Brother International MFC 8890DW Service Manual - Page 105
Error code BB
UPC - 012502622673
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Page 105 highlights
■ Error code B9 Scanner Error Scanning light adjustment error is detected. * This error is indicated on the LCD in the maintenance mode. Error code BB Scanner Error White level data error * This error is indicated on the LCD in the maintenance mode. Error code BD Scanner Error Black level data error * This error is indicated on the LCD in the maintenance mode. Step Cause Remedy 1 CCD unit failure Replace the CCD unit. 2 Main PCB failure Replace the main PCB ASSY. 3 White tape malfunction Replace the scanner unit. ■ Error code BF Scan Unable BF Document is too long for duplex scanning. Press Stop key. ADF duplex scanning cannot be implemented due to too long document User Check • Use the document of the specified size. (A4 or Letter) Step 1 2 3 Cause Document front actuator 2 not operating smoothly or catching in some position. Document front sensor 2 failure Main PCB failure Remedy Correct smooth operation and that there is no catching of the document front actuator 2. Replace the document front sensor 2. Replace the main PCB ASSY. 3-33 Confidential