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Service Manual

4-1

THEORY OF OPERATION

Introduction
Main Control Unit

4.1

Introduction

Figure 4.1 Theory of formation of image.

Main

Board

Cold Cathode

Lens

CCD

Analogue

Signal

Digital

Signal

Fluorescent Lamp

Image

Processor

CPU

Reflected

Rays

TouchScreen

CPU

ASIC

Ethernet

SMTP

/Filing

Server

Printer

PC Scan

Ethernet

USB

Host

USB flash

drive

CF card

RJ-45

USB Device

Email

Filing

NetworkPrint

Содержание @V6600

Страница 1: ...Network Scanner Service Manual P N 253 0115 E Avision Inc...

Страница 2: ...TO V6600 READY 5 2 5 1 2 E MAIL OPERATION 5 3 5 1 3 FILING OPERATION 5 4 5 1 4 SCAN TO USB FLASH DRIVE OR PUBLIC FOLDER 5 5 5 2 TABLES 5 6 5 2 1 LCD does not display 5 7 5 2 2 SCANNING IS NOT PERFORM...

Страница 3: ...emoving ADF Motor 6 22 6 2 12 Removing the Hinge 6 24 6 2 13 Removing the Metal Cover 6 26 6 2 14 Removing the Main Board 6 28 6 2 15 Removing the CF Card Board 6 30 6 2 16 Removing the Name Plate 6 3...

Страница 4: ......

Страница 5: ...supply cord of the scanner is disconnected from the power outlet Under any circumstance do not remove or install the connectors on the scanner with the power supply turned ON 2 Use caution not to dro...

Страница 6: ......

Страница 7: ...24V DC 3 2A CPU 400 MHz Toshiba x4939 MIPS64 Scanner ASIC Image Processor 124 MHz visionMax 800 2 DSP Co Processor 500 MHz SPI SP 16 Memory Size 896 Mbytes DRAM in total System 128MB Scanner Image Bu...

Страница 8: ...life 50 000 scans or 5 years More than 10 000 hours Acoustic Noise 46 dB MTBF 5 000 hours Type U shape Dual Head Duplex Capacity 50 sheets Document Size 4 5 x 5 5 8 5 x 14 Paper Feed Face Up Paper We...

Страница 9: ...SNTP LDAP LDAP SSL SLP SMTP HTTP HTTPS MIME FTP FTPS CIFS SMB HTTP Server Port9100 Connection Configuration 1 Enable DHCP or 2 assign physical IP address IP address IP subnet mask IP Gateway Device U...

Страница 10: ......

Страница 11: ...ir Do not install in a humid or dusty place Use care not to scratch the glass surface of the scanner or the document holding pad with a clip or staple Do not use the wall socket with connecting device...

Страница 12: ......

Страница 13: ...eory of formation of image Main Board 1 0 0 1 0 Cold Cathode Lens CCD Analogue Signal Digital Signal Fluorescent Lamp Image Processor CPU Reflected Rays TouchScreen CPU ASIC Ethernet SMTP Filing Serve...

Страница 14: ...signals The digital signals flow to the image processor and store into the CPU Central Processing Unit Through the commands from the Panel the digital signals may goes to 4939 Controller to RJ 45 to t...

Страница 15: ...e Sensor The home position is detected when the carrier passes between the LED and the photo transistor 4 2 3 SUB POWER SUPPLY CIRCUIT The sub power supply circuit is provided for the internal analog...

Страница 16: ...e of power supply Please see the following table for details Type Characteristic Wall mount Input voltage range 100 240V Input current max 1 0 1 7A Input frequency 50 60Hz Output voltage 24Vdc Max loa...

Страница 17: ...evant 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 being operated imprope...

Страница 18: ...5 2 5 1 Troubleshooting Flowchart 5 1 1 POWER ON TO V6600 READY Power on Screen shows Warming up Message No Yes See Table 5 1 or Table 5 7 Screen shows Default working mode Yes...

Страница 19: ...Press the Mono Color button Connect SMTP server and start scanning Send the scanned image Transferring completed END No No See Table 5 8 Or 5 2 10 Info Message During Networking 5 2 11 Info Message Du...

Страница 20: ...uring Filing Yes Yes See Table 5 3 See Table 5 8 Or 5 2 10 Info Message During Networking 5 2 12 Info Message During Filing Yes Filing Online Troubleshooting Press the Mono Color button Send the scann...

Страница 21: ...IVE OR PUBLIC FOLDER Scan to USB flash drive or Public folder Online Troubleshooting Press the Mono Color button Yes Start scanning Save the scanned image END No See Table 5 2 13 INFORMATION MESSAGES...

Страница 22: ...roubleshooting information Table 5 1 The LCD does not display Table 5 2 Scanning Is not Performed Table 5 3 Image not clear Table 5 4 Noise generated Table 5 5 LCD does not show message after command...

Страница 23: ...e 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 m...

Страница 24: ...the toner Printer memory not enough Printer Visual check Add printer memory Table 5 3 5 2 4 NOISE GENERATED Cause Relevant Unit Check Method Maintenance Method Motor unit failure Motor unit Replace t...

Страница 25: ...Replace the panel PCB 1 Check the panel cable and secure it firmly 2 Replace the panel PCB Table 5 5 5 2 6 THE PRODUCT IS NOT CONNECTED TO THE NETWORK Cause Maintenance Method RJ 45 connector is not...

Страница 26: ...l Chassis 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 malf...

Страница 27: ...network settings Network is down Please check network settings Network is unreachable Please check network settings Connection aborted by the server Please check network settings Connection reset by t...

Страница 28: ...on 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...

Страница 29: ...curity 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 furthe...

Страница 30: ...vilege 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 FT...

Страница 31: ...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 M...

Страница 32: ...ficient storage space in Flash Storage space in USB flash drive is not enough to save scanned image file s Please remove unused files and try again Insufficient storage space in Public Folder Storage...

Страница 33: ...enance 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...

Страница 34: ...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 pa...

Страница 35: ...Service Manual 6 3 6 2 2 Removing the ADF pad 1 Pull the ADF Release button and open the ADF front cover to the left ADF Pad ADF Front Cover...

Страница 36: ...6 4 2 Press both sides of the ADF pad inwardly with your fingers to pull out the ADF pad from the slot ADF Pad...

Страница 37: ...Service Manual 6 5 6 2 3 Removing the ADF Roller Move the tab of the ADF roller down and detach the ADF roller from the slot ADF Roller...

Страница 38: ...6 6 6 2 4 Removing the Output Tray Press two buttons of the output tray and then push the pin of the output tray from the scanner to remove the output tray Button of the output tray Pin...

Страница 39: ...Service Manual 6 7 Output Tray...

Страница 40: ...6 8 6 2 5 Removing the ADF Front Cover 1 Remove the 2 fixing screws on the upper case assembly 2 Remove the ADF front cover as shown ADF Front Cover...

Страница 41: ...Service Manual 6 9 ADF Front Cover...

Страница 42: ...6 10 6 2 6 Removing the 2 Sensor Units on the front case 1 Remove the ADF Front Cover as described in the preceding section 6 2 5 2 Remove the 4 fixing screws on the upper base assembly...

Страница 43: ...Service Manual 6 11 3 Pry the front case open with a flat screwdriver 4 Open the front case...

Страница 44: ...6 12 5 Unplug the 2 pieces of the sensor cables from the front case 6 Remove the first sensor unit from the slot of the front case...

Страница 45: ...Service Manual 6 13 7 Remove the 1 fixing screw on the front case and remove the second sensor unit from the slot Sensor Unit Sensor Unit...

Страница 46: ...Sensor Board 1 Remove the ADF Front Cover as described in the preceding section 6 2 5 2 Remove the 2 Sensor Units on the front case as described in the preceding section 6 2 6 3 Remove the 2 fixing sc...

Страница 47: ...Service Manual 6 15 4 Unplug the 3 pieces of the cables from the sensor board to remove the sensor board Sensor Board...

Страница 48: ...scribed in the preceding section 6 2 5 2 Remove the 2 Sensor Units on the front case as described in the preceding section 6 2 6 3 Remove the 2 fixing screws on the sensor board and unplug the 4 piece...

Страница 49: ...receding section 6 2 5 2 Remove the 2 Sensor Units on the front case as described in the preceding section 6 2 6 3 Remove the Sensor Board as described in the preceding section 6 2 7 4 Remove the ADF...

Страница 50: ...6 18 6 Unplug the cable from the ADF chassis 7 Remove the 1 fixing screw on the ADF chassis...

Страница 51: ...Service Manual 6 19 8 Remove the ADF chassis from the ADF document cover ADF Chassis...

Страница 52: ...cribed in the preceding section 6 2 6 3 Remove the Sensor Board as described in the preceding section 6 2 7 4 Remove the ADF Board as described in the preceding section 6 2 8 5 Remove the ADF Chassis...

Страница 53: ...Service Manual 6 21 ADF Chassis...

Страница 54: ...6 22 6 2 11 Removing ADF Motor 1 Remove the ADF Front Cover as described in the preceding section 6 2 5 2 Remove the 2 fixing screws on the ADF motor...

Страница 55: ...Service Manual 6 23 3 Remove the ADF motor from the hole on the ADF document cover ADF Motor...

Страница 56: ...6 2 12 Removing the Hinge 1 Turn on the 2 ADF cable screws and then unplug the ADF cable 2 Lift the document cover to remove the hinges from the hinge holes ADF Cable Screw ADF Cable Hinge Document C...

Страница 57: ...Service Manual 6 25 3 Remove the 8 fixing screws on the document cover to remove the hinges Hinge...

Страница 58: ...ng the Metal Cover 1 Remove the Hinge as described in the preceding section 6 2 12 2 Turn over the scanner and remove 10 fixing screws on the metal cover of the bottom housing 3 Remove the metal cover...

Страница 59: ...Service Manual 6 27 Metal Cover...

Страница 60: ...1 Remove the Hinge as described in the preceding section 6 2 12 2 Remove the Metal Cover as described in the preceding section 6 2 13 3 Remove the 7 fixing screws on the back of the scanner 4 Remove t...

Страница 61: ...Service Manual 6 29 5 Unplug the 2 cables on the back of the main board to remove the main board Main Board...

Страница 62: ...in the preceding section 6 2 12 2 Remove the Metal Cover as described in the preceding section 6 2 13 3 Remove the Main Board as described in the preceding section 6 2 14 4 Remove the 2 fixing screws...

Страница 63: ...m the bottom housing Removing the Name Plate 1 Remove the Hinge as described in the preceding section 6 2 12 2 Tear off the nameplate located on the right side of the panel 3 Tear off the nameplate lo...

Страница 64: ...6 32 Name Plate...

Страница 65: ...Board 1 Remove the Hinge as described in the preceding section 6 2 12 2 Remove the Name Plate as described in the preceding section 6 2 16 3 Remove the 4 fixing screws on the bottom of the Panel 4 Re...

Страница 66: ...6 34 5 Pry the bottom of the Panel open with a flat screw driver 6 Unplug the cable on the panel main board...

Страница 67: ...Service Manual 6 35 7 Remove the 6 fixing screws on the panel main board Name Plate...

Страница 68: ...the preceding section 6 2 12 2 Remove the Name Plate as described in the preceding section 6 2 16 3 Remove the Panel Main Board as described in the preceding section 6 2 17 4 Remove the 4 fixing scre...

Страница 69: ...Service Manual 6 37 6 Remove the panel screen from the panel Panel Screen...

Страница 70: ...2 Remove the Name Plate as described in the preceding section 6 2 16 3 Remove the Panel Main Board as described in the preceding section 6 2 17 4 Remove the Panel Screen as described in the preceding...

Страница 71: ...Service Manual 6 39 7 Remove the 2 fixing screws on the back cover of the panel Back Cover of the Panel...

Страница 72: ...6 40 6 2 20 Removing the Rubber Cap 1 Remove the Hinge as described in the preceding section 6 2 12 2 Remove the 2 pieces of rubber caps Rubber Cap...

Страница 73: ...g 1 Remove the Hinge as described in the preceding section 6 2 12 2 Remove the Rubber Cap as described in the preceding section 6 2 20 3 Remove the 2 fixing screws on the upper housing 4 Remove the 2...

Страница 74: ...6 42 5 Lift and remove the upper housing Upper Housing...

Страница 75: ...ding section 6 2 12 2 Remove the Rubber Cap as described in the preceding section 6 2 20 3 Remove the Upper Housing as described in the preceding section 6 2 21 4 Remove the 2 fixing screws on the met...

Страница 76: ...g section 6 2 12 2 Remove the Rubber Cap as described in the preceding section 6 2 20 3 Remove the Upper Housing as described in the preceding section 6 2 21 4 Remove the Metal Plate as described in t...

Страница 77: ...er Cap as described in the preceding section 6 2 20 3 Remove the Upper Housing as described in the preceding section 6 2 21 4 Remove the Metal Plate as described in the preceding section 6 2 22 5 Remo...

Страница 78: ...6 2 20 3 Remove the Upper Housing as described in the preceding section 6 2 21 4 Remove the Metal Plate as described in the preceding section 6 2 22 5 Remove the Sliding Rod as described in the preced...

Страница 79: ...d in the preceding section 6 2 21 4 Remove the Metal Plate as described in the preceding section 6 2 22 5 Remove the Sliding Rod as described in the preceding section 6 2 23 6 Remove the Flatbed Chass...

Страница 80: ...6 48...

Страница 81: ...Service Manual 6 49 10 Unplug the cable to remove the motor Motor...

Страница 82: ...d in the preceding section 6 2 21 4 Remove the Metal Plate as described in the preceding section 6 2 22 5 Remove the Sliding Rod as described in the preceding section 6 2 23 6 Remove the Flatbed Chass...

Страница 83: ...Service Manual 6 51...

Страница 84: ...6 52 Inverter...

Страница 85: ...6 2 21 4 Remove the Metal Plate as described in the preceding section 6 2 22 5 Remove the Sliding Rod as described in the preceding section 6 2 23 6 Remove the Flatbed Chassis as described in the pre...

Страница 86: ...6 54 Lamp Assembly...

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