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CHAPTER 5

5 - 3

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2000 CANON INC. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)

B. Troubleshooting Malfunctions

1. Host computer not detecting the scanner

Cause 1

: Faulty installation of the device driver

Corrective action : Uninstall the device driver and reinstall it.

Cause 2

: Faulty connection of the USB cable

Corrective action : Securely connect the USB cable to the scanner and host computer.

Cause 3

: Faulty main PCB

Corrective action : Replace the drive unit.

2. Scanner not operating

Cause 1

: Carriage lock is locked.

Corrective action : Unlock the carriage lock.

Cause 2

: Faulty connection of the flat cable

Corrective action : Securely connect the flat cable to the contact image sensor and main

PCB.

Cause 3

: Faulty contact image sensor

Corrective action : Replace the contact image sensor.

Cause 4

: Faulty main PCB

Corrective action : Replace the drive unit.

3. Drive motor not running

Cause 1

: Faulty connection of the connector J2

Corrective action : Securely connect the connector J2.

Cause 2

: Faulty drive motor

Corrective action : Replace the drive unit.

Cause 3

: Faulty main PCB

Corrective action : Replace the drive unit.

4. LED of the contact image sensor not lighting

Cause 1

: Faulty connection of the connector

Corrective action : Securely connect the flat cable.

Cause 2

: Faulty contact image sensor

Corrective action : Replace the contact image sensor.

Содержание CANOSCAN N1220U

Страница 2: ...OSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON COPYRIGHT 2000 CANON INC Printed in Japan Imprimè au Japon Use of this manual should be strictly supervised to avoid disclosure of confidential information ...

Страница 3: ...000001 F91 4691 200 KZJ000001 CanoScan N656U F91 4612 200 AZK000001 F91 4622 200 MZK000001 F91 4632 200 CZK000001 F91 4642 200 DZK000001 F91 4662 200 FZK000001 F91 4672 200 LZK000001 F91 4682 200 JZK000001 F91 4692 200 KZK000001 CanoScan N1220U F91 4712 200 AZL000001 F91 4722 200 MZL000001 F91 4732 200 CZL000001 F91 4742 200 DZL000001 F91 4762 200 FZL000001 F91 4772 200 LZL000001 F91 4782 200 JZL0...

Страница 4: ...apter 4 Maintenance and Servicing Periodical replacement parts consumable parts durability periodical servicing special tools solvents and lubricants Chapter 5 Troubleshooting Introduction troubleshooting location of electrical parts canon scanner test Chapter 6 Parts Catalog Appendix General Circuit Diagram Main PCB Circuit Diagram USB Connector PCB Circuit Diagram The information in this service...

Страница 5: ...ON 2 1 A Functions 2 1 B Outline of Electrical System 2 2 C Main PCB Input and Output 2 3 D Basic Sequences 2 4 II OPTICAL SYSTEM 2 11 A Outline 2 11 B Document Scanning Sequence 2 12 C Contact Image Sensor 2 13 D Drive Motor Control Circuit 2 16 III IMAGE PROCESSING SYSTEM 2 17 A Outline 2 17 B Image Processing Functions 2 18 IV CONTROL SYSTEM 2 20 A Outline 2 20 B Outline of USB 2 21 V POWER SUP...

Страница 6: ...NCE AND SERVICING I PERIODICAL REPLACEMENT PARTS 4 1 II CONSUMABLE PARTS DURABILITY 4 1 III PERIODICAL SERVICING 4 1 IV SPECIAL TOOLS 4 1 V SOLVENTS AND LUBRICANTS 4 1 CHAPTER 6 PARTS CATALOG FIGURE U01 ACCESSORY 6 2 FIGURE U10 N650U 6 4 FIGURE U11 N656U 6 6 FIGURE U20 N1220U 6 8 APPENDIX I GENERAL CIRCUIT DIAGRAM CanoScan N650U 656U A 1 II GENERAL CIRCUIT DIAGRAM CanoScan N1220U A 2 III MAIN PCB ...

Страница 7: ...IME AU JAPON CHAPTER 1 GENERAL DESCRIPTIONS I FEATURES 1 1 II SPECIFICATIONS 1 2 III EXTERIOR FEATURES 1 4 A Front View 1 4 B Rear View 1 4 IV INSTALLATION 1 5 A Preface 1 5 B Installation 1 6 C Connecting to the Host Computer 1 7 D Scanning a Document 1 8 V CUSTOMER S DAILY MAINTENANCE 1 9 ...

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Страница 9: ...sensor with LIDE LED Indirect Exposure technology for the scanning unit and by reading each RGB color by 14 bits and outputting by 8 bits 2 The scanner is a small size of 256 0 W x 372 5 D x 34 0 H mm and a light weight of 1 5 kg by using a downsized scanning unit 3 The scanner can easily be connected to the host computer through a USB interface 4 Double hinge structure Z lid enables the document ...

Страница 10: ...ndirect exposure RGB each Max document size A4 or Letter 216 x 297 mm Image output RGB 8 bits per channel input 14 bits Resolution 600 x 1200 dpi Scan time 112 sec color A4 600 dpi 37 sec grayscale A4 600 dpi 16 sec preview INTERFACE Interface USB 1 1 B plug x 1 OTHERS Operating environment Temperature range 5 to 35 C Humidity range 10 to 90 Air pressure range 613 to 1013 hPa Power consumption 2 5...

Страница 11: ...A4 or Letter 216 x 297 mm Image output RGB 8 bits per channel input 14 bits Resolution 1200 x 2400 dpi Scan time 449 sec color A4 1200 dpi 149 sec grayscale A4 1200 dpi 16 sec preview INTERFACE Interface USB 1 1 B plug x 1 OTHERS Operating environment Temperature range 5 to 35 C Humidity range 10 to 90 Air pressure range 613 to 1013 hPa Power consumption 2 5W during operation Dimensions 256 0 W x ...

Страница 12: ...N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON q USB Port A4 LTR B5 A4 LTR B5 1 2 4 5 3 1 q Document Cover w Document Glass e Alignment Mark r Start Button t Carriage Lock III EXTERIOR FEATURES A Front View Figure 1 1 B Rear View Figure 1 2 ...

Страница 13: ...tions near water faucets boilers humidifiers or refrigerators 2 Avoid locations subject to open flame dust or direct sunlight If it is installed near a window hang a curtain to block direct sunlight 3 The room should be well ventilated 4 Install on a sturdy and level desk etc 5 Moving a scanner from a cold place to a warm place can cause condensation on the metal parts resulting in a faulty operat...

Страница 14: ...carriage lock The scanner is shipped with the scanning unit locked by the carriage lock to prevent damage during transport Unlock the scanning unit to use the scanner 1 Turn the scanner over Figure 1 3 2 Push the carriage lock to the unlock mark position Figure 1 4 3 Return the scanner to its standard position Note Always lock the scanning unit during transport 1 ...

Страница 15: ...cted to the USB port on the host computer using a supplied USB cable Refer to Getting Started for details For connecting disconnecting the host computer s cables refer to the manual supplied with the host computer 1 Connect the flat connector A plug of the USB cable to the USB port on the host computer 2 Connect the square connector B plug of the USB cable to the USB port on the scanner Figure 1 5...

Страница 16: ... Mark A4 LTR B5 A4 LTR B5 1234 1 Figure 1 6 3 Close the document cover caring not to dislodge the document 4 Send the SCAN command from the host computer to scan D Scanning a Document 1 Open the document cover 2 Place a document on the document glass orienting the image face down and aligning its top edge with the alignment mark ...

Страница 17: ...y cause an unclear image or lines on an image Clean the document glass and the document cover using the following procedures 1 Disconnect the USB cable from the scanner 2 Wipe the dirt or dust off the document cover with a soft clean cloth dampened with water and well wrung then thoroughly wipe water off with a dry cloth 3 Wipe the document glass with a dry cloth caring not to leave wiper marks ...

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Страница 19: ...ine of Electrical System 2 2 C Main PCB Input and Output 2 3 D Basic Sequences 2 4 II OPTICAL SYSTEM 2 11 A Outline 2 11 B Document Scanning Sequence 2 12 C Contact Image Sensor 2 13 D Drive Motor Control Circuit 2 16 III IMAGE PROCESSING SYSTEM 2 17 A Outline 2 17 B Image Processing Functions 2 18 IV CONTROL SYSTEM 2 20 A Outline 2 20 B Outline of USB 2 21 V POWER SUPPLY 2 23 ...

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Страница 21: ...D IN JAPAN IMPRIME AU JAPON Control system Drive motor Contact image sensor Image processing system Optical system Host computer I BASIC OPERATION A Functions The scanner functions are divided into the three main blocks of optical system image processing system and control system Figure 2 1 ...

Страница 22: ...fer RAM Drive motor Figure 2 2 B Outline of Electrical System Figure 2 2 shows the outline of electrical system CPU is not equipped in the main PCB The device driver installed in the host computer includes a control program which functions as CPU Image signals read by the contact image sensor are converted into digital data by the A D converter in the gate array The converted image data are image ...

Страница 23: ...1 2 3 4 To host computer Drive motor drive signal CS1 HPSEN GND M1 Drive motor Vob Misc6 GND Vcis Vref TR PHI1 Vled BEN GEN REN GND L when start button was pressed H when scanning unit is in home position Start button Home position sensor Q4 S1 Main PCB J1 1 2 3 4 5 6 7 8 GND 5V GND D D GND 5V 5V J2 1 2 3 4 5 6 7 8 PA PB PB PA J2 1 2 3 4 SCANSW GND USB connector PCB C Main PCB Input and Output ...

Страница 24: ...er ON Tests gate array read write Gate array read write was tested normally NO YES Sets error flag Sets error flag 1 Returns scanning unit Scanning unit returned to the home position Stops scanning unit Sets analog power Checks PCB ID Checks CIS Figure 2 4 1 D Basic Sequences The basic sequences of the scanner are divided into power ON sequence calibration sequence and document scanning sequence 1...

Страница 25: ...YES LED OFF Standby NO YES Moves scanning unit forward by x pulses Scanning unit is off the home position Sets error flag Returns scanning unit by x pulses LED ON Adjusts LED ON period for white mark area detection LED ON period was adjusted normally Sets error flag Sets error flag Detects white mark area White mark area was detected normally ...

Страница 26: ...on detection Border detection between black and white The scanner detects the home position by the home position sensor by using a black mark area and white mark area in the rear of the document glass Firstly the home position sensor defines the home position where the scanning unit reads a black mark area Secondly the border between a white mark area and black mark area is detected The scanning u...

Страница 27: ...quence Figure 2 6 1 Standby Black level was corrected normally NO YES Sets error flag Sets black calibration data to gate array NO YES Sets error flag 2 Corrects black level Data was obtained normally NO YES Sets error flag Obtains 32 lines of data Composes black calibration data Black calibration data was set to gate array normally ...

Страница 28: ... was adjusted normally NO YES Sets error flag Adjusts LED ON period Composes white calibration data 2 Moves scanning unit to white mark area Scanning unit moved to white mark area normally LED ON Obtains 16 lines of data Data was obtained normally NO YES Sets error flag LED OFF Moves scanning unit to the home position Standby Stores white calibration data as a file ...

Страница 29: ...e proper color reading 1 Black calibration data composition Black calibration data is composed by reading and averaging 32 lines of output from the scanning unit with the LED turned OFF 2 White calibration data composition White calibration data is composed by reading 16 lines of each red green and blue of the white mark and averaging the highest 8 lines of output Above procedure is performed at h...

Страница 30: ...nning sequence Figure 2 7 Standby Scan cancellation is required NO YES LED ON Moves scanning unit to the vertical scan start position Starts document scan All document lines were scanned NO YES LED OFF Returns scanning unit Scanning unit returned to the home position YES Stops drive motor Image data was transmitted NO NO YES Standby ...

Страница 31: ...ting the reflected light to the phototransistor array Contact image sensor is adopted for the scanning unit which is a module combined with the LED for light exposing the lens array for light collecting and the phototransistor array for light receiving to read per line The drive motor runs by the drive signal sent from the main PCB and drives the scanning unit via the drive pulley and drive wire F...

Страница 32: ...and proceeds to the next step After the home position is detected until document scan starts To make a gate array setting buffer RAM initialization etc as a preparation for scan After the scanning unit starts moving forward until it reaches the starting position of the scan area specified by the host computer To move the scanning unit with a uniform speed to the vertical scanning position specifie...

Страница 33: ...the end of glass part called the light conductor section When the LED is turned ON the LED light is supplied to the light conductor section which exposes a document That is the LED light indirectly exposes a document through the light conductor section This is called LIDE LED Indirect Exposure The light reflected from the document is collected by the phototransistor array through the rod lens arra...

Страница 34: ... position R G B Scanning direction LED R G B Image signal Phototransistor array Phototransistor array Phototransistor array Phototransistor array Rod lens array Sensor drive circuit Image signal output The contact image sensor for CanoScan N650U N656U places 15 phototransistor arrays of 344 light phototransistors each in line and the contact image sensor for CanoScan N1220U places 15 phototransist...

Страница 35: ...ition the control program turns the SP signal to L three times per line to light the LED in order of red green and blue and reads the image signal corresponding to each red green and blue lights The reading cycle of 1 line is 15 48 msec When scanning a grayscale image only green LED is ON and the image signal is processed Figure 2 13 SP RLED GLED BLED Image signal output R G B 5 16ms 5 16ms 5 16ms...

Страница 36: ...mmand to generate motor clock to the gate array The gate array generates the four phase motor drive pulse signals MA MA MB MB which are sent to the drive motor via the motor driver When the host computer changes the resolution the control program sets to change the frequency of the motor drive pulse signals for the gate array then changes the rotating speed of the drive motor Figure 2 14 MA MB MB ...

Страница 37: ...iagram of the main functions of the image processing system The image processing system converts the signals read by the contact image sensor into digital data performs various image processing and outputs the data to the host computer via USB port Figure 2 15 6 Packing 1 Contact image sensor To host computer 3 Resolution conversion 4 Calibration 2 A D conversion 5 Gamma correction ...

Страница 38: ...14 bits each by A D converter in the gate array in order of red image signal green image signal and blue image signal 3 Resolution conversion 1 Resolution conversion in the horizontal scanning direction Basic resolution of CanoScan N650U N656U is 600 dpi and selective at 600 dpi 300 dpi 150 dpi 75 dpi Basic resolution of CanoScan N1220U is 1200 dpi and selective at 1200 dpi 600 dpi 300 dpi 150 dpi...

Страница 39: ... is compared to the standard density data for the image data correction The calibration converts the image data from 14 bits to 12 bits each color 5 Gamma correction Calibrated red green and blue image data are divided uniformly into 4096 gradations according to the document density The contrast and density of this image data are adjusted by the gamma correction The gate array writes gamma curve s...

Страница 40: ...s not equipped with the scanner The control program in the device driver installed on the host computer controls the scanner operation by setting a comand directly to the gate array register Buffer RAM is used as a work memory for image processing The scanner communicates with the host computer via USB interface in the gate array Figure 2 21 gate array ROM Buffer RAM Host computer Control program ...

Страница 41: ...eatures of USB 1 Connects peripheral devices to a computer 2 Connects up to 127 devices by a tree structure 3 Connects by 12 Mbps of full speed mode or 1 5 Mbps of low speed mode This scanner is conforming to full speed mode 4 Supports hot plug connectable disconnectable with the power ON 5 The scanner power is supplied through USB 2 Connection of USB Devices USB devices are connected to a host co...

Страница 42: ...ints so there are four types of data transfer protocols 1 Isochronous transfer Allocates a data transfer time to a device Highest priority is give but any error is not corrected 2 Interrupt transfer Periodically transfers data within a specified waiting time Second priority is given 3 Control transfer Used to configure the host computer when USB device is attached removed 4 Bulk transfer Lowest pr...

Страница 43: ...wer supply to the analog circuit is ON OFF controlled by the gate array Drive motor contact image sensor and analog circuit are supplied with power as necessary 5 5V step up circuit in the main PCB is used for the analog circuit and for driving the contact image sensor Figure 2 24 5V Main PCB Drive motor Contact image sensor Host comuter USB port Gate array 5 5V step up circuit LED Digital circuit...

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Страница 45: ...000 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 3 MECHANICAL SYSTEM I EXTERNALS 3 1 A Covers 3 1 II DRIVE SYSTEM 3 5 A Drive Unit 3 5 B Drive Wire 3 8 III OPTICAL SYSTEM 3 9 A Contact Image Sensor 3 9 IV ELECTRICAL SYSTEM 3 11 A USB Connector PCB 3 11 B Flat Cable 3 13 ...

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Страница 47: ...V 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON Figure 3 1 q Document Cover w Document Glass Unit e Base Frame A4 LTR B5 A4 LTR B5 1 2 3 I EXTERNALS When cleaning checking or repairing inside the scanner remove the necessary covers using the following procedures A Covers ...

Страница 48: ...REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON q Document Cover w Hinge 1 Removing the document cover 1 Pull the hinge unit of the document cover to the left remove the right hinge unit then warp the document cover to remove Figure 3 2 3 1 2 A4 LTR B5 A4 LTR B5 1 2 ...

Страница 49: ...igure 3 3 Note Do not lift the hook part excessively since it is attached to the document glass with a double sided tape q End Hook w Document Glass Unit A4 LTR B5 A4 LTR B5 2 1 2 Removing the document glass unit 1 Remove the document cover 2 Unhook the hook in the end of the document glass unit then lift the hook part ...

Страница 50: ...A4 B5 LTR 1 2 Figure 3 5 Note Take care not to smear the rear side of the document glass unit especially the spacer sliding surface A4 B5 LTR A4 LTR B5 1 q Document Glass Unit 3 Unhook the hook in the front of the document glass unit then slide the document glass unit backward Figure 3 4 4 Lift the front of the document glass unit then pull forward to remove it ...

Страница 51: ...3 6 Note Do not damage or lose the seal to reuse it q Wire Stopper w Seal 1 2 II DRIVE SYSTEM A Drive Unit 1 Removing the drive unit 1 Remove the document cover 2 Remove the document glass unit 3 Remove the seal from the back of the scanner push the wire stopper backward to remove it from the base frame through the left hole ...

Страница 52: ... 1 q Connector J3 4 Remove two spacers on both ends of the contact image sensor Figure 3 7 5 Lift the drive unit end part then remove the drive wire from the gear 6 Move the drive unit to the center then disconnect the connector J3 Figure 3 8 7 Remove the contact image sensor refer to III A 1 8 Lift the drive unit to remove it ...

Страница 53: ...0U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON 2 Precautions when attaching the drive unit 1 Apply appropriate amount of grease to the positions marked with net in the figure 3 9 Figure 3 9 2 Locate the drive wire referring to II B 2 ...

Страница 54: ...e 1 Remove the document cover 2 Remove the document glass unit 3 Remove the drive unit 4 Remove the wire spring to remove the drive wire Figure 3 10 2 Precautions when attaching the drive wire 1 When the drive wire is twisted untwist it to a natural condition Otherwise a twisted drive wire can affect an image 2 Locate the drive wire as shown in Figure 3 11 Figure 3 11 ...

Страница 55: ...Remove the document cover 2 Remove the document glass unit 3 Remove the seal from the back of the scanner unit push the wire stopper backward to remove it from the base frame through the left hole as shown in Figure 3 6 4 Remove two spacers on both ends of the contact image sensor 5 Lift the drive unit end part then remove the drive wire from the gear 6 Move the drive unit to the center 7 Hold up ...

Страница 56: ...U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON Figure 3 13 Note Do not lose the spring under the contact image sensor q Contact Image Sensor w Sensor Cable e Spring 1 3 2 8 Remove the sensor cable from the ontact image sonsor then remove the contact image sensor ...

Страница 57: ... 3 15 IV ELECTRICAL SYSTEM A USB Connector PCB 1 Removing the USB connector PCB 1 Remove the document cover 2 Remove the document glass unit 3 Insert flat blade screw drivers into both sides of the USB connector PCB to push it forward q Connector J2 1 Figure 3 14 4 Disconnect the connector J2 to remove the USB connector PCB ...

Страница 58: ...OSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON Figure 3 16 q Ground w Sliding Rod 1 2 2 Precautions when attaching the USB connector PCB 1 Make sure to contact the ground of the USB connector PCB with the sliding rod ...

Страница 59: ...ove the document glass unit 3 Remove the seal from the back of the scanner unit push the wire stopper backward to remove it from the base frame through the left hole as shown in Figure 3 6 4 Remove two spacers on both ends of the contact image sensor 5 Lift the drive unit end part then remove the drive wire from the gear 6 Move the drive unit to the center and disconnect the connector J3 7 Remove ...

Страница 60: ...e flat cable 1 Take care not to bend or deform the flat cable 2 Locate the flat cable as follows a The flat cable on the USB connector PCB side is attached with a double sided tape Align the bend in the flat cable with the left end corner of the base frame Figure 3 18 b Straighten the bent end of the flat cable on the driver unit side and pass it through the ferrite core ...

Страница 61: ...HT 2000 CANON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON Figure 3 21 q Connector J3 1 8mm 3 Re bend the flat cable as shown in Figure 3 20 and connect it to the connector J3 Figure 3 20 ...

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Страница 63: ...6U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 4 MAINTENANCE AND SERVICING I PERIODICAL REPLACEMENT PARTS 4 1 II CONSUMABLE PARTS DURABILITY 4 1 III PERIODICAL SERVICING 4 1 IV SPECIAL TOOLS 4 1 V SOLVENTS AND LUBRICANTS 4 1 ...

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Страница 65: ...MENT PARTS None II CONSUMABLE PARTS DURABILITY None III PERIODICAL SERVICING None IV SPECIAL TOOLS None V SOLVENTS AND LUBRICANTS Lubricants used for disassembly and assembly of the scanner Table 4 1 No 1 Grease TKC 0955 To be applied to the sliding part between the scanning unit and sliding rod MOLYKOTE EM 50L Name Tool No Usage Remarks ...

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Страница 67: ... AU JAPON CHAPTER 5 TROUBLESHOOTING I INTRODUCTION 5 1 A Initial Check 5 1 B Others 5 1 II TROUBLESHOOTING 5 2 A Troubleshooting Image Defects 5 2 B Troubleshooting Malfunctions 5 3 III LOCATION OF ELECTRICAL PARTS 5 4 IV CANON SCANNER TEST 5 5 A Outline 5 5 B How To Use Canon Scanner Test 5 5 ...

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Страница 69: ... humidity conform to the operating environment Refer to CHAPTER 1 II SPECIFICATIONS 3 The scanner is not installed near a water faucet boiler humidifier open flame or in dusty place 4 The scanner is not exposed to direct sunlight If it must be installed by a window hang a curtain to block direct sunlight 5 The scanner is installed in a well ventilated place B Others Moving a scanner from a cold pl...

Страница 70: ...3 Faulty main PCB Corrective action Replace the drive unit 2 Uneven image density or lines Cause 1 Dirt on the document cover or document glass Corrective action Clean the document cover or document glass Cause 2 Faulty calibration data Corrective action Perform the calibration Cause 3 External light is entering into the scanner External light entering into the contact image sensor can cause uneve...

Страница 71: ...riage lock Cause 2 Faulty connection of the flat cable Corrective action Securely connect the flat cable to the contact image sensor and main PCB Cause 3 Faulty contact image sensor Corrective action Replace the contact image sensor Cause 4 Faulty main PCB Corrective action Replace the drive unit 3 Drive motor not running Cause 1 Faulty connection of the connector J2 Corrective action Securely con...

Страница 72: ... CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON q USB Connector PCB w Main PCB e Contact Image Sensor r Home Position Sensor t Start Button y Drive Motor Figure 5 1 1 3 6 4 5 2 III LOCATION OF ELECTRICAL PARTS ...

Страница 73: ...lish Japanese is switched according to the language to be used in Windows Macintosh ScantestHMe B How To Use Canon Scanner Test 1 Operating environment Windows platform 1 CanoScan N650U N656U N1220U 2 PC AT Compatibles Pentium or faster is recommended 3 Windows 98 Operating System 4 Scanner Device Driver Macintosh platform 1 CanoScan N650U N656U N1220U 2 Power Macintosh 3 Macintosh OS Version 8 5 ...

Страница 74: ...ormation Windows only Scanner information recognized by Windows 2 Scanner Information Product ID ROM version etc are shown when the scanner is properly communicated with the host computer 3 Scanner Self Test Scanner self test is performed 4 Calibration Scanner calibration is performed 5 Scan Any image is scanned and saved as an image file in the same folder with the Canon Scanner Test ...

Страница 75: ...B Information Windows only Select USB Information from the Function menu to display as shown in Figure 5 2 Figure 5 2 Vendor Description Manufacturer name Canon of the scanner connected Device Description Product name of the scanner connected Port Name Port name of the scanner recognized by Windows Local Name Product name of the scanner connected ...

Страница 76: ...JAPON 2 Scanner Information Select Scanner Information from the Function menu to display as shown in Figure 5 3 Windows or Figure 5 4 Macintosh Figure 5 4 Vendor ID Manufacturer name Canon of the scanner connected Product ID Product name of the scanner connected ROM Version Scanner controller version Figure 5 3 ...

Страница 77: ...ANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON 3 Scanner Self Test Select Scanner Self Test from the Function menu to display a dialog as shown in Figure 5 5 Windows or Figure 5 6 Macintosh Figure 5 5 Figure 5 6 ...

Страница 78: ...NOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON Click OK to perform Scanner Self Test When it has completed normally a dialog as shown in Figure 5 7 Windows or Figure 5 8 Macintosh is displayed Figure 5 7 Figure 5 8 ...

Страница 79: ...NON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON 4 Calibration Select Calibration from the Function menu to display a dialog as shown in Figure 5 9 Windows or 5 10 Macintosh Figure 5 9 Figure 5 10 ...

Страница 80: ...ANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON Click OK to perform Calibration When it has completed normally a dialog as shown in Figure 5 11 Windows or Figure 5 12 Macintosh is displayed Figure 5 11 Figure 5 12 ...

Страница 81: ...T 2000 CANON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON 5 Scan Select Scan from the Function menu to display a dialog as shown in Figure 5 13 Windows or Figure 5 14 Macintosh Figure 5 13 ...

Страница 82: ...y no file is selected scanned image is read into the memory then abandoned after readout When Save to TIFF file is selected the file of img0 tif is set up in the same folder with the Canon Scanner Test File capacity is as follows 75 dpi Approx 1 6 MByte 150 dpi Approx 6 5 MByte 300 dpi Approx 26 2 MByte 600 dpi Approx 104 9 MByte 1200 dpi Approx 15 0 MByte Note Confirm before scanning that the ava...

Страница 83: ...tion Cause 1 Carriage lock is locked Corrective action Unlock the carriage lock Cause 2 Scanner is not detected by the host computer Corrective action Properly detect the scanner by the host computer Cause 3 Faulty flat cable Corrective Action Check the flat cable connector If it is normal replace the flat cable Cause 4 Faulty contact image sensor Corrective Action Replace the contact image sensor...

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Страница 85: ...HT 2000 CANON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON CHAPTER 6 PARTS CATALOG FIGURE U01 ACCESSORY 6 2 FIGURE U10 N650U 6 4 FIGURE U11 N656U 6 6 FIGURE U20 N1220U 6 8 ...

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Страница 89: ...SCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON FIGURE KEY NO DESCRIPTION SERIAL NUMBER REMARKS Q T Y PART NUMBER R A N K U01 01 02 03 104 0138 0SP 002 0827 0SP 003 7204 0SP CABLE USB STAND ASSEMBLY TAPE 1 1 1 ...

Страница 90: ...6 4 COPYRIGHT 2000 CANON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON N650U FIGURE U10 A4 LTR B5 A4 B 5 LTR 1 2 3 5 7 8 9 10 11 12 13 14 16 15 17 18 4 6 ...

Страница 91: ... 051 0508 0SP 060 0121 000 003 5248 0SP 104 0152 000 056 0032 000 104 0151 000 NPN 003 5250 0SP 051 0506 000 077 0632 000 054 0231 000 051 0505 000 004 0393 000 084 5505 0SP NPN 051 0574 000 DOCUMENT COVER ASSEMBLY PLATEN GLASS ASSEMBLY SPACER CONTACT IMAGE SENSOR SENSOR DRIVE ASSEMBLY CABLE FLAT 12P SPRING CABLE FLAT 8P SLIDING ROD WIRE HOOK SCREW PLATE BUTTON BUTTON FUNCTION USB I F PCB ASSEMBLY...

Страница 92: ...6 6 COPYRIGHT 2000 CANON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON N656U FIGURE U11 A4 LTR B5 A4 B5 LTR 1 2 3 5 7 8 9 10 11 12 13 14 16 15 17 18 4 6 ...

Страница 93: ... 051 0508 0SP 060 0121 000 003 5248 0SP 104 0152 000 056 0032 000 104 0151 000 NPN 003 5252 0SP 051 0506 000 077 0632 000 054 0231 000 051 0505 000 004 0393 000 084 5509 0SP NPN 051 0620 000 DOCUMENT COVER ASSEMBLY PLATEN GLASS ASSEMBLY SPACER CONTACT IMAGE SENSOR SENSOR DRIVE ASSEMBLY CABLE FLAT 12P SPRING CABLE FLAT 8P SLIDING ROD WIRE HOOK SCREW PLATE BUTTON BUTTON FUNCTION USB I F PCB ASSEMBLY...

Страница 94: ...6 8 COPYRIGHT 2000 CANON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON N1220U FIGURE U20 A4 LTR B5 A4 B5 LTR 1 2 3 5 7 8 9 10 11 12 13 14 16 15 17 18 4 6 ...

Страница 95: ...051 0508 0SP 060 0122 000 003 5249 0SP 104 0152 000 056 0032 000 104 0151 000 NPN 003 5251 0SP 051 0506 000 077 0632 000 054 0231 0SP 051 0625 000 004 0393 000 084 5506 0SP NPN 051 0617 000 DOCUMENT COVER ASSEMBLY PLATEN GLASS ASSEMBLY SPACER CONTACT IMAGE SENSOR SENSOR DRIVE ASSEMBLY CABLE FLAT 12P SPRING CABLE FLAT 8P SLIDING ROD WIRE HOOK SCREWS PLATE BUTTON BUTTON FUNCTION USB I F PCB ASSEMBLY...

Страница 96: ......

Страница 97: ...GENERAL CIRCUIT DIAGRAM CanoScan N650U 656U A 1 II GENERAL CIRCUIT DIAGRAM CanoScan N1220U A 2 III MAIN PCB CIRCUIT DIAGRAM CanoScan N650U N656U A 3 IV USB CONNECTOR PCB CIRCUIT DIAGRAM CanoScan N650U N656U A 6 V MAIN PCB CIRCUIT DIAGRAM CanoScan N1220U A 7 VI USB CONNECTOR PCB CIRCUIT DIAGRAM CanoScan N1220U A 10 ...

Страница 98: ......

Страница 99: ...HI1 VLED BEN GEN REN GND J3 CS1 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 GND 5V GND D D GND 5V 5V VBUS D D GND J2 J1 J1 Home Position Sensor Start Button M1 4 3 2 1 J2 PA PB PB PA S1 Q4 Main PCB Contact Image Sensor USB Connector PCB Drive Motor I GENERAL CIRCUIT DIAGRAM CanoScan N650U N656U ...

Страница 100: ... CanoScan N1220U VOB MISC6 GND VCIS VREF TR PHI1 VLED BEN GEN REN GND J3 CS1 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 GND 5V GND D D GND 5V 5V VBUS D D GND J2 J1 J1 Home Position Sensor Start Button M1 4 3 2 1 J2 PA PB PB PA S1 Q4 Main PCB Contact Image Sensor USB Connector PCB Drive Motor ...

Страница 101: ...0 91 CP2 CP1 RS PHI2 PHI1 TR2 TR1 CMODE OS R OS G VBANDGAP VREF LO VREF MID LAMP R LAMP G LAMP B VREF HI TEST OS B AGND REN GEN MA MA MB MB BEN 5VD R9 U 2 C27 C28 C29 C31 DGND RA4 1 2 3 4 8 7 6 5 10 11 12 13 A A B B 94 93 95 SENSE A SENSE B SENSE GND 64 63 PSENSE 1 PSENSE 2 65 66 67 70 71 72 MISC I O 1 MISC I O 2 MISC I O 3 MISC I O 4 MISC I O 5 MISC I O 6 84 83 D D 51 50 SCL SDA 90 85 80 54 55 RE...

Страница 102: ... 3 1 4 4 1 R26 VPI Q4 TP5 R42 FB4 TP6 5VD R36 C36 C45 L3 J1 1 2 3 4 5 6 7 8 C34 C50 R13 1 2 4 3 L1 R35 VREG R5 R4 C12 C13 D D VCIS C32 C24 C39 C23 C38 C40 R6 3 2 1 VIN VOUT VSS 2 1 3 5 4 C47 VCC GND CTL VAG Q3 OUT C V55 R7 R2 D 1 C44 R40 D Q7 S G R24 R30 8 7 6 5 1 2 3 4 D C IPK 2 VIN C I S C OUT T C GND U 4 L2 C22 C42 R29 R27 R22 E B CQ9 R34 Q6 B E C E B CQ8 R33 B Q5 E C V A R20 GND VCC 2 3 4 5 MI...

Страница 103: ...UT1 OUT2 GND MB MB MA MA C49 C52 R41 SENA SENB R57 R53 SCANSW BUTTON C82 R78 5VD R89 S1 VAG R92 R23 D 3 R32 B Q19 E C C46 MISC2 R37 14 VEE 13 12 MISC6 R82 C37 J3 C87 C90 VCIS TP2 TP1 VOB R8 R3 Q17A OR TR PHI1 Q17B OR C26 C25 V55 R83 C89 1 2 3 4 5 6 7 8 9 10 11 12 CQ13 CQ14 CQ15 R79 R80 CQ12 CQ10 CQ11 B E B E B E B E B E B E REN GEN BEN R87 R86 R85 VEE VCC VEE VCC VEE VCC VCIS VCIS VCIS 3 2 5 6 10 ...

Страница 104: ...NON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON F G J2 8 7 6 5 4 3 2 1 C3 C1 D2 D1 C2 C4 J1 1 2 4 3 VBUS D D GND D3 D4 3 4 2 1 R1 R2 L1 IV USB CONNECTOR PCB CIRCUIT DIAGRAM CanoScan N650U N656U ...

Страница 105: ...60 91 CP2 CP1 RS PHI2 PHI1 TR2 TR1 CMODE OS R OS G VBANDGAP VREF LO VREF MID LAMP R LAMP G LAMP B VREF HI TEST OS B AGND REN GEN MA MA MB MB BEN 5VD R9 U 2 C27 C28 C29 C31 DGND RA4 1 2 3 4 8 7 6 5 10 11 12 13 A A B B 94 93 95 SENSE A SENSE B SENSE GND 64 63 PSENSE 1 PSENSE 2 65 66 67 70 71 72 MISC I O 1 MISC I O 2 MISC I O 3 MISC I O 4 MISC I O 5 MISC I O 6 84 83 D D 51 50 SCL SDA 90 85 80 54 55 R...

Страница 106: ... 3 1 4 4 1 R26 VPI Q4 TP5 R42 FB4 TP6 5VD R36 C36 C45 L3 J1 1 2 3 4 5 6 7 8 C34 C50 R13 1 2 4 3 L1 R35 VREG R5 R4 C12 C13 D D VCIS C32 C24 C39 C23 C38 C40 R6 3 2 1 VIN VOUT VSS 2 1 3 5 4 C47 VCC GND CTL VAG Q3 OUT C V55 R7 R2 D 1 C44 R40 D Q7 S G R24 R30 8 7 6 5 1 2 3 4 D C IPK 2 VIN C I S C OUT T C GND U 4 L2 C22 C42 R29 R27 R22 E B CQ9 R34 Q6 B E C E B CQ8 R33 B Q5 E C V A R20 GND VCC 2 3 4 5 MI...

Страница 107: ...UT1 OUT2 GND MB MB MA MA C49 C52 R41 SENA SENB R57 R53 SCANSW BUTTON C82 R78 5VD R89 S1 VAG R92 R23 D 3 R32 B Q19 E C C46 MISC2 R37 14 VEE 13 12 MISC6 R82 C37 J3 C87 C90 VCIS TP2 TP1 VOB R8 R3 Q17A OR TR PHI1 Q17B OR C26 C25 V55 R83 C89 1 2 3 4 5 6 7 8 9 10 11 12 CQ13 CQ14 CQ15 R79 R80 CQ12 CQ10 CQ11 B E B E B E B E B E B E REN GEN BEN R87 R86 R85 VEE VCC VEE VCC VEE VCC VCIS VCIS VCIS 3 2 5 6 10 ...

Страница 108: ... CANON INC CANOSCAN N650U N656U N1220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON F G J2 8 7 6 5 4 3 2 1 C3 C1 D2 D1 C2 C4 J1 1 2 4 3 VBUS D D GND D3 D4 3 4 2 1 R1 R2 L1 VI USB CONNECTOR PCB CIRCUIT DIAGRAM CanoScan N1220U ...

Страница 109: ...220U REV 0 JUNE 2000 PRINTED IN JAPAN IMPRIME AU JAPON REVISION 0 JUNE 2000 Prepared by NEW BUSINESS TECHNICAL SUPPORT DEPT NEW BUSINESS QUALITY ASSURANCE DIV QUALITY ENGINEERING CENTER CANON INC 30 2 Shimomaruko 3 Chome Ohta ku Tokyo 146 8501 Japan ...

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