Description: • C6F01: Scanner sequence trouble 1 • C6F02: Scanner sequence trouble 2 • C6F03: Scanner sequence trouble 3 • C6F04: Scanner sequence trouble 4 • C6F05: Scanner sequence trouble 5 • C6F06: Scanner sequence trouble 6 • C6F07: Scanner sequence trouble 7 • C6F08: Scanner sequence trouble 8 • C6F09: Scanner sequence trouble 9 • C6F0A: Scanner sequence trouble 10 • C6FDC: Scanner sequence trouble DC • C6FDD Scanner sequence trouble DD. The original transport interval becomes shorter than the predetermined value due to an original transport control error in original reading in DF.
Causes: • MFP board (MFPB) • DF control board (DFCB)
Remedy: 1. Correct the harness connection between main body and DF if faulty. 2. Replace DFCB (DF-629/DF-704) 3. Replace MFPB.
Code: C8101
Description: Before reading pressure welding alienation mechanism (When DF-629 or DF-704 is installed).<When DF-629 is installed> • During a pressure motion being performed, the document reading sensor (PS4) output does not change from H to L. • During a retraction motion being performed, the document reading sensor (PS4) output does not change from L to H. <When DF-704 is installed> • 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.
Causes: <When DF-629 is installed> • Reading roll release motor (M5) • Document reading sensor (PS4) • DF control board (DFCB) <When DF-704 is installed> • Reading roller release motor (M4) • Document reading sensor (PS6) • DF control board (DFCB)
Remedy: When DF-629 is installed 1. Check the connector between M5-DFCB J18 for proper connection and correct as necessary. 2. Check the connector of M5 for proper drive coupling and correct as necessary. 3. Check the connector between PS4-DFCB J10 for proper connection and correct as necessary. 4. PS4 I/O check, sensor check • Control signal: DFCB J10-3 (ON) • Location of electrical component: DF-629 2-G 5. M5 operation check • Control signal: DFCB J18-4 to 5 • Location of electrical component: DF-629 2-G 6. Replace M5. 7. Replace DFCB. When DF-704 is installed 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 • Control signal: DFCB J10-3 (ON) • Location of electrical component: DF-704 2-G 5. M4 operation check • Control signal: DFCB J18-4 to 5 • Location of electrical component: DF-704 1-G 6. Replace M4. 7. Replace DFCB.
Code: C8107
Description: Glass cleaning mechanism trouble (When DF-629 or DF-704 is installed). <When DF-629 is installed> The document reading glass cleaning sensor (PS12) is not turned ON after the set period of time has elapsed after the glass cleaning motor (M4) is turned ON. <When DF-704 is installed> 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.
Causes: <When DF-629 is installed> • Glass cleaning motor (M4) • Document reading glass cleaning sensor (PS12) • DF control board (DFCB) <When DF-704 is installed> • Document reading glass cleaning motor (M6) • Document reading glass cleaning sensor (PS13) • DF control board (DFCB)
Remedy: When DF-629 is installed 1. Check the connector between M4-DFCB J8 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 PS12-DFCB J15 for proper connection and correct as necessary. 4. PS12 I/O check, sensor check • Control signal: DFCB J15-5 (ON) • Location of electrical component: DF-629 3-G 5. M4 operation check • Control signal: DFCB J8-1 to 4 • Location of electrical component: DF-629 1 to 2-B 6. Replace M4. 7. Replace DFCB. When DF-704 is installed 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 • Control signal: DFCB J15-5 (ON) • Location of electrical component: DF-704 3-G 5. M6 operation check • Control signal: DFCB J8-1 to 4 • Location of electrical component: DF-704 1-B 6. Replace M6. 7. Replace DFCB.
Code: C8302
Description: Cooling fan trouble (When DF-629 or DF-704 is installed). <When DF-629 is installed> • 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 DF cooling fan motor (FM1) is during halts. <When DF-704 is installed> • 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 DF cooling fan motor (FM1) is during halts.
Causes: <When DF-629 is installed> • DF cooling fan motor (FM1) • DF control board (DFCB) <When DF-704 is installed> • DF cooling fan motor (FM1) • DF control board (DFCB)
Remedy: When DF-629 is installed 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 • Control signal: DFCB J16-3 (ON) • Location of electrical component: DF-629 3-B 4. Replace FM1. 5. Replace DFCB. When DF-704 is installed 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 • Control signal: DFCB J16-3 (ON) • Location of electrical component: DF-704 7-G 4. Replace FM1. 5. Replace DFCB.
Code: C8401
Description: Data flash failure. Data flash does not access normally.
Causes: DF control board (DFCB)
Remedy: 1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch. 2. Check the DFCB connector for proper connection and correct as necessary. 3. Rewrite the firmware. 4. Replace DFCB. (DF-704/DF-629)
Code: C9401, C9402
Description: • C9401: Exposure LED lighting failure • C9402: Exposure LED lighting abnormally. • C9401: The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment. • C9402: 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. Correct the harness connection between SCDB CN3-LU201 if faulty. 2. Check the connector between SCDB CN2-MFPB CN12E for proper connection and correct as necessary. 3. Check the connector between CCDB CN3-MFPB CN1 for proper connection and correct as necessary. 4. Check the status of the harness between CCDB-MFPB and replace as necessary. 5. Replace the LED exposure unit. 6. Replace CCDB. 7. Replace SCDB. 8. Replace MFPB.
Code: C9403, C9404
Description: • C9403: CIS LED lighting failure (When DF-704 is installed) • C9404: CIS LED lighting abnormally (When DF-704 is installed). • C9403: At the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value. • C9404: 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. Check the back side scanning shading shaft for any stain, and clean up it as necessary. 2. Check that the bearing of the back side glass cleaning roller unit is on the standby position. 3. Correct the harness connection between CIS and DSIPB if faulty. 4. Correct the harness connection between CIS J222-CISPU J2 if faulty. 5. Measure the voltage of CISPU J1-1. • Control signal: CISPU J1-1 (DC12V) • Location of electrical component: DF-704 5-B 6. Measure the voltage of CIS J222-1, J222-2 and J222-5. • Control signal: CIS J222-1 (DC5V), CIS J222-2 (DC5V), CIS J222-5 (DC12V) • Location of electrical component: DF-704 4-B 7. For any abnormality in the measurement result, replace the CIS cable. 8. Replace CIS. 9. Replace CISPU. 10. Replace DSIPB. 11. Replace MFPB.
Code: CA051, CA052, CA053
Description: • CA051: Standard controller configuration failure • CA052: Controller hardware error • CA053: Controller start failure. • CA051: The controller of the MFP board (MFPB) is faulty. • CA052: A controller hardware error is detected in the network interface. • CA053: A controller start failure is detected in the controller interface.
Causes: MFP board (MFPB)
Remedy: 1. Check to see if the following setting has been correctly made: [Service Mode] -> [System 2] -> [Image Controller Setting]. If changing the setting, turn OFF the main power switch and turn it ON again after 10 seconds or more. 2. Check the connectors of the MFPB for proper connection and correct as necessary. 3. Replace MFPB.
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