Service Manual
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... contains the basic information necessary for servicing the N650U/N656U/ N1220U image scanners. All relevant information in locating and repairing the cause of the following chapters. COPYRIGHT © 2000 CANON INC. Chapter 1: General Descriptions Features, specifications, exterior features, installation, customer's daily maintenance Chapter 2: Operation and Timing Basic..., and in such cases will be provided by the service information bulletins. The service manual consists of malfunctions. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)
... contains the basic information necessary for servicing the N650U/N656U/ N1220U image scanners. All relevant information in locating and repairing the cause of the following chapters. COPYRIGHT © 2000 CANON INC. Chapter 1: General Descriptions Features, specifications, exterior features, installation, customer's daily maintenance Chapter 2: Operation and Timing Basic..., and in such cases will be provided by the service information bulletins. The service manual consists of malfunctions. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)
Service Manual
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INSTALLATION 1-5 A. Installation 1-6 C. BASIC OPERATION 2-1 A. Outline of USB 2-21 V. Contact Image Sensor ....... 2-13 D. Image Processing Functions 2-18 IV. POWER SUPPLY 2-23 CHAPTER 3 :...3-9 A. USB Connector PCB 3-11 B. Preface 1-5 B. OPTICAL SYSTEM 2-11 A. Document Scanning Sequence 2-12 C. Outline 2-17 B. CONTROL SYSTEM 2-20 A. DRIVE SYSTEM 3-5 A. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) Front View 1-4 B. Outline 2-20 B. Covers 3-1 II. Functions 2-1 B. Basic Sequences 2-4 II. Connecting to ...
INSTALLATION 1-5 A. Installation 1-6 C. BASIC OPERATION 2-1 A. Outline of USB 2-21 V. Contact Image Sensor ....... 2-13 D. Image Processing Functions 2-18 IV. POWER SUPPLY 2-23 CHAPTER 3 :...3-9 A. USB Connector PCB 3-11 B. Preface 1-5 B. OPTICAL SYSTEM 2-11 A. Document Scanning Sequence 2-12 C. Outline 2-17 B. CONTROL SYSTEM 2-20 A. DRIVE SYSTEM 3-5 A. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) Front View 1-4 B. Outline 2-20 B. Covers 3-1 II. Functions 2-1 B. Basic Sequences 2-4 II. Connecting to ...
Service Manual
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EXTERIOR FEATURES 1-4 A. Connecting to the Host Computer 1-7 D. FEATURES 1-1 II. Scanning a Document .......... 1-8 V. Front View 1-4 B. CUSTOMER'S DAILY MAINTENANCE 1-9 COPYRIGHT © 2000 CANON INC. INSTALLATION 1-5 A. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) Installation 1-6 C. SPECIFICATIONS 1-2 III. Preface 1-5 B. CHAPTER 1 GENERAL DESCRIPTIONS I. Rear View 1-4 IV.
EXTERIOR FEATURES 1-4 A. Connecting to the Host Computer 1-7 D. FEATURES 1-1 II. Scanning a Document .......... 1-8 V. Front View 1-4 B. CUSTOMER'S DAILY MAINTENANCE 1-9 COPYRIGHT © 2000 CANON INC. INSTALLATION 1-5 A. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) Installation 1-6 C. SPECIFICATIONS 1-2 III. Preface 1-5 B. CHAPTER 1 GENERAL DESCRIPTIONS I. Rear View 1-4 IV.
Service Manual
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...4. COPYRIGHT © 2000 CANON INC. INSTALLATION A. Ambient temperature should be between 5˚C and 35˚C, and humidity between 10% and 90%. Give the scanner at least one hour to adjust to open flame, dust, or direct sunlight. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 ...PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 5 Moving a scanner from a cold place to block direct sunlight. 3. CHAPTER 1 IV. Preface The following installation conditions are required. 1. Avoid locations subject to...
...4. COPYRIGHT © 2000 CANON INC. INSTALLATION A. Ambient temperature should be between 5˚C and 35˚C, and humidity between 10% and 90%. Give the scanner at least one hour to adjust to open flame, dust, or direct sunlight. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 ...PRINTED IN JAPAN (IMPRIME AU JAPON) 1 - 5 Moving a scanner from a cold place to block direct sunlight. 3. CHAPTER 1 IV. Preface The following installation conditions are required. 1. Avoid locations subject to...
Service Manual
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Unlock the scanning unit to its standard position. Figure 1-3 2) Push the carriage lock to the unlock mark position. 1 q Carriage Lock Figure 1-4 3) Return the scanner to use the scanner. 1) Turn the scanner over. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) Unlocking the carriage lock The scanner is shipped with the scanning unit locked by the carriage lock to prevent damage during transport. 1 - 6 COPYRIGHT © 2000 CANON INC. CHAPTER 1 B. Installation 1. Note: Always lock the scanning unit during transport.
Unlock the scanning unit to its standard position. Figure 1-3 2) Push the carriage lock to the unlock mark position. 1 q Carriage Lock Figure 1-4 3) Return the scanner to use the scanner. 1) Turn the scanner over. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) Unlocking the carriage lock The scanner is shipped with the scanning unit locked by the carriage lock to prevent damage during transport. 1 - 6 COPYRIGHT © 2000 CANON INC. CHAPTER 1 B. Installation 1. Note: Always lock the scanning unit during transport.
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Outline of Electrical System Figure 2-2 shows the outline of electrical system. CPU is not equipped in the gate array. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) The converted image data are converted into digital data by the gate array, then output ... Connector PCB J2 Main PCB J1 Buffer RAM Host computer Control program Start button Gate array S1 Home position sensor Q4 Figure 2-2 2 - 2 COPYRIGHT © 2000 CANON INC. The device driver installed in the host computer includes a control program, which functions as CPU. CHAPTER 2 B.
Outline of Electrical System Figure 2-2 shows the outline of electrical system. CPU is not equipped in the gate array. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) The converted image data are converted into digital data by the gate array, then output ... Connector PCB J2 Main PCB J1 Buffer RAM Host computer Control program Start button Gate array S1 Home position sensor Q4 Figure 2-2 2 - 2 COPYRIGHT © 2000 CANON INC. The device driver installed in the host computer includes a control program, which functions as CPU. CHAPTER 2 B.
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...scanner. Outline The control system consists of the gate array, buffer RAM (4Mbit), and ROM (2Mbit). The control program in the gate array. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 IV. CONTROL SYSTEM A. The CPU is used as a work memory for...A0-7 D0-15 Buffer RAM ROM Control signal Figure 2-21 2 - 20 COPYRIGHT © 2000 CANON INC. Buffer RAM is not equipped with the host computer via USB interface in the device driver installed on the host computer controls the scanner operation by setting a comand directly to the gate array ...
...scanner. Outline The control system consists of the gate array, buffer RAM (4Mbit), and ROM (2Mbit). The control program in the gate array. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 IV. CONTROL SYSTEM A. The CPU is used as a work memory for...A0-7 D0-15 Buffer RAM ROM Control signal Figure 2-21 2 - 20 COPYRIGHT © 2000 CANON INC. Buffer RAM is not equipped with the host computer via USB interface in the device driver installed on the host computer controls the scanner operation by setting a comand directly to the gate array ...
Service Manual
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INTRODUCTION A. SPECIFICATIONS) 3. The scanner is not installed near a water faucet, boiler, humidifier, open flame, or in dusty place. 4. Line voltage is not exposed to direct sunlight. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 1 The scanner is within .... 1. COPYRIGHT © 2000 CANON INC. B. Ambient temperature and humidity conform to the operating environment. (Refer to block direct sunlight. 5. If it must be installed by a window, hang a curtain to CHAPTER 1, II. The scanner is installed in a faulty operation. Initial...
INTRODUCTION A. SPECIFICATIONS) 3. The scanner is not installed near a water faucet, boiler, humidifier, open flame, or in dusty place. 4. Line voltage is not exposed to direct sunlight. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 1 The scanner is within .... 1. COPYRIGHT © 2000 CANON INC. B. Ambient temperature and humidity conform to the operating environment. (Refer to block direct sunlight. 5. If it must be installed by a window, hang a curtain to CHAPTER 1, II. The scanner is installed in a faulty operation. Initial...
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...J2 Corrective action : Securely connect the connector J2. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME ...AU JAPON) 5 - 3 CHAPTER 5 B. Scanner not operating Cause 1 : Carriage lock is locked. Cause 4 : Faulty main PCB Corrective action : Replace the drive unit. 3. Cause 2 : Faulty contact image sensor Corrective action : Replace the contact image sensor. COPYRIGHT © 2000 CANON... not detecting the scanner Cause 1 : Faulty installation of the flat cable Corrective action : Securely ...
...J2 Corrective action : Securely connect the connector J2. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME ...AU JAPON) 5 - 3 CHAPTER 5 B. Scanner not operating Cause 1 : Carriage lock is locked. Cause 4 : Faulty main PCB Corrective action : Replace the drive unit. 3. Cause 2 : Faulty contact image sensor Corrective action : Replace the contact image sensor. COPYRIGHT © 2000 CANON... not detecting the scanner Cause 1 : Faulty installation of the flat cable Corrective action : Securely ...
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... with a host computer. CHAPTER 5 IV. 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 or later) 4) Scanner Device Driver Note: Install the scanner device driver before using the Canon Scanner Test.
... with a host computer. CHAPTER 5 IV. 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 or later) 4) Scanner Device Driver Note: Install the scanner device driver before using the Canon Scanner Test.
Service Manual
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When "Read in which the Canon Scanner Test is installed exceeds above file capacity. 5 - 14 COPYRIGHT © 2000 CANON INC. 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 ... that the available disk space on the HDD in memory (no file)" is selected, scanned image is read into the memory, then abandoned after readout. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) When "Save to be scanned. * Image : Select a processing method of "img0.tif" is set...
When "Read in which the Canon Scanner Test is installed exceeds above file capacity. 5 - 14 COPYRIGHT © 2000 CANON INC. 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 ... that the available disk space on the HDD in memory (no file)" is selected, scanned image is read into the memory, then abandoned after readout. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) When "Save to be scanned. * Image : Select a processing method of "img0.tif" is set...
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...Canon Scanner Test on a writable HDD to find USB scanner" is not displayed or Scanner Self Test terminates without scan operation. Cause 2 : Scanner is not detected by the host computer. Cause 2 : Scanner is not detected by the host computer. Cause 5 : Faulty main PCB. Corrective Action : Unlock the carriage lock. CANOSCAN N650U/N656U... is displayed. Error Message Causes and corrective actions for the scanner is locked. Corrective action : Install the device driver. Corrective action : Properly detect the scanner by the host computer. Cause 3 ...
...Canon Scanner Test on a writable HDD to find USB scanner" is not displayed or Scanner Self Test terminates without scan operation. Cause 2 : Scanner is not detected by the host computer. Cause 2 : Scanner is not detected by the host computer. Cause 5 : Faulty main PCB. Corrective Action : Unlock the carriage lock. CANOSCAN N650U/N656U... is displayed. Error Message Causes and corrective actions for the scanner is locked. Corrective action : Install the device driver. Corrective action : Properly detect the scanner by the host computer. Cause 3 ...