Plus NF-20 User manual

1
Copyboard
NF-20
SERVICE MANUAL
31.1.2014. Ver.1.2

2
CONTENTS
1. COMPLIANCE OF SAFE REPAIR ........................... 3
1-1. Cautions during Product Movement ....................3
1-2.
Cautions during disassemblying and assembling ...3
2.
SPECIFICATIONS .....................................................4
2-1. Product Specications ...........................................4
2-2. Names of the Parts...............................................5
2-3. Control Panel .......................................................7
2-4. Meaning of Error Messages ................................8
3. TROUBLE SHOOTING .............................................9
4. DISASSEMBLY AND ASSEMBLY ............................10
4-1. Tolls Required ......................................................10
4-2. Caution.................................................................10
4-3. Disassembly and Assembly Procedures .............10
4-4. Disassembly and Assembly ................................11
5. ADJUSTMENT...........................................................18
5-1. Calibration..........................................................18
5-2.
Changing the Internal Program of NF-20 Main Set ....19
5-3. Test mode...........................................................20
6. DEVICE SETTING.....................................................21
6-1.
CB Setup (operating the copyboard’s buttons)
..........21
7. CABLE AND CABLE CONNECTION .....................24
8. PARTS LIST ............................................................25
1. PANEL SIDE ..........................................................25
2. MAIN BOARD CIS UNIT CABLE ...........................27
3. SHEET FRAME .....................................................29
4. ACCESSORIES .....................................................31
5. CARTON ...............................................................32
6. NF-20-T..................................................................33
7. SCREWS & WASHERS ........................................35

3
1. COMPLIANCE OF SAFE REPAIR
Be sure to read this Service Manual before providing services. In the PLUS Copyboard, full consideration is taken
to ensure the safety for a re, electric shock, injury, harmful radiation, and substance. Therefore, observe the notice
described in this Service Manual so that the safety is kept when providing services. Moreover, be sure to observe the
notice described in the User’s Manual.
Pay attention to the following during service inspection.
1-1. Cautions during Product Movement
• It is necessary to remove the products when making the service of products put on the wall. At that time,
hold the product by two or more persons to prevent the product from dropping or a person from falling down.
1-2. Cautions during disassembling and assembling
1. When doing repairs, make sure that power plug is pulled out to insure safety.
2. Make sure that parts and screws and wiring, etc. are returned to their original positions. Tube, tape and other
insulation materials have been used for safety reasons. The internal wiring has been designed to avoid direct
contact with hot parts or parts under high voltage when using clamps or other tools.
3. The parts used in this device have special safety features such as ame-resistance and anti-voltage properties.
When replacing parts, always use parts supplied from the factory.
4. After nishing operations make sure that all parts and wires have been returned to their original position and that
there has been no deterioration of the area around the location that was worked on.
5. Be sure to use an earth band (wrist band) during repair and inspection.
6. Aluminum is used for this product as materials. During assembling and disassembling, be careful not to mistake the
type of screws. Depending on the screw used, the screw hole is damaged and parts may be unable to be xed
properly.
CAUTION: Never remove the two tension plates at the top and
bottom because they x a spring.
Tension Plate

4
2.SPECIFICATIONS
BOARD TYPE (Model name)
2-1. Product Specications
NF-20
Wall- hanging or self-standing type (T-legged)*1
W830 × D72 × H955 mm
W830 × D674 × H1850*3mm
Installation method
Main unit weight
Form
T-shaped legs weight*1*2
Panel size
Effective reading size
Number of Pages
Paging
Drive method
Reading method
Reading illumination light source
Reading resolution
Reading time
Board
I nterface
Added functions
Power supply
Operating
conditions
Operating
environment
Miscellaneous Ruled lines
Miscellaneous
34 mm cross-ruled squares
Dedicated markers (black, red, blue, and green)
Remarks
*1: T-legged (stand) is sold separately. The height of the stand can be adjusted in 2 steps - 1850 and 1650 mm. The
inclination angle can be adjusted in three steps - 0, 7 and 10 degrees.
*2: Printer tray is sold separately.
*3: The maximum dimension is indicated for the height (H).
• Please note that for quality improvement purposes, specications and design are subject to change without prior notice.
AC power adapter
File format
Type
Compatible FAT types
Printing resolution
LAN port
Interface
No. print colors
Clock
Web browser
PC consumption
Printer interface
Screen size
Board
Printing
Network
External
memory
PC connection
Temperature:
Humidity:
10–35°C
30–85% (No condensation)
JPEG, PNG, PDF
8-tone color or 2-tone monochrome
FAT 16, 32
300 dpi or equivalent
USB Flash memory
USB2.0
USB 2.0
Used for the timestamp and for le dating properties
Windows :Internet Explorer 8.0 or greater
Macintosh : Safari 5 or greater
* Enable JavaScript
Images can be acquired and device settings made via USB (using a browser)
RJ-45(10Base-T/100Base-TX)
In standby: 3W, During operation: 8W (not including printer)
10 kg
8.3 kg
H650 × W910 mm
RGB,LED
Main scanning direction (vertical sheet surface) 1.92 dots/mm (50 dpi or equivalent)
Sub scanning direction (horizontal sheet surface) 1.92 dots/mm (50 dpi or equivalent)
Input : AC100–240V/50–60 Hz, Max 0.75 A
Output : DC 12 V, 3.0 A
Black & white: approx. 8 Sec.
Color: approx. 8 Sec.
Standard type: 624 x 824 dots (xed)
Hijh-Resolution:1248 x 1728 dots (xed)
Endless in one direction (Horizontal scrolling)
2
Sheet movement
CIS (Contact Image Sensor)
H630 × W900 mm
External dimensions
(T-shaped legs*¹)
External dimensions of the
T-legged stand (including the
main body)*¹

5
2-2. Names of the Parts
Front
SPECIFICATION
Main Unit
Sheet
Dedicated markers are used on the
Sheet todraw diagrams and to write.
Control Panel
Input/output terminals
(see next page)
* Located on the bottom surface.
Frame Cover
Pen Tray
* This illustration does not show
the connection cords.
Stand (sold separately)
This is a stand for supporting the
NETWORK FLIPCHART.
(See the Assembly and Setup Manual).
Note
• It might not be possible to print or copy when storing to
USB memory or personal computer any portions that are
drawn outside of this range.
Effective Reading Size
The area that can be copied is the gray area of the diagram.
Effective reading size
approx. 5 mm
approx. 5 mm
approx. 10 mm
approx. 10 mm
NF-20
NF-20

6
SPECIFICATION
Input/output terminals
Caster
Unlock
Lock
Locking/unlocking the stand's Casters
After installation, Lock the Casters with the stoppers. When
moving the stand, Unlock the Caster's stoppers.
The stoppers are locked when the bottom is pressed. Press
the top to Unlock them.
Personal computer (PC) dedicated USB
port (Type B)
Connect this with the USB port (type A) of the PC.
Used to connect the copyboard to a computer to
make the copyboard’s device settings. Can also be
used to copy scanned images onto the computer.
DC input connector
Connect this with the DC plug end of the AC
Power adapter. (Only connect the supplied AC
power adapter; nothing else.)
Printer connector (USB port Type A)
Connect this with the USB connector of the printer.
(The printer connector is dedicated for use with a printer; use
it only with a printer.)
The connector is located on the bottom surface
of the Main Unit.
The diagram view is seen from the bottom.
* This illustration does not show the printer or
connection cords.
LAN terminal (RJ-45)
Connect a LAN cable commercially available.
USB memory port (type A)
Insert a commercially available USB
memory device here. Scanned images
can be saved.
Rating label
(Serial number)
The figure is viewed from the back.
USB B
PC
USB A
メモリ
MADE IN CHINA
SER.No.
I N P U T : 12V 3.0A
FACTORY
: SPI
MODEL : NF-20
COPYBOARD

7
SPECIFICATION
2-3. Control Panel
When pressing a button, please press the center area (the square bulge). The button may not work if it is pressed on a corner.
NF-20
Status
ON/Standby
Scroll/Stop
Color Print B/W Print
Setup
Single Double
Number of Copies
Save
Network
USBPrinter
7 Save button (USB memory storage)
Move the sheet to scan one or both sides of the sheet and then
store the scanned image in the USB memory stick.
When connected to a computer by USB cable, the image is
stored in the NETWORK FLIPCHART’s internal memory.
8 Scroll/Stop button
Scrolls the sheet one screen portion left, then stops automati-
cally. A press of this button while scrolling will stop the scrolling.
9 Color Print ( ) button
Move the sheet to scan one or both sides of the sheet and then
print out the number of sheets shown in the display window in
color.
10 B/W Print ( )button
Move the sheet to scan one or both sides of the sheet and then
print out the number of sheets shown in the display window in
monochrome.
11 USB A Memory port (USB Type A)
Connect a USB memory stick commercially available.
12 Status
The connection status of the main body, USB memory, network
or printer is indicated by the on / off status of the lamps.
When the function is working normally, the status lamp will light
up in green. When there is an error, the status lamp will light up
in red (see table below).
Check according to the error display in the display window.
See Page 8 for information on the errors and the error resolution methods.
1 ON/Standby button
Turns the NETWORK FLIPCHART’s power on and off
(standby mode).
2 Display window
The number of copies, operating status and error messages
are displayed on the 7-segment LEDs.
3 Single-sided / double-sided indicator
The single-sided / double-sided setting condition is indicat-
ed by the status of the lamps (orange in color).
When the single-sided lamp is turned on: Single-sided sc-
anning (currently visible face)
When the double-sided lamp is turned on: Doublesided
scanning on the front and back
4 Single-sided / Double-sided button
This button sets up the scanning mode for either single sided
scanning (of the currently visible face) or simulta neous do-
ublesided scanning.
When the double-sided button is pressed, double-sided
scanning will be cancelled if other operating buttons are
not
pressed within the next minute and the device will then return
to the single-sided scanning mode.
When the power supply is switched off, the device goes into
the single-sided scanning mode.
5 Number of Copies ( )/Test print button
Press this button to set the number of copies to be printed (max.
10). The number of copies is displayed on the display window.
* “ ” is displayed during test printing.
6 Network button
Move the sheet to scan one or both sides of the sheet and
then
store the scanned image in the storage location.
The data is saved either on the NETWORK FLIPCHART or
in a folder on the FTP server, as previously set.
※
Display
window
Meaning
USB
indicator
Printer
indicator
Printer problem
An unsupported printer is connected
USB Memory not recognized
USB Memory storage problem
USB memory not connected
Memory is full
Reading error
System error
Time setting error
Security protection
Color printed prohibited
LAN cable disconnected
FTP server recognition error
FTP server connection failure
FTP server writing failure
Network or other error
Network setting reset error
Header/footer writing error
Warning that disconnection of
USB memory has been forgotten
Off
Off
Off Off
Lit red
Lit red
Flashing
red
Flashing
red
* The letters “USB” scroll on the display.
USB B
PC
USB B
1
2
5
4
3
67
9
8
10
11
12
MEMORY

8
If the problem persists, please contact your nearby PLUS Corporation sales ofce, dealer, or store.
SPECIFICATION
2-4. Meaninig of Error Messages
If any of the following ashing indications appear in the display window of the control
panel, please check the matters described below.
Error messages ash for 5 seconds, then stop ashing, remaining lit.
Problem and Solution
• Is the printer cable connected?
• Is power being supplied to the printer?
• When the printer uses an AC Power Ada-
pter, is the cable disconnected somewhere?
• Has paper been set in the printer?
•
Is the printer error indicator ashing (or lit)?
• Is the USB Memory unformatted.
• Is a USB Memory that is not supported
by the Copyboard being used?
•
An error occurred during USB Memory st-
orage.
•
There is a lighting fault of the reading light
source, or a read signal error.
• The operation is set to “Disable” in the
security settings.
• There is a Memory or internal fault.
• Coloring printing is set to “Disable”.
• USB Memory device is not plugged
into the Main Unit.
• There is no available space.
•
A printer that is not supported by the
Copyboard has been connected.
•
Did you press the ON/Standby button while
the USB Memory device was plugged into
the Main Unit?
• A USB Memory device is plugged into the
main unit. When the USB Memory device
is disconnected, the power will be switched
off and the unit will enter the standby mode.
• An error has arisen when setting the
time.
•
Unplug the power plug from the power
outlet and then plug it in again.
• Unplug the power plug from the power
outlet and then plug it in again.
•
Change the setting of the desired item to
“Enable”.
• Connect the LAN cable properly.
•
Input the correct user name and password.
• No cable is connected to the LAN terminal.
• The user name or password is wrong.
• The FTP server’s IP address is wrong.
• There is no FTP storage folder.
• An error other than one indicated by L1
to L4 has occurred.
• An error has occurred in resetting the
network settings.
• This occurs when the size of the inserted
image is too large.
• Consult the network administrator then
set the FTP server’s IP address.
• Consult the network administrator then
set the FTP storage folder.
• Unplug the power cord from the power
outlet then plug it back in.
•
The network reset number is wrong. Input
the correct number and repeat the operation.
• Adjust the image then repeat the operation.
operation.
• C hange the color printing setting to “Enable”.
• Plug the USB Memory device into the
USB port.
•
Please delete unnecessary data using
a personal computer.
•
Start setting the date/time over from
the beginning.
•
Press the ON/Standby button and switch off
the power. When a record is required, switch
on the power and save to USB Memory.
• Is the USB Memory device plugged in fully?
• Is the USB Memory damaged? —
• This unit supports the FAT and FAT 32
formats. Perform the formatting with
the personal computer.
•
The le formats for USB memory devices
that can be used on this copyboard are
FAT and FAT32.
• Please check the operation with a
personal computer.
•
Please perform USB Memory storage again.
• Do not insert or remove the USB Memory
during processing.
Printer not conne-
cted No printing
paper Printer
problem
USB Memory
not recognized
USB Memory
storage problem
Reading problem
System error
USB Memory not
connected
USB Memory is full
Security protection
Color printing
prohibited
LAN cable discon-
nected
FTP server recog-
nition error
FTP server conne-
ction failure
Network settings
reset errorfailure
8
Header/footer
writing errorfailure
FTP server writing
failure
IP address not set,
other network error
Time setting error
When the “USB” letter
display is flowing...Warning
that disconnection of USB
Memory has been forgotten
An unsupported
printer is conne-
cted
• Connect the printer properly and sw-
itch on the printer power.
•
Turn the power of the printer off and th-
en on again, and load the printer with
A4 or Letter size paper.
• Read the printer instruction manual.
Error Display Number
NF-20

9
By checking operations, it is possible to carry out judgments on malfunction to a certain extent. Carry out the following
checks before disassembling the equipment.
1. Press the Standby (On) button and turn on the power.
Is the power turned on?
2. Press the Scroll / Stop button.
Does the sheet operate normally?
3. Press the Color print / B/W Print button (when a printer is used).
Does the error display (E1) appear?
4. Press the Save button (when a USB Memory is used).
Do the error displays (E2, E3 and US) appear?
5. Conrm the Main board Assy and LAN Port, (RJ-45), LED display. (During network connection)
*The LED (green, orange) of a LAN port can be conrmed when you remove the cable cover of a main board.
The current communication state can be grasped by conrming the LED.
Is the object written in the board printed normally?
Is the object written in the board stored normally?
Does the Error display appear?
Flashing indicator keeps "rotating" sequentially.
No →
No →
No →
No →
Yes →
Yes →
Yes →
Yes
Yes
Yes
Yes
Normal operation
No
No
No
• The AC Adapter is disconnected from the wall outlet.
• The AC Adapter is defective.
• The Main Board Assy DC jack part is defective.
• The SW Board Assy is defective.
• The connectors of the SW Harness is disconnected.
• The connectors of the Motor Harness is disconnected.
• The loser of the Timing Belt, the slack.
• The Sheet Motor Unit is defective.
• The Main Board Assy is defective.
Printer failure. (See section 2-4. Error display.)
• The printer is defective. (See the Instruction manual of a printer.)
• The power of a printer is not turned on.
• Printer paper is exhausted.
• A Printer is not connected denitely.
• The Main Board Assy is defective.
Error display: E2 is displayed. (See section 2-4. Error display)
• A USB Memory is not formatted.
• An incompatible USB Memory is used.
• A USB Memory is defective.
• A USB Memory port is defective.
Error display: E3 is displayed.
• Memory storage error: Repeat save operation again.
• The Main Board Assy is defective.
A part of image is displayed black.
• The Main Board Assy is defective.
• The white level calibration is adjustment.
• Misalignment of CIS Unit: Replace the CIS Unit for improvement.
• Foreign matter adheres to the CIS Unit.
An image (print) is rubbed.
• Deterioration of CIS Unit.
• The marker (written character) becomes blurred.
• The ink cartridge (Drum Unit) is exhausted.
A specic color is not printed or the printed color is improper (when a color printer is used).
• The ink of a printer is exhausted.
• The ink cartridge of a printer is defective.
black line is put in a picture.
• Foreign matter adheres to the CIS Unit.
• The CIS Unit is defective: Replace the CIS Unit for improvement.
An image is rubbed.
• Deterioration of CIS Unit.
• The marker (written character) becomes blurred.
•
When a network can be connected normally → Green blinks, Orange Off (During 10Base-X)
• When a network can be connected normally → Green blinks, Orange Lit (During 10Base-X)
• When a network cannot be connected
→Green Off, Orange Off (During non-connection
such as disconnection the LAN cable)
The error display (E5) appears. (See section 2-4. Error display)
• The Main Board Assy is defective.
• The Main Board Assy is defective.
• The SW Board Assy is defective.
3.TROUBLE SHOOTING
Orange Green

10
4-1. Tools Required
• Phillips screwdriver (+) No. 2
• Phillips screwdriver (–)
4-2. Caution
• See “1. Compliance of Safety Repair and Safety Inspection” before disassembling and assembling.
• Put on gloves so that you do not cut your hand at the sharp edge of a frame during disassembly and assembly.
• See “7. Wiring Diagram” and “8. Parts List” for the parts name or wiring.
• The point especially requiring attention when handling parts or performing disassembly and assembly contains a
caution. Be sure to follow this caution.
4-3. Disassembly and Assembly Procedures
4.DISASSEMBLY AND ASSEMBLY
START
Sheet Frame Unit
Frame CAP
USB Board
Panel Side (L) Panel Side (R)
Back Panel
Switch Board
CIS Unit
Panel Front
Panel Rear (U)
Panel Rear (L)
Sheet Motor Unit
Main Board Assy
Endless Sheet

11
4.4. Disassembly and Assembly
This section describes one example of disassembly and assembly procedures. For the actual operation, disassemble
and assemble the required parts with reference to “4-3. Disassembly and Assembly Procedures”.
* Remove the main set from the stand and proceed with the Endless Sheet. (Perform the operation on a mat.)
* Remove the Pen Tray before performing the procedure below.
1) Remove the Main Board Assy. (See Figs. 1 and 2.)
1.Remove the”S-1" screw shown in the figure 1 and then
remove the Cable Cover.
2.Remove the”S-3" screws shown in the figure 2 and then
remove the Main Board Shield.
Note: If a screw is tightened too tightly, a screw hole may be
broken.
3.Disconnect the connector (CN1,2,3,6) connected to the
Main Board Assy shown in the gure 3.(See Figs. 3 and 4,5.)
4.
Remove the”S-1" screws shown in the figure 4 and then
remove the Main Board Assy from the Main Board Shield.
5.When replacing the Main Board Assy shown in the gure 5,
insert the Main Board Assy from the oblique direction so
that the parts mounted at the rear of the Main Board Assy
are not damaged.
Fig.1
Fig.4
Fig.2
Fig.3
Fig.5
DISASSEMBLY AND ASSEMBLY
Cable Cover
S-1
Main Board Shield
S-3
CN1
CN2
CN3
CN6
Main Board Assy
S-1
Main Board Assy

12
3) Remove the Frame Cap. (See Fig. 9.)
1.Remove the “S-2” screws shown in the figure 9 and then
remove the Frame Cap.
4) Remove the Panel side L. (See Fig. 10)
1.Remove the “S-4” screws shown in the gure10.
Disconnect the connector connected to the Switch Board
and then remove the Panel Side L.
DISASSEMBLY AND ASSEMBLY
Fig.7
Fig.10
Fig.8
Fig.6
Fig.9
2) Remove the Frame Cap PC. (See Fig. 6.)
1.Remove the “S-2” screws shown in the gure 6 and then
remove the Frame Cap PC.
2.Disconnect the connector connected to the USB Board
shown in the gure 7.
3.Remove the “S-3” screws shown in the gure 8 and then
remove the USB Board.
Note:Fix an insulating sheet to the screws when installing the
USB Board Cover.
S-2
Frame Cap PC
USB Board CN1
USB Board Cover
USB Board
S-3
USB Board Cover
Frame Cap
S-2
S-4
S-4
Panel Side L

13
7) Remove the SW Board. (See Fig. 13.14)
1.Remove the SW Panel shown in the gure13.
2.Remove the Connector
3.Slide the white protrusion (resin) at the rear of a SW Panel
from the top of the SW Panel surface to the bottom while
pushing it with fingers.
6) Remove the Back Panel. (See Fig. 12)
1.Slide the Back Panel and remove it shown in the gure 12.
5) Remove the Panel Side R. (See Fig. 11)
1 Remove the “S-4” screws shown in the figure 11 and
then remove the Panel Side R.
DISASSEMBLY AND ASSEMBLY
Fig.13
Fig.12
Fig.14
Fig.11
S-4
S-4
Panel Side R
Back Panel
SW Panel
USB
NF-20
Printer
ON/Standby
Scroll/Stop
Color Print
B/W Print
Setup
Single
Double
Number of Copies
Save
Network
Status
pushing
slide
protrusion
SW Board
コネクタ
印刷設定
印刷枚数

14
DISASSEMBLY AND ASSEMBLY
Fig.17
Fig.15 Fig.16
Fig.19 Fig.20
Fig.18
8) Remove the CIS Unit. (See Fig. 17.18)
1.Disconnect the CIS Cable (FFC), shown in the gure 17, from a connector.
2.Remove the “S-2” screws shown in the gures18 and 19 and then remove the CIS Unit.
* At that time, operate while holding it with hands so that the CIS Unit does not fall.
Pay attention to the top and bottom when installing the CIS Unit.
* The CIS Unit with a CIS Support (see Fig. 20) is located in the upper position.
* When a CIS Unit is replaced, be sure to perform White level calibration.
See page 19 3.White level calibration
4.Remove the “S-3” screws shown in the figure
15 and then remove the SW Board.
Note: Pay attention to the wire drawing of the SW Cable
during assembling.
1.Put the protrusion from the bottom of the SW Panel when
returning the SW Panel to the former position.
2.Slide the protrusion in the direction indicated by the arrow.
3.Conrm that the hook of the SW Panel is completely put in
the notch of the Panel Side (L).
S-3
SW Board
Hook
USB
NF-20
USB
Printer
ON/Standby
ON/Standby
Scroll/Stop
Color Print
B/W Print
Setup
Single
Double
Number of Copies
Save
Network
Status
Printer
Status
CIS Unit
CIS Cable
CN1
S-2
S-2
CIS Support

15
10) Remove the Panel Front Lower and Panel Rear Lower
(See Fig. 22)
1.
Remove the “S-4” screw shown in the gure 22 and
then remove the Panel Front Lower and Panel Rear Lower.
DISASSEMBLY AND ASSEMBLY
Fig.22
Fig.21
9) Remove the Panel Front Upper and Panel Rear Upper. (See
Fig. 21)
1.Remove the “S-4” screws shown in the gure 21 and then
remove the Panel Front Upper and Panel Rear Upper).
S-4
Panel Front Upper
Panel Rear Upper
Panel Front Lower
Panel Rear Lower
S-4

16
DISASSEMBLY AND ASSEMBLY
Fig.25 Fig.26
11) Replace the Endless sheet.
1.Remove the “S-2” screws shown in the gure 23.
2.Remove the Panel Plate shown in the gure 24.
3.Remove the stopper “S-4” screws in the (two upper and lower)
Tension Roller Bases shown in the gure 25.
4.Push the Tension Roller Base block shown in the gure 26 into the inside and x the Tension Roller Bases.
Notes:
• Be careful not to damage or fold it when handing the Endless Sheet.
• Replace it by two persons during replacement of the Endless Sheet.
Fig.24Fig.23
S-2
S-2
Panel Plate
Te nsion Roller Base
S-4
For locks
Endless Sheet
Tension Roller
Hooks
Direction of movement
A level difference is found when you touch the
joint
of a sheet from the direction indicated by
an arrow.
Install while paying attention to the
joint direction of
a sheet welded part.
level difference

17
DISASSEMBLY AND ASSEMBLY
Fig.27
12) Replace the Sheet Motor Unit. (See Fig. 27)
1. Remove the “S-4” screws shown in the gure 27.
2. Disconnect the connector of the Sheet Motor Unit.
Note: Be careful not to interfere with the Sheet Guide Bar
when installing the Sheet Motor Unit.
*Doing so causes vibration or strange noise to occur.
S-4
CN2
Sheet Motor Unit
Sheet Motor Unit
Sheet Guide Bar

18
5. ADJUSTMENT
5-1. Calibration
[Calibration]
[Preparation]
Enter a vertical line (black) between the upper and lower ends of an Endless Sheet.
* Clean the (both sides of) endless sheet and then perform calibration.
[Calibration mode]
• Insert the plug of an AC Adapter into the main set so as to apply an electric current (in the Standby state).
• Press the Save button three times while pressing and holding the Power (ON/Standby) button.
Segment display in test adjustment mode: <AP>
• Press the Feed/Stop button. Segment display: “01”.
• Press the Save button.
• Segment display appears when the Endless Sheet rotates for normal termination: <AA>
1) Calibration is started, ·······························································<1. >
2) Initialization,··············································································<1.0>
3) The rst vertical line is being detected,····································<1.1>
4) The vertical line after one cycle is being detected,···················<1.2>
5) When no vertical line can be detected, and······························<1.2.>
6) When calibration succeeds·······················································<AA >
Calibration is required in the following cases.
• When a Main Board Assy is replaced
• When an Endless Sheet is replaced
• When a Sheet Frame Unit is replaced
For the replacement of a CIS Unit in the market, usually, use a unit that has been adjusted at a factory.
* Be sure to replace the CIS Unit if any failure is not improved irrespective of white calibration readjustment when it
occurs in an image.
A bar(Black)
Cleaning place
Cleaning place

19
5-2. Changing the Internal Program of NF-20 Main Set
[How to rewrite program using PC]
Equipment used
1) Firmware data for NF-20
2) PC main set (OS: Windows XP/Windows Vista/Windows7)
3) USB Cable
1. Connect the PC and Copyboard main set using a
USB Cable.
2. Insert the plug of an AC Adapter into the DC jack of
the Copyboard main set and turn on the power.
3. A screen appears when the Copyboard is recognized
as a removable disk.
If any screen is not opened, open the removable
disk of the Copyboard using Explorer.
5. The display window of the Copyboard main set automatically changes to “UP” blinking display.
6. Press the Save button. The display window changes to rotation display. A program then begins to be rewritten.
7. Rewrite operation is completed when the display window changes to “AA” blinking display.
8. Pull out the plug of the AC Adapter once, turn on the power gain, and then conrm the version of rmware in a
test mode.
4.
Copy the firmware data “PX13H_NF20_XX_XX.
brm”,
to be updated, to the removable disk. (Drag
& Drop)
ADJUSTMENT
File Edit View Favorites Tools Help
Back Search Folders
D:
/
Address Go
Removable Disk(D)
setup
Make a new folder
Publish this folder to the web
Share this folder
File and Folder Tasks
Other Places
Details
My Computer
My Documents
Shared Documents
My Network Places
File Edit View Favorites Tools Help
Back Search Folders
D:
/
Address Go
Removable Disk(D)
setup
Make a new folder
Publish this folder to the web
Share this folder
File and Folder Tasks
Other Places
Details
My Computer
My Documents
Shared Documents
My Network Places
UPIC
Recycle Bin
UPIC
Tounch&Draw
Adobe Reader
9
paint
PX,8L_01_...
Start Remoyable Disk (D:) 2:15 PM
EN

20
ADJUSTMENT
5-3. Test mode
1. Program version display
• Insert the plug of an AC Adaptor into the main set to apply the electric current (in the Standby state).
• Press the Save button three times while pressing and holding the Power (ON / Standby) button.
Test / adjustment mode segment display: <A.P>
• Press the (Feed / Stop) button three times. Segment display: <03>
• The segment display changes every time you press the Save button.
The rst : Application major version
The second : Application minor version
The third : Boot loader major version
The fourth : Boot loader minor version
The fth : Switch major version
The sixth : Switch minor version
The seventh : Date setting: US: North America: EU: Other than North America
The eighth : Result indication: (Blinking) <AA> : Success <EE> : Failure
* To terminate the segment display, press the Power (ON / Standby) button two times and set the display
window to <01>.
2. Printer test mode
• Insert the plug of an AC Adaptor into the main set to apply the electric current (in the Standby state).
• Press the Save button three times while pressing and holding the Power (ON / Standby) button.
Test/adjustment mode segment display: <A.P>
• Press the Feed / Stop button eight times. Segment display: <08>
• Press the Save button.
• Segment display appears after conrming a printing result: <AA> blinking
• Press the Power (ON / Standby) button. The current state returns to test mode <A.P>.
* A test pattern (based on color-bar dot display) of yellow, magenta, cyan, and black is printed when a color ink jet
printer is connected.
3. White level calibration
Preparation
1. Clean the four-measure area on the left of an endless sheet.
2. Feed the endless sheet manually in the left direction by about three measures.
• Insert the plug of an AC Adaptor into the main set to apply the electric current (in the Standby state).
• Press the Save button three times while pressing and holding the Power (ON / Standby) button.
Test / adjustment mode segment display: <A.P>
• Press the (Feed / Stop) button sixteen times. Segment display: <16>
• Press the Save button.
• Segment display: <AA> blinks. (Completion)
• Press the Power (ON / Standby) button. The current state returns to test mode <A.P>.