Canon CANOSCAN D660U Service Manual

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Canon CANOSCAN D660U Service Manual Manual pdf 76 page image

CHAPTER 55 - 12 COPYRIGHT © 2000 CANON INC. CANOSCAN D660U REV.0 JULY 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)E. Error MessageCauses and corrective actions for error messages which may occur during Canon ScannerTest are described below.1. When Canon scanner test is started, "Unable to find USB scanner" is displayed.Cause 1 : Device driver for the scanner is not installed in the host computer.Corrective action : Install the device driver.Cause 2 : Scanner is not detected by the host computer.Corrective action : Properly detect the scanner by the host computer.2. Scanner information is not displayed or scanner self test terminates without scanoperation.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 cableCorrective Action : Check the flat cable connector. If it is normal, replace the flat cable.Cause 4 : Faulty CCDCorrective Action : Replace the scanning unit.Cause 5 : Faulty main PCBCorrective Action : Replace the main PCB.3. "Carriage lock is locked" is displayed.Cause 1 : Carriage lock is locked.Corrective Action : Unlock the carriage lock.Cause 2 : Faulty drive motorCorrective Action : Replace the drive motor.Cause 3 : Faulty home position sensorCorrective Action : Replace the scanning unit.4. "Unable to open file" is displayed.Cause : Canon scanner test is started from a CD-ROM or write-protect HDD.Corrective Action : Copy the Canon scanner test on a writable HDD to use.