Description: System data trouble While reading/writing the HDD system area data, the HDD returns an error response or no response at all for longer than 30 seconds.
Causes: No HDD is installed on the MFP control PWB.HDD does not properly function. MFP control PWB abnormality
Remedy: Case 1 Cause No HDD is installed on the MFP control PWB. Check and remedy Check installation status of the HDD on the MFP control PWB. Case 2 Cause HDD does not properly function. Check and remedy • CHECK connection between the HDD and MFP control. • Perform an HDD read/write test using SIM 62-2/3. • Replace HDD. Case 3 Cause MFP control PWB abnormality Check and remedy Replace the MFP control PWB.
Code: E7-02
Description: Laser trouble The BD signal from the LSU is kept OFF or ON. When the polygon motor rotation is started and three successive BDT signals of I/O ASIC are detected after forced lighting of laser.
Causes: The connector to the LSU or the harness in the LSU is disconnected or broken. The polygon motor does not rotate properly. The position of the laser home position sensor in the LSU is shifted. A proper voltage is not supplied to the power line of the laser. Defective lighting of the laser emitting diode PCU PWB abnormality MFP control ASIC PWB abnormality
Remedy: Case 1 Cause The connector to the LSU or the harness in the LSU is disconnected or broken. Check and remedy Check for disconnection of the connector to the LSU. Case 2 Cause The polygon motor does not rotate properly. Check and remedy Check that the polygon motor rotated properly or not. Case 3 Cause The position of the laser home position sensor in the LSU is shifted. Check and remedy Use SIM 61-1 to check the LSU operation. Case 4 Cause A proper voltage is not supplied to the power line of the laser. Check and remedy Replace the LSU unit. Case 5 Cause Defective lighting of the laser emitting diode Check and remedy Check lighting of the laser emitting diode. Case 6 Cause PCU PWB abnormality Check and remedy Replace the MFP control PWB. Case 7 Cause MFP control ASIC PWB abnormality Check and remedy Replace the MFP control PWB.
Code: E7-03
Description: HDD trouble Data abnormality in the HDD file management area (cluster chain corrupted) The HDD sends an error response or does not respond for 30 sec.
Causes: The HDD is not installed properly to the MFP control PWB. The HDD of the MFP control PWB does not operate properly. MFP control ASIC PWB abnormality
Remedy: Case 1 Cause The HDD is not installed properly to the MFP control PWB. Check and remedy Check installation of the HDD to the MFP control PWB. Case 2 Cause The HDD of the MFP control PWB does not operate properly. Check and remedy Check connection of the harness to the HDD of the MFP control PWB. Use SIM 62-2, -3 to check read/write of the HDD. Replace the HDD. Case 3 Cause MFP control ASIC PWB abnormality Check and remedy Replace the MFP control PWB.
Code: E7-06
Description: Decode error trouble A decode error occurs in making an image.
Causes: Garbled data in input from PCI to PM DM trouble Data are garbled in image compression/transfer. MFP control ASIC PWB abnormality
Remedy: Case 1 Cause Garbled data in input from PCI to PM DM trouble Data are garbled in image compression/transfer. Check and remedy Check installation of the PWB. (PCI bus) If the job at occurrence is FAX, check installation of the FAX PWB. For the other cases, check the MFP control PWB. Case 2 Cause MFP control ASIC PWB abnormality Check and remedy Replace the HDD.
Code: E7-10
Description: CCD shading trouble (Black correction) CCD black scan level abnormality when the copy lamp is turned off. When the proper offset setup value is not obtained at turning on the power or CCD shading with SIM 63-2.
Causes: Defective installation of the flat cable to the CCD unit CCD unit abnormality Scanner PWB abnormality
Remedy: Case 1 Cause Defective installation of the flat cable to the CCD unit Check and remedy Check installation of the flat cable to the CCD unit. Case 2 Cause CCD unit abnormality Check and remedy CCD unit check Case 3 Cause Scanner PWB abnormality Check and remedy Scanner PWB check
Code: E7-11
Description: CCD shading trouble (White correction all pixel adjustment) The CCD white reference plate scan level abnormality when lighting the copy lamp When the proper gain setup value is not obtained at turning on the power or CCD shading with SIM 63-2. (Retry number 256 times)
Causes: Mirror, lens, reference white plate dirt Copy lamp lighting abnormality Defective installation of the flat cable to the CCD unit Improper installation of the CCD unit CCD unit abnormality Scanner PWB abnormality
Remedy: Case 1 Cause Mirror, lens, reference white plate dirt Check and remedy Clean the mirror, the lens, and the reference white plate. Case 2 Cause Copy lamp lighting abnormality Check and remedy Check the light quantity and lighting of the copy lamp. (SIM 5-3) Case 3 Cause Defective installation of the flat cable to the CCD unit Improper installation of the CCD unit CCD unit abnormality Check and remedy CCD unit check Case 4 Cause Scanner PWB abnormality Check and remedy Scanner PWB check