Service Manual
Page 37
... 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 register. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) The scanner communicates with the scanner. Outline The control system consists of the gate array...
... 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 register. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) The scanner communicates with the scanner. Outline The control system consists of the gate array...
Service Manual
Page 62
...driver Corrective action : Uninstall the device driver and reinstall it. 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. Cause 3 : Faulty main PCB Corrective action : Replace the drive unit. 2. CANOSCAN N650U/N656U.../N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 3 Host computer not detecting the scanner Cause 1 : Faulty installation of the flat ...© 2000 CANON INC.
...driver Corrective action : Uninstall the device driver and reinstall it. 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. Cause 3 : Faulty main PCB Corrective action : Replace the drive unit. 2. CANOSCAN N650U/N656U.../N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 3 Host computer not detecting the scanner Cause 1 : Faulty installation of the flat ...© 2000 CANON INC.
Service Manual
Page 64
... Canon Scanner Test 1. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 5 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...
... Canon Scanner Test 1. CANOSCAN N650U/N656U/N1220U REV.0 JUNE 2000 PRINTED IN JAPAN (IMPRIME AU JAPON) 5 - 5 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...
Service Manual
Page 74
...driver for error messages which may occur during Canon Scanner Test are described below. 1) When Canon Scanner Test is started from a CD-ROM or write-protect HDD. Corrective action : Properly detect the scanner by the host computer. Cause 2 : Scanner is not detected by the host computer. 2) Scanner Information is displayed. Corrective action : Properly detect the scanner...: Copy the Canon Scanner Test on a writable HDD to find USB scanner" is not displayed or Scanner Self Test terminates without scan operation. Cause 1 : Carriage lock is locked. CANOSCAN N650U/N656U/N1220U REV.0 ...
...driver for error messages which may occur during Canon Scanner Test are described below. 1) When Canon Scanner Test is started from a CD-ROM or write-protect HDD. Corrective action : Properly detect the scanner by the host computer. Cause 2 : Scanner is not detected by the host computer. 2) Scanner Information is displayed. Corrective action : Properly detect the scanner...: Copy the Canon Scanner Test on a writable HDD to find USB scanner" is not displayed or Scanner Self Test terminates without scan operation. Cause 1 : Carriage lock is locked. CANOSCAN N650U/N656U/N1220U REV.0 ...