DM3920 ServiceManual

DM3920

Service Manual

Issue: 2010-10-22

NetScan 4000 Service Manual

ii

Contents

1. INTRODUCTION ....................................................................................................................................... 1-1

1.1 GENERAL NOTES FOR SERVICING ...................................................................................... 1-1

2. SPECIFICATION ....................................................................................................................................... 2-1

2.1 SPECIFICATION .................................................................................................................... 2-1

3. PRECAUTIONS/UNLOCKING/ TRANSPORTATION ............................................................... 3-1

3.1 PRECAUTIONS OF INSTALLATION ...................................................................................... 3-1 3.2 UNLOCKING THE PRODUCT ........................................................................................ 3-1 3.3 TRANSPORTATION ............................................................................................................... 3-2

4. THEORY OF OPERATION ..................................................................................................................... 4-1

4.1 INTRODUCTION .................................................................................................................... 4-1 4.2 MAIN CONTROL UNIT ......................................................................................................... 4-2

5. TROUBLESHOOTING .............................................................................................................................. 5-1

5.1 TROUBLESHOOTING FLOWCHART ....................................................................................... 5-2 5.2 TABLES ................................................................................................................................. 5-7 5.3 ACCESSING THE FAX SERVICE MODE .............................................................................. 5-20

6. DISASSEMBLY ........................................................................................................................................... 6-1

6.1 SERVICE TOOLS ................................................................................................................... 6-1 6.2 LUBRICANTS ......................................................................................................................... 6-2 6.3 PROCEDURE FOR DISASSEMBLY AND REASSEMBLY .......................................................... 6-4

7. PARTS ............................................................................................................................................................ 7-1

7.1 SPARE PARTS LIST ................................................................. ERROR! BOOKMARK NOT DEFINED.

8. SERVICE MODE ......................................................................................................................................... 8-1

DM3920 Service Manual

1-1

1. INTRODUCTION

1.1 General Notes for Servicing

1.2 General Description

This manual is intended to be used by the maintenance engineers. It describes areas to be maintained, the detailed installation, and the component replacement procedures as well as the main trouble shooting guides. Please take your time to read this manual thoroughly to obtain comprehensive knowledge about the DM3920 before serving the unit.

1.1 General Notes for Servicing

(1) Before trying to disassemble the DM3920, make sure the power supply cord of the

DM3920 is disconnected from the power outlet. Under any circumstance, do not remove from or install the PWBs or connectors onto the DM3920 with the power switch turned ON.

(2) Use caution not to drop small parts or screws inside the unit when disassembling and reassembling. If left inside, they might cause the malfunction of the unit.

(3) Do not pull the connector cable when disconnecting it. Hold the connector.

(4) When carrying PWBs or the scanning head unit, put it in an anti-static bag.

(5) Keep the document table glass surface always clean. If contaminated, use a dry clean cloth for cleaning.

(6) Use caution not to injure your fingers or hands when disassembling or reassembling the unit.


2-1

2. SPECIFICATION

2.1 Specification

2.1 SPECIFICATION

Items Specification

General Specifications

Regulatory Model NetDeliver DM3920

Type A4 Flatbed with 3-pass Duplex ADF

Memory Size System: 128 Mbytes, Image processing:64 Mbytes Scanner Asic: 64 Mbytes

Flash Memory Size 9.5 Mbytes

Light Source Cold Cathode Fluorescent Lamp

Color Output Quality 24 bits Color, 8 bits Gray 4 bits CMYK, 1 bit mono

Optical Resolution 600х600 dpi

Network Connection 10/100 Mbits auto-negotiation

Dimensions (W x D x H) 205x485x475 mm

Weight 10.2 Kgs (FB:6kgs)

Warm Up Time 45 seconds

Power Requirement 24Vdc, 3.2A

Power Consumption Working < 62 W Standby < 30 W Sleep < 20 W

LCD Size 800*480 dots Effective Area: 152.4 * 91.44 mm

LCD Display 7‖ color TFT LCD

LED Indication Power

Alarm

Energy Saving

Copy Port USB 2.0

Power Saving Mode Time to 0ff: 5/15/30/60/240 min

Acoustic Noise Standby ≦ 45dB

Flatbed Scanning ≦ 54 dB

ADF Scanning ≦ 66 dB

Operation Environment 10 ~ 35 degree C, 10 ~ 85% RH

Specification of Flatbed

Dimensions (WxDxH) 480x475x92 mm

Weight 5.93 Kgs

Maximum Scanning Area (Flatbed)

8.5‖ x 11.7‖

Lamp Life More than 10,000 hours

Maximum Document Thickness

13mm


2-2

Specification of Auto Document Feeder

Type U-shape

Capacity 50 sheets (Xerox 4024 DP 20lb paper)

Dimensions (W x D x H) 480x475x205 mm (Flatbed with ADF)

Weight 4 Kg

Document Size Width:5.5‖ ~ 8.5‖

Length: 5.5‖ ~ 14‖

Paper Feed Face Up

Paper Weight 16 lb ~ 28 lb (60g/m2 ~ 105 g/m2)

(0.002‖~0.006‖)

Recommended Daily Scans

Up to 1,000 pages a day

Specification of Copy

Copy Port USB 2.0 Host Rev 2.0

Printer Language PCL5c. PCL5e

Multi-Copy Speed

Speed mode

32 CPM(type B) (copies per minute)

Multiple Copies(Copy count)

Up to 99

Copy Print Resolution 600 x 600 dpi

Original Size Up to Legal(ADF)

Copy Size Up to Legal

Density Control 1~7 levels

Variable 25% ~ 400%, in 1% increments

Paper Supply A4, Letter, A5, B5, Legal

Scaling Option

100%(Default)

70% (A4->A5)

78% (Legal->Letter)

86% (A4->B5)

115% (B5-> A4)

127% (Letter-> Legal)

141% (A5-> A4)

98% (Fit to Page)

Edge Erase 0/ 6/ 13/ 19/ 25 mm

Margin Shift (right, bottom)

0/ 6/ 13/ 19/ 25 mm

Paper saving(N-Up) 1 in 1, 2 in 1, 4 in 1 (landscape), 4 in 1 (portrait)

Collate Sort/Stack

Duplex 1–1 / 1-2 / 2-1 / 2-2

Orientation for Duplex Long Edge to Long Edge, Long Edge to Short Edge, Short Edge to Long Edge, Short Edge to Short Edge


2-3

Network Specification

Configuration Requirement 1. IP address 2. Subnet mask 3. Gateway 4. SMTP server/POP3 server 5. FTP server 6. Web server

E-mail Specification

Protocol SMTP, MIME,

Mail Sever Authentication SMTP-AUTH, POP3

File format

B/W (single bit)

Gray (8 bit)

Color (24 bit)

PDF, TIFF, M-TIFF

PDF, JPEG, TIFF, M-TIFF


Compression Method

B/W

Gray

Color

RAW, G3, G4

JPEG

JPEG

Compression Level Low / Medium / High

Supported Resolution 75, 100, 150, 200, 300, 400, 600 dpi

Default Resolution 200 dpi

Address Book Capacity Max. Address

Group No. of Address in Each Group

2000 100 99

Multiple Recipients allowed Yes

Supported Mail Server Lotus Mail Server 5.0 MS Exchange Server 2000/2003 RedHat 7.0 SendMail MAC Mail Server in OS 9.04

Supported LDAP Server Windows 2003 Active Directory with SFU( Service for Unix) Windows Server 2000 + MS Exchange 5.5 Lotus Notes R5

Supported Mail Application Microsoft Outlook 2000 Microsoft Outlook Express 5.0 Microsoft Outlook Express 6 Eudora 4.3.2J Lotus Notes R5 MAC built-in MAIL Application


2-4

Fax Specifications Compatibility ITU-T G3 (ECM)

Modem Speed 33.6K

Resolution Receive(dpi): 200x100, 200x200, 200x400 dpi Send(dpi): 200x100, 200x200

Compression MH, MR, MMR

Transmission Speed Approx. 3sec.(*1)

Page Memory 2.0 MB in Flash

Speed Dial 200 sets

Error Correction Mode Yes

Contrast Control 7 Levels

Monitor Speaker Yes

Busy Tone Detection Yes

Redial Automatic / Manual

Immediate Transmission N/A

Memory Transmission Yes

Specification of Filing

Protocol FTP, HTTP, HTTPS, CIFS

File format

B/W (single bit)

Gray (8 bit)

Color (24 bit)

PDF, TIFF, M-TIFF



Compression Method

B/W

Gray

Color

Raw, G3, G4

JPEG

JPEG

Compression Level Low / Medium / High

Supported Resolution 75, 100, 150, 200, 300, 400, 600 dpi

Default Resolution B/W: 200 dpi

Gray: 200 dpi

Color: 200 dpi

Most Used Folders 5

No. of Filing Folders 50


3-1

3. PRECAUTIONS/UNLOCKING/ TRANSPORTATION

3.1 Precautions of Installation 3.2 Unlocking the Product 3.3 Transportation

3.1 Precautions of Installation

Pay attention to the following matters before unpacking and installation. Do not install in a place where vibration may occur.

Keep the DM3920 out of direct sunlight. Do not install near a heat source.

Do not place the DM3920 around materials which shut off the circulation of air.

Do not install in a humid or dusty place.

Use care not to scratch the glass surface of the DM3920 or the document holding pad with a clip or staple.

Do not use the wall socket with connecting devices which may generate noise, for example, air-conditioner, etc.

Use a suitable AC power source.

Place the DM3920 on a level surface.

3.2 UNLOCKING THE PRODUCT

The scan unit is locked during transport to protect the scanning mechanism from being

damaged. Be sure to unlock the scan unit before using the machine.


3-2

1). Open the document cover.

Locate the lock switch at the

left side.

2). Move the lock switch to the “unlocked position”.

3.3 TRANSPORTATION

To move the DM3920 from where it is installed, for repair or any other reason, make sure to observe the following conditions:

(1) Turn off the power of the DM3920.

(2) Remove the power cable.

(3) Put the DM3920 in the packing case with the packing material.

―Locked Position‖

―Unlocked Position‖

“Unlock Position”

The scanning unit at this position before locking the scanner

Document Cover


4-1

4. THEORY OF OPERATION

4.1 Introduction 4.2 Main Control Unit

4.1 Introduction

Theory of Operation

The reflected rays of your original as shown in the above figure pass through the lens and create an image on the CCD (Charged Coupled Device). Then, according to the different light intensity perceived by the CCD, the CCD will transfer these data into a series of analog signals to the main board, where the signals are turned into digital signals. The digital signals flow to the image processor and store into the CPU (Central Processing Unit). Through the commands from the Control Panel, the digital signals may goes to 1284 Controller to printer to make copies or to RJ-45 to the SMTP or filing server to send an email or store an image. Or, the digital signals may goes to RJ-11 to modem to send a fax to a G3 fax machine.

Main Board

1 0 0 1 0

Cold Cathode

Lens CCD

Analogue Signal

Digital Signal

Fluorescent Lamp

Image Processor

CPU

Reflected Rays

USB Host VT6212

CPU

Panel / LCD

Ethernet RJ-45

Email Filing

Printer

SMTP /Filing Server

Copy

ASIC

Fax

PC Scan

Fax Modem

USB Device

RJ-11


4-2

4.2 Main Control Unit

4.2.1 System Diagram

The following shows the system block diagram.

AFE

MIPS CPU

300Mhz

Flash(loader)

0.5MB

PCscan/print

7" LCD +

Touch

Screen

Motor

AC

inverter

CC

FL

FPGA

Flash

8MB

Scanner

Controller

ASIC

D1:125MHz

DMA

15MHz

50MHz

25MHz

Buffered

A/D Bus

PCI bus

DDR

64MB*1

16 bit

100MHz33MHz

USB2.0

HostPrinter

10/100Mb

NET1

RJ45 EtherNet

16 bit

8 bit

16 bit

8 bit

32 bit

16 bit

24MHz

SDRAM

32MB*4

25MHz

Touch panel

& LED

LVDS Transmitter

UIA78 : Panel board

LCD Controllor

USB 2.0 Device

Ctrl.

Image

Processor

VM800

124MHz

Counterfeit

96MHzB

uff

er L

VC

24

5/2

44

8051

TCD2914

CBA307 : FB CCD board

IF53

Dualplex ADF

Motor

Clutch

Solenoid

Sensor

LVDS TX/RX

FAX board

33.6k

RJ11 Phone

RJ11 Line16 bit

16 bit

Netdeliver @V2800 : System Block Diagram

SDRAM

32MB*2

SDRAM

2MB

Flash(loader)

0.5MB

ZDMA

16 bit

XDMA

16 bit

16bit video

Flash

0.5MB

SB102

12MHz

16 bit

A/D Bus

Hub

controller25MHz

RJ45 Printer


4-3

4.2.2 Video Circuit:

The video circuit of this DM3920 includes: 1. CCD driving circuit and motor control signal 2. CCD signal processing circuit. 1. CCD Driving Circuit & Motor Control Signal The CCD driving circuit is used to generate correct signals to the CCD, so that the CCD may generate the correct image data.

Signals for CCD: Pin Assignment for CCD cable

OS3 Signal Output 3

(red) OS2 Signal Output 2 (green)

SS Ground OS1 Signal Output 1 (blue)

CP Clamp Gate OD Power

RS Reset Gate 1D Last stage transfer

Colock D (phase 1) for

B/W

B Last stage transfer

Clock B for Color

2A2 Clock A2(Phase 2) for

Color

C Last stage transfer

Clock C for Color 1A2

Clock A2(Phase 1) for

Color

NC Non Connection SS Ground

SW Switch Gate for

Color or B/W 2D

Clock D(Phase 2) for

B/W

2A1 Clock A1(Phase 2)

for Color 1D

Clock D(Phase 1) for

B/W

1A1 Clock A1(Phase 1)

for Color SH3 Shift Gate 3 for B/W

SH1 Shift Gate 1 for

Color SH2 Shift Gate 2 for B/W


4-4

2. CCD signal processing circuit

CDS

CCD Signal Processor

CDS

CDS

PGA

PGA

PGA

CCDMUX ADC

R

G

B

Dout

The CCD signal processor includes all the necessary circuitry to perform three-channel conditioning and sampling. The signal chain consists of three-channel correlated double sampling (CDS) and programmable gain adjustment of the CCD output (PGA) is a 16 bit analog to digital converter (ADC) quantizes the analog signal. * PGA: Programmable gain amplifier


4-5

4.2.3 Panel and LCD Module Circuit

The circuit for Panel and LCD module controls the function of the entire module including the LCD Display, the push button on the Control Panel, and LED display.

Pin assignment of LCD module

Pin No. Name Function

1 VCC Power Supply for Digital Circuit

2 VCC Power Supply for Digital Circuit

3 GND Ground

4 GND Ground

5 RxIN0- Differential Data Input, CH0(Negative)

6 RxIN0+ Differential Data Input, CH0(Positive)

7 GND Ground



10 GND Ground



13 GND Ground

14 CKIN- Differential Clock Input (Negative)

15 CKIN+ Differential Clock Input (Positive)

16 GND Ground

17 VDD Power Supply for LED Driver Circuit

18 VDD Power Supply for LED Driver Circuit

19 GND Ground

20 ADJ Brightness Control for LED B/L


4-6

4.2.4 Fax Modem Interface

Pin Signal Label I/O

Type1

Interface3 Pin Signal Label I/O

Type1

Interface3

1 RESERVED — NC 51 RESERVED — NC

2 RS2 IA HOST Interface 52 VSUB GND —

3 RS3 IA HOST Interface 53 VSS GND —

4 RS4 IA HOST Interface 54 NC — NC

5 /CS IA HOST Interface 55 NC — NC

6 /WR IA HOST Interface 56 Sleep MI Modem Interconnect

7 /RD IA HOST Interface 57 VDD1 PWR — 8 /RDCLK OA

DTE

Serial Interface 58 NC — NC

9 /RLSD OA DTE

Serial Interface 59 RESERVED — NC

10 TDCLK OA DTE

Serial Interface 60 RESERVED — NC

11 TXD IA DTE Serial Interface 61 SR1IO MI Modem Interconnect

12 /CTS OA DTE Serial Interface 62 VCORE PWR — 13 VDD1 PWR — 63 VDD1 PWR — 14 RESERVED — NC 64 XTCLK IA

DTE

Serial Interface

15 RESERVED — NC 65 VSS GND — 16 VSS GND — 66 RESERVED — NC 17 NC — NC 67 RXD OA DTE Serial Interface

18 /RESET IA Modem Interconnect 68 /DTR IA DTE

Serial Interface

19 SR4OUT OA Modem Interconnect 69 VDD1 PWR — 20 NC — NC 70 IA_SLEEP MI Modem Interconnect

21 SR4IN IA Modem Interconnect 71 VGG PWR —

22 CLK_OUT OA Modem Interconnect 72 YCLK OA Overhead Signal

23 EYESYNC OA Diagnostic Signal 73 XCLK OA Overhead Signal

24 EYECLK OA Diagnostic Signal 74 EYEXY OA Diagnostic Signal

25 MAVSS GND — 75 /DSR OA DTE

Serial Interface

26 MAVDD PWR — 76 /RI OA Telephone Line

Interface

27 SPKR O(DF) Telephone Line Interface 77 RINGD IA Telephone Line

Interface

28 TXA2 O(DD) Telephone Line Interface 78 /RTS IA DTE Serial Interface

29 TXA1 O(DD) Telephone Line Interface 79 IRQ OA HOST Interface

30 VREF MI Modem Interconnect 80 VSS GND —

31 VC MI Modem Interconnect 81 GP00 MI Modem Interconnect

32 RIN I(DA) Telephone Line Interface 82 RESERVED — NC 33 MAVSS AGND — 83 RESERVED — NC 34 /POR IA Modem Interconnect 84 VDD1 PWR — 35 RESERVED — NC 85 XTALI/CLKIN I Overhead Signal

36 RESERVED — NC 86 XTALO O Overhead Signal

37 /TALK O(DD) Telephone Line Interface 87 D0 IA/OB HOST Interface

38 VDD PWR — 88 D1 IA/OB HOST Interface

39 RESERVED — NC 89 D2 IA/OB HOST Interface

40 RESERVED — NC 90 D3 IA/OB HOST Interface

41 NC — NC 91 D4 IA/OB HOST Interface

42 M_CNTRL_SIN IA Modem Interconnect 92 VDD1 PWR —

43 M_CLKIN IA Modem Interconnect 93 D5 IA/OB HOST Interface

44 M_TXSIN IA Modem Interconnect 94 D6 IA/OB HOST Interface

45 M_SCK IA Modem Interconnect 95 D7 IA/OB HOST Interface

46 M_RXOUT IA Modem Interconnect 96 RS0 IA/OB HOST Interface

47 M_STROBE IA Modem Interconnect 97 RS1 IA/OB HOST Interface

48 RESERVED — NC 98 PLL_VDD PWR —


4-7

49 OH O(DD) Telephone Line Interface 99 VSS GND —

50 VDD PWR — 100 PLL_GND GND —

4.2.5 Sensor Input

The sensor input includes home position sensor.

Home position sensor

The home position of the carrier motor is detected by photo sensor. The photo transistor transmission to the photo sensor receiver circuit is shown below.

Home position sensor

The home position is detected when the carrier passes between the LED and the photo transistor.

4.2.6 Sub Power Supply Circuit

The sub power supply circuit is provided for the internal analog circuit. Input is 24V and output is Vcc and +5Va. The circuit configuration is shown below:

The sub power supply is used for: A/D, and logic circuits.

Switching

Regulator +24V

+1.5V

+2.5V

+1.25V

+1.8V

+ 3.3 V

+ 32V

+ 16V

Linear

Regulator +24V

+12V


4-8

4.2.7 Power Supply

In this system, there is only one type of power supply. Please see the following table for details.

Power Adapter

Type Characteristic

Wall-mount

Input voltage range 100-240V

Input current(max.) 1.0~1.7A

Input frequency 50-60Hz

Output voltage +24Vdc

Max. load current 3.2A

Output Wattage 76.8W


5-1

5. TROUBLESHOOTING

5.1 Troubleshooting Flowchart 5.2 Tables 5.3 Accessing the Fax Service Mode

This section is given to locate and resolve the causes of troubles so as the DM3920 is always in good working condition. The trouble modes, relevant units and maintenance methods are described below.

When a problem occurs, troubleshoot the problem according to the symptoms it shows.

Check the following first:

1. Is anything operating improperly?

2. Does the problem recur, or is it regular?

Figure 6.1 to Figure 6.6 show the troubleshooting flowcharts.

The causes and maintenance methods for each failure mode are described in Table 6.1 through 6.8


5-2

5.1 Troubleshooting Flowchart

5.1.1 Power on to DM3920 Ready

Figure 6.1 Power on to DM3920 ready

Power on

LCD shows

Warming up

Message

No

Yes

See Table 6.1 or Table 6.7

LCD shows

Default working mode


5-3

5.1.2 Copy Operation

Figure 6.2 Copy operation flow chart

Copier online troubleshooting

Check printer online?

Scanning performed

Printing completed

Image not clear

Noises generated

END

No

Yes

Yes

Yes

Yes

Yes

No

No

Yes

No

No See Table 6.2

See Table 6.3

See Table 6.5

See Table 6.6

No See Table 6.4

Press the

Mono/Color

button?


5-4

5.1.3 E-mail Operation

See Table 6.8 Or 6.2.10 Info. Message During Networking 6.2.11 Info. Message During E-Mailing

Yes

Yes

Yes

See Table 6.3 No

No

See Table 6.8 Or 6.2.10 Info. Message During Networking 6.2.11 Info. Message During E-Mailing

Yes

Press the

Mono/Color

button?

Connect SMTP

server and start

scanning?

Send the

scanned image?

Transferring

completed ?

END

No

Figure 6.3 E-mail operation flowchart

No

Email Online Troubleshooting


5-5

5.1.4 Filing Operation

Figure 6.4 Filing operation flowchart

See Table 6.8 Or 6.2.10 Info. Message During Networking 6.2.12 Info. Message During Filing

Yes

Yes

See Table 6.3

See Table 6.8 Or 6.2.10 Info. Message During Networking 6.2.12 Info. Message During Filing

Yes

Filing Online Troubleshooting

Press the

Mono/Color

button?

Send the

scanned image?

Transferring

completed ?

END

No

No

Yes

Connect FTP/HTTP/HTTPS/CIFS

server and start scanning?


5-6

5.1.5 Fax Operation

Yes

See 6.2.13 Info. Message During Faxing

No

Yes

No

Direct-Fax Online Troubleshooting

Press the

Mono/Color

button?

Start scanning?

Dial & connect?

Transferring

completed ?

END

See 6.2.13 Info. Message During Faxing

No

See Table 6-3 No

Yes


5-7

5.2 Tables

The following tables provide detailed troubleshooting information.

Table 6.1 The LCD does not display.

Table 6.2 Printer does not react.

Table 6.3 Optical path dirty or hardware problem.

Table 6.4 Printer does not print.

Table 6.5 Image not clear.

Table 6.6 Noise generated.

Table 6.7 LCD does not show message after command.

Table 6.8 DM3920 is not connected to the network


5-8

5.2.1 LCD DOES NOT DISPLAY

Table 6.1

Cause Relevant Unit

Check Method

Maintenance Method

Unplugged from outlet

None Visual check Insert the AC plug into the outlet

DC power unplugged from unit

None Visual check Insert the DC power adapter cable into the unit

AC voltage failure

None AC outlet voltage check

None

Power adapter output voltage

failure

Power unit Output voltage

(+24v) check

Replace the power unit

PCB failure Main control PCB

Tester check (+24V, GND)

Remove the cause or replace the PCB

LCD module main board connection

failure

LCD module main board

Visual check Plug the connector and secure it firmly

5.2.2 Printer Does not React

Table 6.2

Cause Relevant Unit Check Method Maintenance Method

Printer cable failure

Printer cable Visual check Secure printer cable firmly or replace the printer cable

Main PCB Visual check Replace the PCB

Printer paper jam Visual check Remove paper

Printer link failure

Printer paper empty

Visual check Insert paper

Printer problem Visual check See printer manual

Printer busy Visual check Wait till printer ready


5-9

5.2.3 Scanning Is not Performed

Table 6.3

Cause Relevant Unit

Check Method

Maintenance Method

Scanner cable failure

Scanner cable

Visual check Attach the scanner cable

Scanner link failure

Main PCB Visual check Replace the PCB

Scan Module

Replace the Scan Module

5.2.4 Printer Does not Print

Table 6.4

Cause Relevant Unit

Check Method

Maintenance Method

Select wrong printer

Printer Visual check Make sure the printer information on the LCD display is correct.

Paper size incorrect

Paper tray Visual check Replace paper tray (The paper size being selected is inconsistent between the printer & the DM3920).

Printer problem

Visual check Check printer


5-10

5.2.5 Image Unclear

Table 6.5

Cause Relevant Unit

Check Method

Maintenance Method

Lamp too dark

Lamp Visual check Replace the lamp

Dirt on flatbed glass Flatbed

glass Visual check

Clean the flatbed glass with isopropyl alcohol

Printer toner low

Printer toner Visual check Check printer toner or replace the toner

Printer memory not

enough Printer Visual check

Add printer memory

5.2.6 Noise Generated

Table 6.6

Cause Relevant Unit

Check Method

Maintenance Method

Motor unit failure

Motor unit Replace the motor unit

Replace the motor

Main control PCB failure

Main control PCB

Replace the main control

PCB

Replace the main control PCB

Scanning module failure

Scanning module

Check scanning module

shakiness

Replace the scanning module

Dirt on rail None Visual check Clean the rail with oil


5-11

5.2.7 LCD Does not Show Message After Command

Table 6.7

Cause Relevant unit Check method Maintenance method

LCD module cable failure

Panel cable Visual check Attach the LCD module cable and

secure it firmly

LCD problem LCD PCB Replace the LCD PCB

Replace the LCD PCB

Push button failure

Panel PCB Replace the panel PCB

1. Check the panel cable and secure it firmly.

2. Replace the panel PCB.


5-12

5.2.8 DM3920 is not Connected to the Network

Table 6.8

Cause Maintenance Method

RJ-45 connector is not plugged

in

Plug the connector in.

Network cable is damaged Replace a good one

IP address is invalid Ask your network administrator for a

valid address.

Subnet Mask is invalid Ask your network administrator for a

valid value.

Gateway IP is invalid Ask your network administrator for a

valid address.


5-13

5.2.9 Information Messages During Scanning and Copying

Message Action

Home sensor

error

Restart your product.

If the code still appears, check optical chassis. If optical

chassis is malfunction, replace it.

Lamp error Restart your product.

If the code still appears, check lamp, inverter or main board.

If one of them is malfunction, replace it.

ADF paper jam ADF paper jam.

Open the ADF cover and remove the paper from the ADF

then restart your product.

If the code still appears, check if paper-in sensor, paper-out

sensor, main board, or the AV board is malfunction. If one

of them is malfunction, replace it.

Lock error Scanning unit is locked.

1. Turn off your product.

2. Find the lock switch underneath the machine and unlock

the machine.

3. Restart your product.

If the code still appears, check main board. If main board is

malfunction, replace it.

Check printer

cable or status.

1. Check if the printer cable has been correctly connected.

2. Check if the printer is turn on.

3. Restart the product and your printer.


5-14

5.2.10 Information Messages During Networking

Message Action

The connection has failed.

Please check network settings.

Ping the IP address of the product from another

PC in DOS prompt. For example, type ―Ping

10.1.20.144‖ in Dos prompt. If the product has

no response, then perform the following steps.

1. Check if the RJ-45 connector is firmly

plugged-in.

2. Check the Ethernet cable.

3. Check the product’s IP address.

4. Check the destination IP address.

5. Check Subnet Mask.

6. Check Gateway IP.

The address is invalid.


Network is down.


Network is unreachable.


Connection aborted by the

server.


Connection reset by the server.

Please check network setting.

Connection timed out.

Please check network setting.

Unable to reach the destination

host.


Failed to connect mail server.

Please check network

environment.

Check network environment.

Connection error.

Please check network

environment.

Failed to create socket for

DHCP

Check IP address of DHCP server or contact your

network administrator for further help.

Failed to search DHCP server.

Failed to get IP from DHCP

server.

Failed to renew IP from DHCP

server.


5-15

5.2.11 Information Messages During E-Mailing

Message Action

Sequence error Reboot the machine, and try later. If the error is

still there, contact your network administrator for

further help.

Device internal failure Reboot the machine, and try again. If the error is

still there, contact your network administrator for

further help.

Failed to connect mail server Contact your network administrator for further

help.

Failed to get response from

mail server.

Contact your network administrator for further

help.

SMTP server is empty.

Please specify SMTP server in

User Tools.

Please specify IP address of the SMTP server by

pressing the User Tools button on the panel.

SMTP server address is wrong.

Please check SMTP server.

Check the IP address of the SMTP server.

Unpredicted error Contact your network administrator for further

help.

Insufficient System Storage Contact your network administrator for further

help.

Mail server doesn’t support

SMTP service extension


help.

Mail server doesn’t support

SMTP login authentication.

Contact your network administrator to turn on

SMTP login option.

SMTP login error Check your login user name.

Mailbox Unavailable Check ―To‖ address.

Processing Error Contact your network administrator for further

help.

Temporary authentication

failure


help on mail server’s authentication mechanism.

Choose SMTP authentication for E-mail security

or turn off the mail server’s authentication and

try again.

Command error Reboot the machine, and try again. If the error is

still there, contact your network administrator.

Parameters or argument error 1. Check if the Device Name is valid. The Device

Name can be found in User Tools>General.

2. Check ―From‖ address.

3. Check ―To‖ address.

4. Contact your network administrator for further

help.


5-16

Command parameters not

implemented

Check if the Device Name is valid. The Device

Name can be found in User Tools>General.

Or you may contact your network administrator

for further help.

Authentication requires Contact your network administrator on mail

server’s authentication mechanism.

Choose SMTP authentication for E-mail security

or turn off the mail server’s authentication and

try again.

Mailbox unavailable

Check ―To‖ address.

User not local Check ―To‖ address.

Service unavailable Contact your network administrator for further

help.

Mail server does not support

SMTP service extension.


help.

Exceeded storage allocation 1. Check ―To‖ address.

2. Check mailbox storage allocation.

3. Contact your network administrator for further

help.

Mailbox name is not allowed Check ―To‖ address.

Mail action has not been taken. Check ―To‖ address.

Connection error 1. Check network environment.

2. Check if email attachment size is larger than

the mailbox quota.

The transaction has failed. Contact your network administrator for further

help.


5-17

5.2.12 Information Messages During Filing

Meaning Action

Can not create a

subfolder.

Make sure you have the privilege.

Device internal

failure

Reboot the machine, and try later. If the error is still there,

contact your FTP server administrator.

Failed to connect

FTP server.

Make sure the FTP server is not shut downing and port number

is correct. If the error is still there, contact your FTP server

administrator.

Unpredicted error Contact your network administrator for further help.

FTP login name

error

Check your login name and try again

FTP password

incorrect

Check your password and try again

FTP can’t enter this

directory.

Make sure your have privilege to enter this directory.

FTP can’t check file

existed or not

Make sure your have privilege to browse this directory.

FTP can’t change

data transfer type.

Contact your server administrator for further help.

FTP store file error Make sure your have privilege to store file in the server.

Insufficient storage

space in system.

Check FTP server free storage space and contact your server

administrator.

File name not

allowed.

Change file name to meet naming convention of FTP server’s

OS.

FTP permission

denied.

Check the privilege of your account.

CIFS (User level)

can not make

subdirectory

This account has not right to create new subdirectory.

CIFS Network

share name

incorrect.

Check directory in folder and make sure it follows UNC, such

as \\Computer\Share\directory.

Failed to connect

CIFS

Check if server supports CIFS(SMB) connection.

CIFS Computer

name error

Make sure computer name in the directory is correct.

CIFS dialect

negotiation failed.

This CIFS may not support PC NETWORK PROGRAM 1.0

dialect.

CIFS (User level)

login fail.

Check login name and password and try again.

CIFS fail to create

file.

Make sure you have full control privilege on this network

share.


5-18

CIFS send data

error

Check your network administrator for help.

CIFS failed to send

file attribute.

Make sure you have full control privilege.

HTTP unauthorized This HTTP server needs authorization. Make sure your account

has correct authorization.

Failed to connect

HTTP

Check Server IP and HTTP port. Make sure they are correct.

Or, Check whether that server supports HTTP connection.

HTTP Resource not

found

That server can’t save the files, contact your server

administrator for help.

HTTP Forbidden This action is forbidden in this server. This is not unauthorized

but forbidden.

Unpredicted error Contact your server administrator for further help.

HTTP MKCOL

method not

allowed

Contact server administrator to change permission on this

privilege.

HTTP MKCOL

method not

implemented

HTTP server does not support MKCOL to create directory.

Give up creating a new directory or create directory at server

in advance.

HTTP PUT method

not allowed

Contact server administrator to change permission on this

privilege.

HTTP internal

server error

Contact your server administrator for further help.

HTTP PUT method

not implemented

That server does not implement HTTP PUT method. This

product can’t store file on this server, contact your system


HTTP server

unavailable

Contact your server administrator for help.

HTTP server does

not support HTTP

version 1.1

That server does not support HTTP version 1.1 (the product

uses), contact your server administrator for help.

POP3 server

address is wrong.

Check IP address of POP3.

Failed to connect

POP3 server.

Contact your network administrator for help.

Failed to login

POP3 server.

Check login name and password.

LDAP server login

error

Check login name and password.

LDAP server IP

error

Check IP address of LDAP server. Or contact your network


LDAP port error Check if the port number is correct.

LDAP user

password error

Check if the password is correct.


5-19

5.2.13 Information Messages During Faxing

Message Action

No dial tone (201)

Fax modem has not

detected a dial tone.

If this happens, then you need to stop using an internal line (that is, a line within an office PBX exchange),

and connect directly to an outside line.

Memory full (234)

Press ―Start‖ to send

the pages

successfully scanned

or ―Stop‖ to abort the

job.

Choose a lower

resolution or try to

send fewer pages at

once.

The scanning job is processing, but the memory used to

store the pages is full. Press ―Start‖ to send the pages

successfully scanned or ―Stop‖ to abort the job.

Choose a lower resolution or try to send fewer pages at

once.

Operator cancel

(205)

User has cancelled the job during scanning or

transmission.

Line busy (204)

Fax modem detected

a busy signal.

Waits a few seconds, then try again.

No fax response

(203)

The remote modem

or fax modem has

not answered your

call within the

specified time.

Check the remote fax machine and then try again.


5-20

5.3 Accessing the Fax Service Mode

To access the service mode for the fax function (1) Reboot the machine and press ―2‖ via the numeric keypad.

(2) The screen indicating the service mode is available.

(3) Press the User Tools button on the control panel and then choose Fax Settings. (4) Choose the Option tab and then the Service Mode button to display the Service

Mode screen. The detailed options are described in below.

Service Mode

Settings

Item Description

Activity Report Choose Enable to print a report showing a record of

every 50 communications between the sending and

receiving fax machines. The report may contain the

information and result which is useful to troubleshoot a

particular problem. The default setting is Enable.

Tone/Pulse Sets the fax modem to dial out using Tone or Pulse.

The default setting is Tone.

Fax Header Choose Enable to display fax header including ID#,

date and time, the receiving fax number, and page

index to be shown at top of all outgoing fax. The

default setting is Enable. For many countries, the fax

header is required for a legal fax document.

Attenuator This setting has a range between 0 to 15 dB. It should

be left to its default value of 0 dB. Use this setting

when instructed by a serviceman.

MF Attenuator This setting has a range between 0 to 15 dB. It should

be left to its default value of 0 dB. Use this setting

when instructed by a serviceman.

Transmission Rate Sets the modem’s transmission rate.

Choice: 33.6Kbps, 28.8Kbps, 14.4Kbps, 9.6Kbps,

4.8Kbps. The default setting is 33.6Kbps.

If the fax is having communication errors, use this

setting to select slower rates to determine if the

communication error is caused by the phone line.


5-21

Monitor Control Sets to turn on or off the speaker of modem.

Choice: Disable, Type 1, Type 2. The default setting is

Disable.

Disable means turning off the speaker during dialing

through the initial connection and then shuts off.

Type 1 means to turn on the speaker for 10 seconds

during dialing through initial connection.

Type 2 means to turn on the speaker and remains on

for all fax communications.

Pulse Dial Rate Sets the rate of pulse dialing mode.

Choice: 10pps, 20pps. The default setting is 10pps.

Pulse Make Ratio Choice: 33%, 40%. The default setting is 33%.

Tone Duration Choice: 75, 85, 100 mseconds. The default setting is

75 mseconds.

Calling Timer The waiting time the MFP sends its signal to a remote

fax machine. It should be left to its default value of 60

seconds. Or you may enter the number via the soft

keyboard when instructed by a serviceman.

Test Mode Click to perform initial test to check if the transcending

signals are correct. This is recommended to be

performed by the service man.

Item Options

Tone Send Test Choice: 2100Hz, 1850 Hz, 1650 Hz, 1100 Hz. The

default setting is 2100Hz.

DP Send Test Choice: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,*, #. The default

setting is 0.

MF Send Test Choice: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,*, #. The default

setting is 0.

Modem Signal

Send Test

Choice: V.34(33.6 kbps), V.34(28.8 kbps), V.17(14.4

kbps), V.17(12.0 kbps), V.17(9.6 kbps), V.17(7.2 kbps),

V.29(9.6 kbps), V.29(7.2 kbps), V.27(4.8 kbps),

V.27(4.8 kbps), V.27(2.4 kbps), V.21(0.3 kbps) The

default setting is V.34(33.6 kbps).

Off Hook Test Click to perform Off Hook Test.


6-1

6. DISASSEMBLY

6.1 Service Tools 6.2 Lubricants 6.3 Procedure for Disassembly and Reassembly

6.1 Service Tools

The following describes the maintenance tools necessary for the maintenance of this equipment.

No. Name Description

1 Minus screwdriver Idler pulley module screw

2 Philips screwdriver (magnetic) Nominal No.2 M3, M4

3 Oil Shell ―Terrace Oil 46‖

4 Grease Shell ‖Alvania Grease No.2‖

5 Alcohol (Isopropyl 91% >) Cleaning

6 Digital voltmeter With 0.01 V range

7 Oscilloscope 100 MHz or more with external sweep

8 Blower Cleaning

Maintenance tools


6-2

6.2 Lubricants

This section describes the items to check and the places to lubricate when maintenance parts are replaced.

6.2.1 MECHANICAL UNIT LUBRICATION

This lubrication method:

1 - A - C - 6M

1. Positions need to be lubricated: The positions need to be lubricated is indicated in numbers.

2. Lubricant type: A: Shell Alvania Grease No. 2 B: Shell Terrace Oil 46

3. Amount of lubricant: C: Coat thinly uniformly

4. Lubrication cycle: 6M: Every six months

The following shows the position to be lubricated.

Lubrication Position

Lubricant Type

Lubricant Amount

Lubrication Cycle

Lubrication Position

1 B C 6M Sliding rod

2 A C 6M Sliding frame

Positions need to be lubricated (show in number)

Lubricant type

Amount of lubricant

Lubrication cycle


6-3

Positions need to be lubricated

1 Sliding Rod

2 Sliding Frame


6-4

6.3 Procedure for Disassembly and Reassembly

6.3.1 Notes on Disassembly

(1) Clean the disassembly and assembly location.

(2) Disconnect the power cable and remove the AC plug from the outlet before disassembly and assembly.

(3) Follow the disassembly and assembly procedures. Never loosen the screws of parts that must not be disassembled.

(4) Store the disassembled parts in a clean place to avoid loss.

(5) After replacement, check the contacts and spare part mounting.

(6) Assemble the parts in reverse order of disassembly procedure.

6.3.2 ADF Removal

As shown in the figure below, insert a flat screw driver into the plastic cover to remove it.

As shown in the figure below, remove the black cable.


6-5

As shown in the figure below, lift the ADF unit.

As shown in the figure below, unplug the cable to remove the ADF unit.


6-6

6.3.3 Main Board & Fax module Removal

As indicated in the figure below, loosen all the screws.

As shown in the figure below, remove the metal cover.



6-7

As shown in the figure below, unplug all the cables.




6-8

As shown in the figure below, remove the main board with the fax module.

As shown in the figure below, disconnect and remove the fax module from the main board.


6-9

6.3.4 Control Panel board Removal

As shown in the figure below, tear off the nameplate of the right side.

As shown in the figure below, tear off the nameplate of the left side.



6-10


As shown in the figure below, insert the flat screw driver and remove the left and right corners a little bit.


6-11

As shown in the figure below, remove the control panel unit.

As shown in the figure below, unplug the cable.



6-12




6-13

As shown in the figure below, unplug the cable to remove the control panel board.

6.3.5 Touch Screen Removal




6-14


As shown in the figure below, remove the touch screen unit.


6-15

6.3.6 Upper Housing Removal


As shown in the figure below, remove the lower case.



6-16


As shown in the figure below, remove the upper housing.


6-17

6.3.7 Motor Belt Removal

As indicated in the figure below, loosen the screw.

As shown in the figure below, remove the belt.


6-18

6.3.8 Optical Chassis Removal


As shown in the figure below, raise the sliding rod.


6-19

As shown in the figure below, unplug the cables.

As shown in the figure below, remove the optical chassis.


6-20

6.3.9 Inverter Removal



As shown in the figure below, remove the plastic cover.


6-21

As shown in the figure below, cut off the binder.

As indicated in the figure below, loosen the screw to remove the inverter.

Inverter


6-22

6.3.10 Lamp Assembly Removal


As shown in the figure below, tear off the plastic plate.

As shown in the figure below, remove the lamp assembly.


6-23

6.3.11 Motor Unit Removal (Flatbed)


As shown in the figure below, remove the motor.


6-24

6.3.12 ADF Pad Removal

As shown in the figure below, pull the ADF Release Button to open the ADF front cover.

As shown in the figure below, press the holder inwardly to remove the ADF pad from the slot.


6-25

6.3.13 ADF Roller Removal

As shown in the figure below, move the green clamp downward to detach the ADF roller.

ADF roller


6-26

6.3.14 ADF Input Tray & Left Cover Removal

As shown in the figure below, pull out both sides of the ADF input tray from the ADF.




6-27


As shown in the figure below, pull out the left cover from the ADF.



6-28

As shown in the figure below, remove the ADF input tray and the left cover from the ADF.

6.3.15 ADF Motor Assembly Removal


As indicated in the figure below, loosen the screws.


6-29


As shown in the figure below, remove the ADF motor assembly.

ADF motor assembly


6-30

6.3.16 ADF Motor Removal


As shown in the figure below, remove the ADF motor.


6-31

6.3.17 Sensor board Removal



As indicated in the figure below, remove the paper-out sensor board.


6-32


As shown in the figure below, insert a flat screw driver and release the upper cover.


6-33

As shown in the figure below, remove the upper cover.

As indicated in the figure below, loosen the screws for all the sensors.


6-34

As shown in the figure below, unplug the cable to remove all sensor boards from the Deskew sensor.

all sensor boards connected with cables

Deskew sensor


6-35

6.3.18 Hinge Removal

As shown in the figure below, loosen all screws to remove the two hinges respectively.


7-1

7. PARTS

7.1 Spare Parts List

SUBJECT/PROJECT:

DM3920

SERVICE PARTS TABLE

Item AVISION P/N DESCRIPTION REV. MOQ (SET)

PCS / 1 SET

ADF MODULE

1 002-5526A-0-SP S-PARTS:ASS'Y,ADF MODULE,DM3920,RoHS

100 1 1

1-1 051-5619A-0-SP S-PARTS:COVER,FRONT,DM3920,RoHS

100 1 1

1-2 003-6881-0-SP S-PARTS:ASS'Y,FRONT CASE,W/O PICK UP,DM3920,RoHS 100 1 1

1-2-1 104-0783A-19-SP S-PARTS:SENSOR CABLE,9P,L=400mm,DM3920,RoHS

100 1 1

1-2-2 008-0159C-09-SP S-PARTS:ASS'Y,SENSOR,3Px4, L=155/205/160/185,DM3920,RoHS 100 1 1

1-2-3 004-1558B-9-SP S-PARTS:PCBA,SBA102,Deskew sensor,DM3920,RoHS

100 1 1

1-3 002-4639B-0-SP S-PARTS:ASS'Y,PICK UP,DM3920,RoHS

100 1 1

1-4 003-6882-0-SP

S-PARTS:ASS'Y,PAD,W/HOLDER PAD,HOLDER CORK,SPRING,DM3920,RoHS 100 1 1

1-5 002-5543A-0-SP S-PARTS:ASS'Y,UPPER CASE,DM3920,RoHS

100 1 5

1-5-1 066-0797A-0-SP S-PARTS:SHEET,3 PASS,231.5x31.7,DM3920,RoHS

100 1 10

1-6 002-5545A-0-SP S-PARTS:ASS'Y,SCAN CASE,DM3920,RoHS

100 1 1

1-6-1 008-0105B-09-SP S-PARTS:ASS'Y,CLUTCH,DM3920,RoHS

100 1 1

1-6-2 008-0165A-09-SP S-PARTS:ASS'Y,SENSOR,3P,L=210mm, DM3920,RoHS

100 1 1

1-6-3 054-1798B-0-SP S-PARTS:PLATE,DISCHARGE BRUSH,DM3920,RoHS

100 1 10

1-7 051-5618A-0-SP S-PARTS:COVER,UPPER MOTOR SIDE,DM3920,RoHS

100 1 1

1-8 002-4617B-0-SP S-PARTS:ASS'Y,ADF MOTOR,DM3920,RoHS

100 1 1


7-2

1-8-1 003-6634-0-SP S-PARTS:MOTOR W/MOUNT,STEPPING,DM3920,RoHS

100 1 1

1-9 051-5591A-0-SP S-PARTS:COVER,UPPER FRONT SIDE,DM3920,RoHS

100 1 1

1-10 002-5541A-0-SP S-PARTS:ASS'Y,INPUT TRAY,DM3920,RoHS

100 1 1

1-11 003-6883-0-SP S-PARTS:ASS'Y,ADF DOCUMENT COVER,W/O IFA53,28P CABLE,DM3920,RoHS 100 1 1

1-11-1

002-5549A-0-SP S-PARTS:ASS'Y,HINGE,L,DM3920,RoHS

100 1 1

1-11-2

002-5550A-0-SP S-PARTS:ASS'Y,HINGE,R,DM3920,RoHS

100 1 1

1-12 004-1649A-9-SP S-PARTS:PCBA,IFA53,DM3920,RoHS

100 1 1

1-13 104-1015A-09-SP S-PARTS:ADF CABLE(TO ADF),28P,L=220mm,DM3920,RoHS 100 1 1

FLATBED SCANNER

2 002-5551A-0-SP S-PARTS:ASS'Y,UPPER HOUSING,DM3920,RoHS

100 1 1

2-1 051-5598A-0-SP S-PARTS:FIXER,CHASSIS,DM3920,RoHS

100 1 10

3 002-4636B-0-SP S-PARTS:ASS'Y,OPTICAL UNIT,DM3920,RoHS

100 1 1

3-1 002-4636B-0-SP S-PARTS:ASS'Y,OPTICAL UNIT,DM3920,RoHS

100 1 1

3-2 005-0044D-09-SP S-PARTS:INVERTER,DM3920,RoHS

100 1 1

3-3 065-0115A-09-SP S-PARTS:MOTOR,STEPPING,DM3920,RoHS

100 1 1

4 003-6884-0-SP

S-PARTS:ASS'Y,BOTTOM HOUSING,W/O BELT A'SSY,DM3920,RoHS 100 1 1

4-1 104-5054C-09-SP S-PARTS:FFC CABLE,18P,530mm,DM3920,RoHS

100 1 1

4-2 104-5077A-09-SP S-PARTS:FFC CABLE,24P,L=530mm,DM3920,RoHS

100 1 1

5 002-4410B-0-SP S-PARTS:ASS'Y,BELT,DM3920,RoHS

100 1 5

6 003-6885-0-SP S-PARTS:ASS'Y,UI PANEL,W/NAMEPLATE,DM3920,RoHS 100 1 1

6-1 003-6886-0-SP

S-PARTS:PCBA,UIA78,W/NAMEPLATE,DM3920, RoHS

100 1 1

6-2 003-6887-0-SP S-PARTS:LCD MODULE(TFT),7" COLOR,W/NAMEPLATE,DM3920,RoHS 100 1 1


7-3

7 003-6888-0-SP S-PARTS:COVER,UI BOTTOM,W/NAMEPLATE,DM3920,RoHS 100 1 1

7-1 084-1205A-0-SP S-PARTS:NAMEPLATE,L,8B35,90x40.4mm, DM3920,RoHS 100 1 10

7-2 084-1204A-0-SP S-PARTS:NAMEPLATE,R,8B35,89x177.8mm, DM3920,RoHS 100 1 10

7-3 051-5624A-0-SP S-PARTS:COVER,UI BOTTOM,DM3920,RoHS

100 1 1

8-1 004-1381B-9-SP S-PARTS:FAX MODULE,EU,MBA377,DM3920,RoHS

100 1 1

8-2 004-1382B-9-SP S-PARTS:FAX MODULE,US&JAP,MBA378,DM3920,RoHS

100 1 1

9-1 003-6889-0-SP S-PARTS:PCBA,MBA433,W/FW(EU),DM3920, RoHS

100 1 1

9-2 003-6890-0-SP S-PARTS:PCBA,MBA433,W/FW(US),DM3920, RoHS

100 1 1

10 104-0963A-09-SP S-PARTS:ADF CABLE(TOM/B),28P,L=200mm,DM3920,RoHS 100 1 1

11 104-0936B-09-SP S-PARTS:PANEL KEYBOARD CABLE,12P,L=350mm,DM3920,RoHS 100 1 1

12 104-0944A-09-SP S-PARTS:PANEL LCD CABLE,20P/22P,L=480mm,DM3920,RoHS 100 1 1

13 008-0144F-09-SP S-PARTS:ASS'Y,POWER S/W,L=55mm,DM3920,RoHS

100 1 1

ACCESSORY

A 005-3048A-09-SP S-PARTS:ADAPTER,3P,100-240Vac,24Vdc,3.2A,DM3920,RoHS 100 1 1

B-1 104-8006F-09-SP S-PARTS:AC POWER CORD,EUR.(CEE),2P,L=1800mm,DM3920,RoHS 100 1 1



C 104-0202B-19-SP S-PARTS:PHONE CABLE,6P2C,L=1800mm,DM3920,RoHS 100 1 1

D 104-6012C-19-SP S-PARTS:USB CABLE,4P,L=1850mm,DM3920,RoHS

100 1 1

E 072-0673-0 FOAM, EPE,L:533x294x170,DM3920,RoHS

200 1 1

F 072-0674-0 FOAM, EPE,R:533x294x170,DM3920,RoHS

200 1 1

G 073-1810-0 CARTON:590x555x330mm,AB/F,XEROX DM3920,RoHS

100 1 1


7-4


7-5


8-1

8. SERVICE MODE

Service mode of DM3920

Press '0', when power on：Display information ( The information has : Product Model Name, Panel

version, FAX board)

Press '1', when power on：Loader

Press '2', when power on：Fax service mode (for fax testing)

Press '3', when power on：Panel test (button , touch panel, LCD, LED test) (For Production line test)

Press '4', when power on：Clear fax flash

Press '5', when power on：Flatbed run in test (For Production line test)

Press '6', when power on：Calibrate (Touch panel) (For Production line test)

Press '7', when power on：Simplex run in test (For Production line test)

Press '8', when power on：unused

Press '9', when power on：Skip DHCP

Press '*', when power on：Clear Admin IP/PW ( PW=Password)

Press '#', when power on：Duplex run in test (For Production line test)

Document

Glass

Documents

DM3920 ServiceManual