• Code: C6F01
• Description: Scanner sequence trouble 1
  The original transport interval becomes shorter than the predetermined value due to an original transport control error in original reading in DF.
• Remedy: 1 Correct the harness connection between main body and DF if faulty. 2 Replace DFCB. 3 Replace MFPB.

• Code: C8101
• Description: Before reading pressure welding alienation mechanism
  • During a pressure motion being performed, the document reading sensor (PS6) output does not change from H to L. • During a retraction motion being performed, the document reading sensor (PS6) output does not change from L to H.
• Remedy: 1 Check the connector between M4-DFCB J18 for proper connection and correct as necessary. 2 Check the connector of M4 for proper drive coupling, and correct as necessary. 3 Check the connector between PS6-DFCB J10 for proper connection and correct as necessary. 4 PS6 I/O check, sensor check DFCB J10-3 (ON) DF-701 2-G. 5 M4 operation check DFCB J18-4 to 5 DF-701 1-G. 6 Replace M4. 7 FSCB F8 conduction check. 8 Replace DFCB.

• Code: C8107
• Description: Glass cleaning mechanism trouble
  The document reading glass cleaning sensor (PS13) is not turned ON after the set period of time has elapsed after the document reading glass cleaning motor (M6) is turned ON.
• Remedy: 1 Check the connector between M6-DFCB J8 for proper connection and correct as necessary. 2 Check the connector of M6 for proper drive coupling, and correct as necessary. 3 Check the connector between PS13-DFCB J15 for proper connection and correct as necessary. 4 PS13 I/O check, sensor check DFCB J15-5 (ON) DF-701 3-G. 5 M6 operation check DFCB J8-1 to 4 DF-701 1-B. 6 Replace M6. 7 Replace DFCB.

• Code: C8302
• Description: Cooling fan trouble
  • The lock signal continues to detect H during a given time while the DF cooling fan motor (FM1) is spinning. • The lock signal continues to detect L during a given time while the cooling fan (FM1) is during halts.
• Remedy: 1 Check the connector between FM1-DFCB J16 for proper connection and correct as necessary. 2 Check the fan for possible overload and correct as necessary. 3 FM1 operation check DFCB J16-3 (ON) DF-701 7-G. 4 Replace FM1. 5 DFCB F6 conduction check. 6 Replace DFCB.

• Code: C9401
• Description: Exposure LED lighting failure
  The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
• Remedy: 1 Check the connection between SCDB PJ3-LU201, and correct if necessary. 2 Check the connector between SCDB PJ1-PRCB CN43 for proper connection and correct as necessary. 3 Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary. 4 Replace the LED exposure unit. 5 Replace CCDB. 6 Replace SCDB. 7 Replace PRCB. 8 Replace MFPB.

• Code: C9402
• Description: Exposure LED lighting abnormally
  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.
• Remedy: 1 Check the connection between SCDB PJ3-LU201, and correct if necessary. 2 Check the connector between SCDB PJ1-PRCB CN43 for proper connection and correct as necessary. 3 Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary. 4 Replace the LED exposure unit. 5 Replace CCDB. 6 Replace SCDB. 7 Replace PRCB. 8 Replace MFPB.

• Code: C9403
• Description: CIS LED lighting failure
  At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value.
• Remedy: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Replace CIS. 4 CISPU F1, F2 conduction check. 5 Replace CISPU. 6 Replace DSIPB. 7 Replace MFPB.

• Code: C9404
• Description: CIS LED lighting abnormally
  After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value.
• Remedy: 1 Correct the harness connection between CIS and DSIPB if faulty. 2 Correct the harness connection between CIS and CISPU if faulty. 3 Replace CIS. 4 CISPU F1, F2 conduction check. 5 Replace CISPU. 6 Replace DSIPB. 7 Replace MFPB.