 17"

Minimum:

A5/51/2" x 81/2" sideways (Paper tray feed)

A6/51/2" x 81/2" lengthwise (By-pass feed)

Non-standard sizes:

Vertical 45 mm ~ 308 mm, 1.8" ~ 12"

Horizontal 148 mm ~ 432 mm, 5.8" ~ 17"

Copy Paper Weight: Paper tray feed: 64 to 90 g/m2, 17 to 24 lb

By-pass feed: 52 to 157 g/m2, 14 to 42 lb

Reproduction Ratios:

Zoom: From 50% to 200% in 1% steps

✽Copying Speed: 18 copies/minute (A4/8.5" x 11" sideways)

10 copies/minute (A3/11" x 17")

✽Warm-up Time: 120 V machines: Less than 35 seconds (at 23°C)

230 V machines: Less than 45 seconds (at 23°C)

✽First Copy Time: Less than 6.5 seconds (A4/8.5" x 11" sideways)

Copy Number Input: Number keys, 1 to 99

Manual Image Density

Selection: 7 steps

Metric Version Inch Version

Enlargement 200%

141%

122%

200%

155%

129%

Full Size 100% 100%

Reduction

93%

82%

71%

50%

93%

74%

65%

50%

Copier

26 September 1997 SPECIFICATIONS

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

minutes or no auto reset

✽Paper Capacity: Paper tray: 250 sheets or less than 30 mm stack

height

By-pass feed entrance:

Toner Replenishment: Bottle exchange (215 g/bottle)

Copy Tray Capacity: 100 sheets

Power Source: 120 V/60 Hz: More than 15 A (for North America)

220 ~ 240 V/50 Hz: More than 8 A (for Europe)

220 V/50 Hz: More than 8 A (for Asia)

220 V/60 Hz: More than 8 A (for Middle East/Asia)

110 V/60 Hz: More than 15 A (for Taiwan)

127 V/60 Hz: More than 15 A (for Middle East)

✽Power Consumption:

✽Dimensions:

Copier only Full system*

Maximum

1.4 kW

(120 V machines) 1.5 kW

(120 V machines)

1.1 kW

(230 V machines) 1.2 kW

(230 V machines)

Copy cycle 0.82 kW 0.85 kW

Warm-up 0.95 kW 0.95 kW

Stand-by 0.16 kW 0.16 kW

Energy saver 0.12 kW 0.12 kW

*Full system: Copier with document feeder and 10-bin sorter

Width Depth Height

Copier 579 mm

(22.8") 560 mm

(22.1") 465 mm

(183.8")

Full system* 775 mm

(30.2") 560 mm

(22.1") 563 mm

(21.5")

*Full system: Copier with document feeder and 10-bin sorter

Standard paper 80 sheets

OHP 10 sheets

Others 1 sheet

SPECIFICATIONS 26 September 1997

✽Noise Emissions: Sound pressure level (the measurements are

made in accordance with ISO 7779 at the

operator position.)

Sound power level (the measurements are made

in accordance with ISO 7779)

✽Weight:

Optional Equipment:

(Sales items) Document feeder (A662)

10-bin sorter (A657)

Optional Equipment:

(Service items) Optics anti-condensation heater

Tray heater

•Specifications are subject to change without

notice.

Copier only Full system*

Copying 58 dB or less 62 dB or less

*Full system: Copier with document feeder and 10-bin sorter

Copier only Full system*

Stand-by 40 dB or less 40 dB or less

Copy cycle 64 dB or less 68 dB or less

*Full system: Copier with document feeder and 10-bin sorter

Copier only 45 kg (99.2 lb)

Full system* 58 kg (128 lb)

*Full system: Copier with document feeder and 10-bin sorter

Copier

26 September 1997 SPECIFICATIONS

2. MECHANICAL COMPONENT LAYOUT

NOTE: The paper feed area has been changed.

710

98654321

24 23 22 1920 A245V500.wmf

1. 2nd Mirror

2. 1st Mirror

3. Exposure Lamp

4. Hot Roller

5. Lens

6. Quenching Lamp

7. Charge Corona Unit

8. 6th Mirror

9. Erase Lamp

10. 4th Mirror

11. 5th Mirror

12. Toner Bottle Holder

13. By-pass Feed Roller

14. By-pass Feed Table

15. Upper Relay Rollers

16. Upper Tray Paper Feed

Rollers

17. Lower Relay Rollers

18. Lower Tray Paper Feed

Rollers

19. Registration Rollers

20. Development Roller

21. Transfer/Separation Unit

22. Drum

23. Cleaning Blade

24. Pressure Roller

25. Lower Paper Tray

26. Upper Paper Tray

27. Copy Tray

28. Exit Rollers

29. 3rd Mirror

MECHANICAL COMPONENT LAYOUT 26 September 1997

3. DRIVE LAYOUT

NOTE: The paper feed area has been changed.

54 3

A245V501.wmf

1. Lens Motor

2. Fusing Unit Drive Gear

3. Main Motor

4. Drum Drive Gear

5. Lower Tray Paper Feed Clutch Gear

6. Upper Tray Paper Feed Clutch Gear

7. Lower Relay Roller Clutch Gear

8. Upper Relay Roller Clutch Gear

9. By-pass Paper Feed Clutch

10. Registration Clutch Gear

11. Toner Supply Motor

12. 4th/5th Mirror Motor

13. Scanner Drive Motor

Copier

26 September 1997 DRIVE LAYOUT

4. PAPER PATH

NOTE: The paper feed area has been changed.

2A245V502.wmf

1. By-pass Feed

2. Lower Paper Tray Feed

3. Upper Paper Tray Feed

4. Copy Tray

PAPER PATH 26 September 1997

5. ELECTRICAL COMPONENT DESCRIPTIONS

Refer to the electrical component layout and the point-to-point diagram on the

waterproof paper in the pocket for symbols and index numbers.

Symbol Name Function Index No.

Motors

M1 Main Motor Drives all the main unit components except for

the optics unit and fans. 8

M2 Scanner Drive Motor Drives the scanners (1st and 2nd). 9

M3 Lens Motor Moves the lens position in accordance with

the selected magnification. 20

M4 4th/5th Mirror Motor Moves the 4th/5th mirror position in

accordance with the selected magnification. 18

M5 Toner Supply Motor Rotates the toner bottle to supply toner to the

development unit. 10

M6 Optics Cooling Fan

Motor Prevents build-up of hot air in the optics cavity. 19

M7 Exhaust Fan Motor Removes heat from around the fusing unit and

blows the ozone built up around the charge

corona unit towards the ozone filter. 7

Clutches

CL1 Upper Tray Paper

Feed Clutch Transfers main motor drive to the upper paper

feed roller. 13

CL2 By-pass Paper Feed

Clutch Starts paper feed from the by-pass feed table. 12

CL3 Lower Tray Paper

Feed Clutch Transfers main motor drive to the lower paper

feed roller. 16

CL4 Registration Clutch Drives the registration rollers. 11

CL5 Upper Relay Roller

Clutch Drives the upper relay rollers for upper paper

tray feed. 14

CL6 Lower Relay Roller

Clutch Drives the lower relay rollers for lower paper

tray feed. 15

Switches

SW1 Main Switch Supplies power to the copier. 43

SW2 Interlock Switch Cuts all power when the front cover is opened. 42

SW3 Upper Tray Paper

Size Switch Determines what size of paper is in the upper

paper tray. 36

SW4 Right Vertical Guide

Switch Cuts the +24 V dc power line of the relay roller

clutch. 30

SW5 Lower Tray Paper

Size Switch Determines what size of paper is in the lower

paper tray. 35

Sensors

S1 4th/5th Mirror Home

Position Sensor Informs the CPU when the 4th/5th mirror

assembly is at the home position (full size

position). 28

Copier

26 September 1997 ELECTRICAL COMPONENT DESCRIPTIONS

Symbol Name Function Index No.

S2 ADS Sensor Detects the background density of the original. 26

S3 Upper Tray Paper

End Sensor Informs the CPU when the upper paper tray

runs out of paper. 31

S4 Registration Sensor Detects the leading edge of the copy paper to

determine the stop timing of the relay roller

clutch, and detects misfeeds. 34

S5 By-pass Feed Paper

End Sensor Informs the CPU when there is no paper in the

by-pass tray. 33

S6 Exit Sensor Detects misfeeds. 25

S7 Scanner Home

Position Sensor Informs the CPU when the 1st scanner is at

the home position. 45

S8 Lens Home Position

Sensor Informs the CPU when the lens is at the home

position. 24

S9 Toner Density (TD)

Sensor Detects the ratio of toner to carrier in the

developer. 29

S10 Lower Tray Paper

End Sensor Informs the CPU when the lower paper tray

runs out of paper. 32

Printed Circuit Boards

PCB1 Main Control Board Controls all copier functions. 1

PCB2 High Voltage Supply

Board - C/G/B/T/S Provides high voltage to the charge corona,

grid, development bias, transfer corona, and

discharge plate. 2

PCB3 AC Drive/DC Power

Supply Board Drives the exposure lamp, fusing lamp, and

main motor. Rectifies 30 Vac and 8 Vac input

and outputs 5 Vdc and 24 Vdc. 3

PCB4 Operation Panel

Board Informs the CPU of the selected modes and

displays the situation on the panel. 6

Lamps

L1 Erase Lamp Discharges the drum outside of the image

area. (Provides leading/trailing edge and side

erases.) 4

L2 Quenching Lamp Neutralizes any charge remaining on the drum

surface after cleaning. 5

L3 Exposure Lamp Applies high intensity light to the original for

exposure. 22

L4 Fusing Lamp Provides heat to the hot roller. 27

Others

CO1 Total Counter Keeps track of the total number of copies

made. 39

H1 Upper Tray Heater

(Option) Turns on when the main switch is off to keep

paper in the upper paper tray dry. 38

H2 Optics

Anti-condensation

Heater (Option)

Turns on when the main switch is off to

prevent moisture from accumulating in the

optics. 44

ELECTRICAL COMPONENT DESCRIPTIONS 26 September 1997

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