RD RD-3108C, RD-3208C, RD-4019A, RD-4029A, RD-4200 Service Manual
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FOR RD DIGITAL DUPLICATOR
SERVICE MANUAL
Copyright (C) 2007 RD CORPORATION
RD-3108C RD-3208C RD-4019A RD-4029A
RD-4200 RD-4220 RD-4300 RD-4320
Safety Guides
Read the section before install or repair the machine.
Warning:
Do not place metallic objects or water containers on the machine,or it will result a
fire or an electric shock.
Do not palce heavy objects on the unit, or it may cause injury.
Keep the machine away from dusty or humid place.
Unplug the power connect before moving the machine.
Place the machine on a level and stable area.
Caution: Avoid installing the machine in the locations listed below.
Extremely bright locations such as locations close to windows or direct sunlight.
Locations that maybe sudden temperature change.
Extremely hot or humid locations or cold and dry locations.
Areas containing corrosive gases.
Power Connection:
Do not overload an electrical outlet or put heavy objects on it .Otherwise, a fire or an electric
shock might occur.
Do not plug or unplug the power connect if your hands are wet .Otherwise, an electric shock
might occur.
Do not pull the power cord but hold the plug itself when upplugging it,Otherwise, fire or an
electrical shock might occur.
Clean the teeth of the plug and their surroundings if dust piles on them.
Be sure to turn off the POWER switch when connecting or disconnecting a cable.
Recommendations
Printing paper:
Size: Max .297mm * 420mm
Min. 100mm * 148mm
Weight: 40 g/m2------120 g/m2
NOTE:Do not use the following type of paper,as they can cause jams or misfeeds
Extremely thin paper (less than 40g/m2)
Extremely thick or heavy paper ( greater than 120 g/m2)
Wrinkled, curled, folded,or torn paper.
Chemically treated or coated paper( such as thermal paper)
a. Size and Weight Restrictions
b. Guides for better use.
Original:
Size: Max .297mm * 420mm
Min. 100mm * 148mm
Weight: Max. 10 kg
NOTE: Do not use the following originals , as they can effect the quality of printing.
Wrinkled, curled ,creased , patched or worn originals
Transparent originals ,chemically treated originals
Extremely thin or thick originals (less than 50g/m2 , greater than 110g/m2)
Heavy drawing paper
Bound originals
Originals with staples or clips.
For better use of RD serial duplicator, please use the RD serial consumables(ink and master).
RD Corporation shall not be liable for errors that resulted from the use of other consumables.
Email: techsupport@nbrdc.com
Address:
No.928,Chengxin Road, YinZhou investment and innovation center, Ningbo China.
CATALOGUE
Chapter 1 Brief Introduction.....................................1
Overviw Features......................................................2
Control Panel&Main display....................................4
Chapter 2 Sectional Description & Adjustment.......8
Chapter 3 Test Features.........................................24
Chapter 4 Troubleshooting......................................31
First Paper Feed Unit................................................9
Second Paper Feed Unit...........................................11
Master-making Unit.................................................16
Scan Unit.................................................................14
Master Disposal Unit...............................................18
Drum Unit................................................................19
Paper Receiving Unit...............................................23
RD-3108C/3208C/4019A/4029A............................25
RD-4200 RD-4220 .................................................27
RD-4220/4320.........................................................29
Drum unit................................................................32
Paper Transmission Unit.........................................38
Master Making Unit................................................40
Master Eject Unit....................................................42
Electronic Unit........................................................44
Image Unit..............................................................46
Chapter 5 Maintenance.........................................48
Chapter 1 Introduction :
This chapter mainly provides the basic information about RD duplicatior
including overview of features , control panel and names of all parts.
Overview Features
Control Panel & Main display
- 1 -
1. RD-3108C.....................................................................................2
2. RD-4019A.....................................................................................2
3. RD-4200 / RD-4300......................................................................3
4 . RD-4220/RD-4320.......................................................................3
RD-3108C/RD-3208C/RD-4019A/RD-4029A.................................4
RD-4200 / RD-4300..........................................................................5
RD-4220 / RD-4230 / RD-4320 / RD-4330......................................7
1 RD-3108C
1) Paper feed guide
2) Original receiving tray
3) Scan cover
4) Original guide tray
5) Control panel
6) Front cover
7) Feed tray lock switch
8) Power switch
9) Uplift lever
10) Paper feed guide
11) Paper feeding tray
12) Paper feed pressure knob
2 RD-4019A
1) Scan cover
2) Scan glass
3) Scan tray
4) Control panel
5) Front door
6) Paper receiving tray
7) Feed tray lock switch
8) Power switch
9) Uplift lever
Overview Features
- 2 -
3. RD-4200 / RD-4300
1) Scan cover
2) Scan glass
3) Scan table
4) Control panel
5) Paper receiving tray
6) Front door
7) Uplift lever
8) Power switch
9) Paper feed tray
10) Elevator button
11) Paper feed pressure knob
12) Scan table release lever
4 . RD-4220/RD-4320
1) Scan cover
2) Scan glass
3) Scan table
4) Control panel
5) Paper receiving tray
6) Front door
7) Uplift lever
8) Power switch
9) Paper feed tray
10) Elevator switch
11) Paper feed pressure knob
12) Scan table release knob
- 3 -
RD-3108C/RD-3208C/RD-4019A/RD-4029A
Control Panel
1.Space position indicate LED : show the selected print speed.
2.Space position key: adjust the space position.
3.Print speed indicate LED : show the selected print speed.
4.Print Speed key: adjust the print speed.
5.Error display LED: show the possible position of error.
6.Master-making density key: adjust the master-making density.
7.Master-making density LED: show the selected master-making density.
8.Documetary/Photo key: select the original according to different doc/photo.
9.Documentary/Photo LED: show the selected original.
10.Main display LED: show the current equipment status or gives instructions for operation.
11.Mode key: show the content for operation.
12.Select key: confirm your selected operation.
13.Print Quantity Keys ( 0~9) enter the number of copies to be printed, or enter numeric values.
14.Clear key: cancel the number entered and resets the print quantity.
15.All Clear key: return to the inital settings.
16.Print key: start print .
17.Stop key: interrupt printing.
18:Test Print key: test print for two sheets
19.Master-making key: start master-making.
- 4 -
Control Panel
RD-4200 / RD-4300
1. Sub-indicate LED : show the enlarge/reduce, middle shrradow,group mode ,sensor test.
2.Enlarge and reduce key: enlarge and reduce the original size.
3.Master-making density indicate LED : show the selected master-making density .
4.Original size indicate LED: show the selected original size.
5.Book mode LED: show the selected book mode.
6.Original select key: select the original size according to the actual size.
7.Two in one / book/ sheet select key: select the original mode (book/sheet /two in one).
8.Book mode indicator LED: show the selected book mode status.
9.Scan / master-making density adjust key:
10.Ink save indicator LED: show the ink saving status ( light on means ink saving).
11.Doc/photo indicator LED: show the status of text, photo , text and photo.
12.Ink save select key: select the ink saving function.
13.Doc/photo select key select the doc, photo, doc/photo.
21. C key: cancel the number entered and resets the print quantity.
when the setting indicator (No.15) light on, adjust the master-making density.
when the setting indicator(No.15)light off, adjust the scan density.
14.Setting key press this key to set the master-making density.
15.Setting indicate LED: light on means now it is the setting status.
16.Error indicate LED: show the possible position of error.
17.Error indicate instruction: show the content of error.
18.Main LED display: show the quantity to be copied, total copied and master-making.
19.Print speed indicate LED: show the selected print speed.
20.Speed key: adjust the print speed.
- 5 -
26.Print key: start print .
32.Stop key: interrupt printing.
25:Test Print key: test print for two sheets
27.Master-making key: start master-making.
30.All Clear key: return to the inital settings.
28. key : group print (quantity of each group is same)
29. + key : group print (quantity of each group is not same)
31.OP key group setting
22.Space position select key: adjust the print position.
23.Space home position key: return to the home position.
24.Numric key (0~9) : enter the quantity
X
- 6 -
Control Panel
RD-4220 / RD-4230 / RD-4320 / RD-4330
1. Clip location: locate the Clip here.
12. Paper size key: select the original size.
13. Zoom in key: increase the zoom rate at 1% (50% ~200%)
2. Original mode key: select the original mode .(single ,two in one, book)
3. Image mode key: select the image mode option( text , photo, text/photo).
4. Master-making density key: select the master-making density(5 grades).
5. Indicate LED : +5V power supply indicator.
6. Scan density key: select the scan density.
7. Space - : enlarge the leading space.
8. Space + : reduce the leading space.
9. Print speed - : to lower the print speed
10. Print speed + : to increase the print speed.
11. Main LCD display: show the quantity to be copied, total copied and master-making.
14. Standard zoom rate key: select the standard zoom rate.
15. Zoom in key: reduce the zoom rate at 1% (50% ~200%)
16.All clear key: return to the inital settings.
17. Select key: select the setting.
18. OK key: confirm the selection
25..Print key: start print .
23.Test Print key: test print for two sheets.
24.Master-making key: start master-making.
21. key : group print .
19. Numric key (0~9) : enter the quantity
X
26. Stop key: interrupt printing or stop test
22.Print indicate LED: show the status of print.
20. C key: cancel the quantity of print quantity.
- 7 -
Chapter 2 Sectional Description & Adjustment
This chapter provides the name of main sectional part and details of adjustment
First Paper Feed Unit..............................................................9
Print transmission Unit..........................................................11
Master-making Unit.............................................................. 16
Scan Unit...............................................................................14
Master Disposal Unit............................................................ 18
Drum Unit............................................................................. 19
Paper Receiving Unit............................................................. 23
- 8 -
1. First Paper Feed Unit
13) Feed guide
14) Paper feed roller
15) Paper feed guide
16) Paper feed pressure knob
For RD-3108C/4019A
17) Paper feed roller
18) Side guides locked rod
19) Print position adjustor button
20) Feed guides
21) Paper feed pressure knob
For RD-3208C/4029A/4200/4220/4300/4320
-9-
c. Adjust the direction of spring
Use screwdrive to change the direction.
d.Change the position of sensor
Loosen the screw,and upward or downward
the position of sensor.
Adjustment :
1. Pressure of paper feed
a. Use screwdriver to adjust the pressure of
The friction pad.
Clockwise: pressure increased.
Counter-clockwise: pressure reduced
b. Adjust the knob according to the thickness of
paper.
High / middle / low
-10-
22) Separate pawl
23) Pressure roller
24) Registration roller
25) Paper switch
2.Print Transmission Unit
26) Separator pawl
27) Pressure roller
28) Registration roller
29) Paper switch
For RD-3208C/4029A/4200/4220/4300/4320
For RD-3108C RD-4019A
- 11 -
Adjustment:
a.Check the clearance bewteen upper and lower roller.
b.Loosen the screw and change the direction.
1.Registration roller
2. Print time
triangle-triangle
square-square
circle-circle
How to adjust the time of four gears:
-12-
Standard: Clearance of registration roller 1.5 mm
3. Leading edge
a. Press drum jog switch until you see
two screws
b.Loosen the two screw ,rotate the 1st
paper feed cam and fix.
clock wise: leading edge increase
counterclockwise: leading edge reduce
4. Printing area
a. Loosen the fixed screw.
b. Rotate the hexagonal screw.
Upward: area increase
Downward: area reduce
-13-
48) Scan cover
49) Scan roller
50) Scan head(CIS)
3. Scan Unit
For RD-3108C/3208C
51) Scan head (CIS)
52) Scan home position sensor
53) Lamp stabilizer
For RD-3208C/4029A/4200/4220/4300/4320
-14-
Adjustment:
a.Remove the scan cover.
b.Find the test point of "white" and "dark"
c.Use the multimeter to test voltage.
White : 1.5v ( if black dots appeared on copies, lower the voltage below1.5v,
Red foot: White/dark Black foot: GND
on the mainboard.
1.Voltage of White /Dark
d. If not , use screwdriver to rotate the potentiometer
until the quality of copies is normal.
2. Data line and change-over board
Dark : 0 v
a. Check the connect data line between CIS and change-over board.
-15-
b. Test the voltage of change-board.
Standard: +15v -12v (marked 42)
c. Scan home position sensor and scan cover
sensor
Standard : unblock: 0-0.2v
block: 3v-3.3v
Until the black dots disappear)
54) Master-Making clutch
55) Blade
56) Cutter motor
57) Master-Making motor
4. Master-Making Unit
Adjustment:
1. Voltage of Thermal Print Head
a. Remove the front cover.
b. Find connector on sub power supply board
Standard: 12.4V
2.. Master feed sensor
a.Use the multimeter to test the voltage
Red foot: red line Black foot: black line
With master : 0V-0.02v
Without master: 3V-3.3V
-16-
Adjust the potentiometer on the sub power
Red foot: Unplug the connector,touch the
Black foot: blue wire (as marked).
two foot together.
Standard
supply board.
Warning: Highest voltage 12.8v
3.Pressure of print roller
4.Pressure of reverse roller
a. Open the scan table.
b. Find the TPH adjust screw.
clock-wise: pressure increase
counter clock-wise: pressure reduce
a. Open the scan table.
b. Remove the cover of reverse roller.
c. Use a piece of master to test the pressure.
Make sure pressure of both side is same.
-17-
b.Test the resistance (power off)
Red /black foot : as marked
Standard: 165 Ohm
Adjust the potentiometer to change.
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