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16. Malfunction code bizhub C450 Code Field Service Ver. 1.0 Mar. 2005 Item Description Rank • The Scanner Home Sensor is unable to detect the Scanner located at its home position. • The Scanner Home Sensor is unable to detect a Scanner even when the Scanner Motor has been driven to move the Scanner over the maximum traveling distance. • The Scanner Home Sensor detects the Scanner when the Scanner has moved 5 mm from the position, at which it blocks the Scanner Home Sensor. B • The Scanner Home Sensor detects the Scanner at its home position during a period of time that begins with the time when a prescan command and a scan preparation command are executed and ends when a home return command is executed. B C6301 Scanner Cooling Fan Motor’s failure to turn • The Fan Lock signal remains HIGH for a predetermined continuous period of time while the Motor remains stationary. B C6704 Scanner Time Out • Image data is not input from the Image Processing Board (PWB-C) to the MFP Control Board (PWB-MFPC). C C6751 CCD clamp/gain adjustment failure • The adjustment value is 0 or 255 during a CCD clamp adjustment. • The peak value of the output data is 64 or less during a CCD gain adjustment. B C9401 Exposure Lamp’s failure to turn ON • The output from the CCD Sensor is a predetermined value or less during CCD Sensor gain adjustment. A C9402 Exposure Lamp turning ON at abnormal timing • The average output value of the CCD Sensor with the Scanner at its standby position is a predetermined value or more at the end of a scan job. A C6102 Scanner Home Sensor malfunction C6103 Scanner overrun failure Troubleshooting CA051 Standard controller configuration • The controller of the MFP Control Board (PWBfailure MFPC) is faulty. C CA052 Controller hardware error • A controller hardware error is detected in the network I/F. C CA053 Controller start failure • A controller start failure is detected in the controller interface. C CB001 FAX Board Error 1 ☞ See FK-502 Service Manual. C CB002 FAX Board Error 2 C CB003 FAX Board Error 3 C CB051 FAX Board mount failure 1 C CB052 FAX Board mount failure 2 C CB110 FAX Driver Error: Instance Generation Error or Observer Registration Error C CB111 FAX Driver Error: Configuration Space Initialization NG C CB112 FAX Driver Error: Semaphore Acquisition, Release Error C 330
