• Code: C5370
• Description: MFP control board 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.
• Causes: MFP control board cooling fan motor (FM17) Slide Interface board (REYB/SL) MFP board (MFPB)
• Remedy: 1 Check the FM17 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM17 operation check MFPB PJ26-3 (LOCK) O-25 4 Change FM17 5 Change REYB/SL 6 Change MFPB

• Code: C5372
• Description: MFP control board CPU temperature failure • Temperature failure of CPU on the MFP board was detected.
• Causes: CPU cooling fan motor MFP board (MFPB)
• Remedy: 1 Reboot the machine. 2 Check the fan connector for proper connection and correct as necessary. 3 Check the fan for possible overload and correct as necessary. 4 Change MFPB

• Code: C6001
• Description: ADF related configuration error 1 • Inconsistency in the configuration is detected with the installed ADF.
• Causes: ADF DF control board (DFCB) MFP board (MFPB)
• Remedy: 1 Correct the harness connection between DSIPB and MFPB if faulty. 2 Change DFCB 3 Change MFPB

• Code: C6002
• Description: ADF related configuration error 2 • The machine detects an ADF other than DF- 618.
• Causes: ADF
• Remedy: 1 Check the type of the installed ADF and replace it if it is a wrong one. 2 Check the cable connection between the machine and the ADF and correct if the connection is faulty.

• Code: C6102
• Description: Drive system home sensor malfunction • 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 travelling distance. • The scanner home sensor detects the scanner when the scanner has moved the maximum travelling distance from the position, at which it blocks the scanner home sensor. Scanner
• Causes: Scanner home sensor (PS201) Scanner motor (M201) Scanner relay board (REYB/SCAN) MFP board (MFPB)
• Remedy: 1 Correct or change the scanner drive (cable, pulley, gear, belt) if it is faulty. 2 Correct the scanner motor set screw if loose. 3 Adjust [Image Position Leading Edge] and [Feed Direction Adjustment]. 4 Check the PS201, M201, REYB/SCAN and MFPB connector for proper connection and correct as necessary. 5 PS201 I/O check, sensor check REYB/SCAN PJ3-5 (ON) V-18 6 M201 operation check REYB/SCAN PJ5-4 to 7 V-19 7 Change REYB/SCAN. 8 Change MFPB.

• Code: C6103
• Description: Slider over running • 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. Scanner
• Causes: Scanner home sensor (PS201) Scanner motor (M201) Scanner relay board (REYB/SCAN) MFP board (MFPB)
• Remedy: 1 Correct or change the scanner drive (cable, pulley, gear, belt) if it is faulty. 2 Correct the scanner motor set screw if loose. 3 Adjust [Image Position Leading Edge] and [Feed Direction Adjustment]. 4 Check the PS201, M201, REYB/SCAN and MFPB connector for proper connection and correct as necessary. 5 PS201 I/O check, sensor check REYB/SCAN PJ3-5 (ON) V-18 6 M201 operation check REYB/SCAN PJ5-4 to 7 V-19 7 Change REYB/SCAN. 8 Change MFPB.

• Code: C6301
• Description: Optical 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. Scanner
• Causes: Optical cooling fan motor (FM201) Scanner relay board (REYB/SCAN) MFP board (MFPB)
• Remedy: 1 Check the FM201 connector for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM201 operation check REYB/SCAN PJ4-3 (LOCK) U-20 4 Change REYB/SCAN 5 Change MFPB

• Code: C6704
• Description: Image input time out • Image data is not input from the scanner to the MFP board (MFPB). Scanner
• Causes: MFP board (MFPB) CCD board (CCDB)
• Remedy: 1 Select [Service Mode] > [State Confirmation] > [Memory/HDD Adj.] > [Memory Bus Check] > [Scanner>Memory], and conduct the memory bus function. . 2 Check the connectors between scanner section and MFPB for proper connection and correct as necessary. 3 Change MFPB . 4 Change CCDB